ListBox Class

Reference

Definition

Namespace:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Represents a list box control that allows single or multiple item selection.

public ref class ListBox : System::Web::UI::WebControls::ListControl, System::Web::UI::IPostBackDataHandler

[System.Web.UI.ValidationProperty("SelectedItem")]
public class ListBox : System.Web.UI.WebControls.ListControl, System.Web.UI.IPostBackDataHandler

[<System.Web.UI.ValidationProperty("SelectedItem")>]
type ListBox = class
    inherit ListControl
    interface IPostBackDataHandler

Public Class ListBox
Inherits ListControl
Implements IPostBackDataHandler

Inheritance: Object

Control

WebControl

ListControl
ListBox

Inheritance: Object

Control

WebControl

BaseDataBoundControl

DataBoundControl

ListControl
ListBox

Attributes: ValidationPropertyAttribute

Implements: IPostBackDataHandler

Examples

The following example demonstrates how to create a ListBox control.

<%@ Page Language="C#" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>ListBox Example</title>
<script language="C#" runat="server">

      void SubmitBtn_Click(Object sender, EventArgs e) 
      {
         if (ListBox1.SelectedIndex > -1)
            Label1.Text="You chose: " + ListBox1.SelectedItem.Text;
      }

   </script>

</head>
<body>

   <h3>ListBox Example</h3>

   <form id="form1" runat="server">

      <asp:ListBox id="ListBox1" 
           Rows="6"
           Width="100px"
           SelectionMode="Single" 
           runat="server">

         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>

      </asp:ListBox>

      <asp:button id="Button1"
           Text="Submit" 
           OnClick="SubmitBtn_Click" 
           runat="server" />
        
      <asp:Label id="Label1" 
           Font-Names="Verdana" 
           Font-Size="10pt" 
           runat="server"/>
        
   </form>

</body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>ListBox Example</title>
<script language="VB" runat="server">

    Sub SubmitBtn_Click(sender As Object, e As EventArgs)
        If ListBox1.SelectedIndex > - 1 Then
            Label1.Text = "You chose: " & ListBox1.SelectedItem.Text
        End If
    End Sub 'SubmitBtn_Click

  </script>

</head>
<body>

   <h3>ListBox Example</h3>

   <form id="form1" runat="server">

      <asp:ListBox id="ListBox1" 
           Rows="6"
           Width="100px"
           SelectionMode="Single" 
           runat="server">

         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>

      </asp:ListBox>

      <asp:button id="Button1"
           Text="Submit" 
           OnClick="SubmitBtn_Click" 
           runat="server" />
        
      <asp:Label id="Label1" 
           Font-Names="Verdana" 
           Font-Size="10pt" 
           runat="server"/>
        
   </form>

</body>
</html>

The following example shows how to create a ListBox control that supports multiple selections.

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <script language="C#" runat="server">

      void SubmitBtn_Click(Object sender, EventArgs e) 
      {
          string msg = "";
          foreach (ListItem li in ListBox1.Items)
          {
              if (li.Selected == true)
              {
                  msg += "<BR>" + li.Text + " is selected.";
              }
          }
          Label1.Text = msg;
      }

   </script>

</head>
<body>

   <h3>ListBox Example</h3>

   <form id="Form1" runat=server>

      <asp:ListBox id="ListBox1" 
           Rows="6"
           Width="100px"
           SelectionMode="Multiple" 
           runat="server">

         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>

      </asp:ListBox>

      <asp:button id="Button1"
           Text="Submit" 
           OnClick="SubmitBtn_Click" 
           runat="server" />
        
      <asp:Label id="Label1" 
           Font-Name="Verdana" 
           Font-Size="10pt" 
           runat="server"/>
        
   </form>

</body>
</html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <script language="VB" runat="server">

    Sub SubmitBtn_Click(sender As Object, e As EventArgs)
            Dim msg As String
            Dim li As ListItem
            msg = ""
            For Each li In ListBox1.Items
                If li.Selected = True Then
                    msg = msg & "<br>" & li.Text & " selected."
                End If
            Next
            Label1.Text = msg
    End Sub 'SubmitBtn_Click

  </script>

</head>
<body>

   <h3>ListBox Example</h3>

   <form id="Form1" runat=server>

      <asp:ListBox id="ListBox1" 
           Rows="6"
           Width="100px"
           SelectionMode="Multiple" 
           runat="server">

         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>

      </asp:ListBox>

      <asp:button id="Button1"
           Text="Submit" 
           OnClick="SubmitBtn_Click" 
           runat="server" />
        
      <asp:Label id="Label1" 
           Font-Name="Verdana" 
           Font-Size="10pt" 
           runat="server"/>
        
   </form>

</body>
</html>

The following example demonstrates how to create a ListBox control through data binding.

<%@ Page Language="C#" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Data Binding ListBox</title>
<script language="C#" runat="server">

      void Page_Load(Object sender, EventArgs e) 
      {

         if (!IsPostBack) 
         {

            ArrayList values = new ArrayList();

            values.Add ("Item 1");
            values.Add ("Item 2");
            values.Add ("Item 3");
            values.Add ("Item 4");
            values.Add ("Item 5");
            values.Add ("Item 6");

            ListBox1.DataSource = values;
            ListBox1.DataBind();

         }

      }

      void SubmitBtn_Click(Object sender, EventArgs e) 
      {
      
         if ( ListBox1.SelectedIndex > -1 )
            Label1.Text = "You chose: " + ListBox1.SelectedItem.Text;
         
      }

   </script>

</head>
<body>

   <form id="form1" runat="server">

        <h3>Data Binding ListBox</h3>
    
        <asp:ListBox id="ListBox1" 
             Width="100px" 
             runat="server"/>

        <asp:button id="Button1"
             Text="Submit" 
             OnClick="SubmitBtn_Click" 
             runat="server" />
        
        <asp:Label id="Label1" 
             Font-Names="Verdana" 
             font-size="10pt" 
             runat="server"/>

   </form>

</body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Data Binding ListBox</title>
<script language="VB" runat="server">

    Sub Page_Load(sender As Object, e As EventArgs)
        
        If Not IsPostBack Then
            
            Dim values As New ArrayList()
            
            values.Add("Item 1")
            values.Add("Item 2")
            values.Add("Item 3")
            values.Add("Item 4")
            values.Add("Item 5")
            values.Add("Item 6")
            
            ListBox1.DataSource = values
            ListBox1.DataBind()
        End If 
    End Sub 'Page_Load

    Sub SubmitBtn_Click(sender As Object, e As EventArgs)
        
        If ListBox1.SelectedIndex > - 1 Then
            Label1.Text = "You chose: " & ListBox1.SelectedItem.Text
        End If 
    End Sub 'SubmitBtn_Click

  </script>

</head>
<body>

   <form id="form1" runat="server">

        <h3>Data Binding ListBox</h3>
    
        <asp:ListBox id="ListBox1" 
             Width="100px" 
             runat="server"/>

        <asp:button id="Button1"
             Text="Submit" 
             OnClick="SubmitBtn_Click" 
             runat="server" />
        
        <asp:Label id="Label1" 
             Font-Names="Verdana" 
             font-size="10pt" 
             runat="server"/>

   </form>

</body>
</html>

Remarks

In this topic:

Introduction
Accessibility
Declarative Syntax

Introduction

Use the ListBox control to create a list control that allows single or multiple item selection. Use the Rows property to specify the height of the control. To enable multiple item selection, set the SelectionMode property to ListSelectionMode.Multiple.

To specify the items that you want to appear in the ListBox control, place a ListItem element for each entry between the opening and closing tags of the ListBox control.

Use the Items collection to examine the ListItem objects contained in the ListBox control. For example, you can determine the selected item(s) in the ListBox control by enumerating the Items collection and testing the Selected value for each ListItem element.

The ListBox control also supports data binding. To bind the control to a data source, first create a data source, such as one of the DataSourceControl objects, that contains the items to display in the control. Next, use the DataBind method to bind the data source to the ListBox control. Use the DataTextField and DataValueField properties to specify which field in the data source to bind to the Text and Value properties, respectively, of each list item in the control. The ListBox control will now display the information from the data source.

Caution

This control can be used to display user input, which might include malicious client script. Check any information that is sent from a client for executable script, SQL statements, or other code before displaying it in your application. You can use validation controls to verify user input before displaying the input text in a control. ASP.NET provides an input request validation feature to block script and HTML in user input. For more information, see Securing Standard Controls, How to: Protect Against Script Exploits in a Web Application by Applying HTML Encoding to Strings, and Validating User Input in ASP.NET Web Pages.

Accessibility

For information about how to configure this control so that it generates markup that conforms to accessibility standards, see Accessibility in Visual Studio and ASP.NET and ASP.NET Controls and Accessibility.

Declarative Syntax

<asp:ListBox  
    AccessKey="string"  
    AppendDataBoundItems="True|False"  
    AutoPostBack="True|False"  
    BackColor="color name|#dddddd"  
    BorderColor="color name|#dddddd"  
    BorderStyle="NotSet|None|Dotted|Dashed|Solid|Double|Groove|Ridge|  
        Inset|Outset"  
    BorderWidth="size"  
    CausesValidation="True|False"  
    CssClass="string"  
    DataMember="string"  
    DataSource="string"  
    DataSourceID="string"  
    DataTextField="string"  
    DataTextFormatString="string"  
    DataValueField="string"  
    Enabled="True|False"  
    EnableTheming="True|False"  
    EnableViewState="True|False"  
    Font-Bold="True|False"  
    Font-Italic="True|False"  
    Font-Names="string"  
    Font-Overline="True|False"  
    Font-Size="string|Smaller|Larger|XX-Small|X-Small|Small|Medium|  
        Large|X-Large|XX-Large"  
    Font-Strikeout="True|False"  
    Font-Underline="True|False"  
    ForeColor="color name|#dddddd"  
    Height="size"  
    ID="string"  
    OnDataBinding="DataBinding event handler"  
    OnDataBound="DataBound event handler"  
    OnDisposed="Disposed event handler"  
    OnInit="Init event handler"  
    OnLoad="Load event handler"  
    OnPreRender="PreRender event handler"  
    OnSelectedIndexChanged="SelectedIndexChanged event handler"  
    OnTextChanged="TextChanged event handler"  
    OnUnload="Unload event handler"  
    Rows="integer"  
    runat="server"  
    SelectedIndex="integer"  
    SelectedValue="string"  
    SelectionMode="Single|Multiple"  
    SkinID="string"  
    Style="string"  
    TabIndex="integer"  
    ToolTip="string"  
    ValidationGroup="string"  
    Visible="True|False"  
    Width="size"  
>  
            <asp:ListItem  
                Enabled="True|False"  
                Selected="True|False"  
                Text="string"  
                Value="string"  
            />  
</asp:ListBox>

Constructors

ListBox()

Initializes a new instance of the ListBox class.

Properties

AccessKey	Gets or sets the access key that allows you to quickly navigate to the Web server control. (Inherited from WebControl)
Adapter	Gets the browser-specific adapter for the control. (Inherited from Control)
AppendDataBoundItems	Gets or sets a value that indicates whether list items are cleared before data binding. (Inherited from ListControl)
AppRelativeTemplateSourceDirectory	Gets or sets the application-relative virtual directory of the Page or UserControl object that contains this control. (Inherited from Control)
Attributes	Gets the collection of arbitrary attributes (for rendering only) that do not correspond to properties on the control. (Inherited from WebControl)
AutoPostBack	Gets or sets a value indicating whether a postback to the server automatically occurs when the user changes the list selection. (Inherited from ListControl)
BackColor	Gets or sets the background color of the Web server control. (Inherited from WebControl)
BindingContainer	Gets the control that contains this control's data binding. (Inherited from Control)
BorderColor	Gets or sets the border color of the control.
BorderStyle	Gets or sets the border style of the control.
BorderWidth	Gets or sets the border width for the control.
CausesValidation	Gets or sets a value indicating whether validation is performed when a control that is derived from the ListControl class is clicked. (Inherited from ListControl)
ChildControlsCreated	Gets a value that indicates whether the server control's child controls have been created. (Inherited from Control)
ClientID	Gets the control ID for HTML markup that is generated by ASP.NET. (Inherited from Control)
ClientIDMode	Gets or sets the algorithm that is used to generate the value of the ClientID property. (Inherited from Control)
ClientIDSeparator	Gets a character value representing the separator character used in the ClientID property. (Inherited from Control)
Context	Gets the HttpContext object associated with the server control for the current Web request. (Inherited from Control)
Controls	Gets a ControlCollection object that represents the child controls for a specified server control in the UI hierarchy. (Inherited from Control)
ControlStyle	Gets the style of the Web server control. This property is used primarily by control developers. (Inherited from WebControl)
ControlStyleCreated	Gets a value indicating whether a Style object has been created for the ControlStyle property. This property is primarily used by control developers. (Inherited from WebControl)
CssClass	Gets or sets the Cascading Style Sheet (CSS) class rendered by the Web server control on the client. (Inherited from WebControl)
DataItemContainer	Gets a reference to the naming container if the naming container implements IDataItemContainer. (Inherited from Control)
DataKeysContainer	Gets a reference to the naming container if the naming container implements IDataKeysControl. (Inherited from Control)
DataMember	Gets or sets the specific table in the DataSource to bind to the control. (Inherited from ListControl)
DataSource	Gets or sets the data source that populates the items of the list control. (Inherited from ListControl)
DataSourceID	Gets or sets the ID of the control from which the data-bound control retrieves its list of data items. (Inherited from DataBoundControl)
DataSourceObject	Gets an object that implements the IDataSource interface, which provides access to the object's data content. (Inherited from DataBoundControl)
DataTextField	Gets or sets the field of the data source that provides the text content of the list items. (Inherited from ListControl)
DataTextFormatString	Gets or sets the formatting string used to control how data bound to the list control is displayed. (Inherited from ListControl)
DataValueField	Gets or sets the field of the data source that provides the value of each list item. (Inherited from ListControl)
DesignMode	Gets a value indicating whether a control is being used on a design surface. (Inherited from Control)
Enabled	Gets or sets a value indicating whether the Web server control is enabled. (Inherited from WebControl)
EnableTheming	Gets or sets a value indicating whether themes apply to this control. (Inherited from WebControl)
EnableViewState	Gets or sets a value indicating whether the server control persists its view state, and the view state of any child controls it contains, to the requesting client. (Inherited from Control)
Events	Gets a list of event handler delegates for the control. This property is read-only. (Inherited from Control)
Font	Gets the font properties associated with the Web server control. (Inherited from WebControl)
ForeColor	Gets or sets the foreground color (typically the color of the text) of the Web server control. (Inherited from WebControl)
HasAttributes	Gets a value indicating whether the control has attributes set. (Inherited from WebControl)
HasChildViewState	Gets a value indicating whether the current server control's child controls have any saved view-state settings. (Inherited from Control)
Height	Gets or sets the height of the Web server control. (Inherited from WebControl)
ID	Gets or sets the programmatic identifier assigned to the server control. (Inherited from Control)
IdSeparator	Gets the character used to separate control identifiers. (Inherited from Control)
Initialized	Gets a value indicating whether the data-bound control has been initialized. (Inherited from BaseDataBoundControl)
IsBoundUsingDataSourceID	Gets a value indicating whether the DataSourceID property is set. (Inherited from BaseDataBoundControl)
IsChildControlStateCleared	Gets a value indicating whether controls contained within this control have control state. (Inherited from Control)
IsDataBindingAutomatic	Gets a value that indicates whether data binding is automatic. (Inherited from BaseDataBoundControl)
IsEnabled	Gets a value indicating whether the control is enabled. (Inherited from WebControl)
IsTrackingViewState	Gets a value that indicates whether the server control is saving changes to its view state. (Inherited from Control)
IsUsingModelBinders	Gets a value that indicates whether model binding is in use. (Inherited from DataBoundControl)
IsViewStateEnabled	Gets a value indicating whether view state is enabled for this control. (Inherited from Control)
Items	Gets the collection of items in the list control. (Inherited from ListControl)
ItemType	Gets or sets the name of the data item type for strongly typed data binding. (Inherited from DataBoundControl)
LoadViewStateByID	Gets a value indicating whether the control participates in loading its view state by ID instead of index. (Inherited from Control)
NamingContainer	Gets a reference to the server control's naming container, which creates a unique namespace for differentiating between server controls with the same ID property value. (Inherited from Control)
Page	Gets a reference to the Page instance that contains the server control. (Inherited from Control)
Parent	Gets a reference to the server control's parent control in the page control hierarchy. (Inherited from Control)
RenderingCompatibility	Gets a value that specifies the ASP.NET version that rendered HTML will be compatible with. (Inherited from Control)
RequiresDataBinding	Gets or sets a value indicating whether the DataBind() method should be called. (Inherited from BaseDataBoundControl)
Rows	Gets or sets the number of rows displayed in the ListBox control.
SelectArguments	Gets a DataSourceSelectArguments object that the data-bound control uses when retrieving data from a data source control. (Inherited from DataBoundControl)
SelectedIndex	Gets or sets the lowest ordinal index of the selected items in the list. (Inherited from ListControl)
SelectedItem	Gets the selected item with the lowest index in the list control. (Inherited from ListControl)
SelectedValue	Gets the value of the selected item in the list control, or selects the item in the list control that contains the specified value. (Inherited from ListControl)
SelectionMode	Gets or sets the selection mode of the ListBox control.
SelectMethod	The name of the method to call in order to read data. (Inherited from DataBoundControl)
Site	Gets information about the container that hosts the current control when rendered on a design surface. (Inherited from Control)
SkinID	Gets or sets the skin to apply to the control. (Inherited from WebControl)
Style	Gets a collection of text attributes that will be rendered as a style attribute on the outer tag of the Web server control. (Inherited from WebControl)
SupportsDisabledAttribute	Gets a value that indicates whether the control should set the `disabled` attribute of the rendered HTML element to "disabled" when the control's IsEnabled property is `false`. (Inherited from WebControl)
SupportsDisabledAttribute	Gets a value that indicates whether the control should set the `disabled` attribute of the rendered HTML element to "disabled" when the control's IsEnabled property is `false`. (Inherited from BaseDataBoundControl)
TabIndex	Gets or sets the tab index of the Web server control. (Inherited from WebControl)
TagKey	Gets the HtmlTextWriterTag value for the ListControl control. (Inherited from ListControl)
TagName	Gets the name of the control tag. This property is used primarily by control developers. (Inherited from WebControl)
TemplateControl	Gets or sets a reference to the template that contains this control. (Inherited from Control)
TemplateSourceDirectory	Gets the virtual directory of the Page or UserControl that contains the current server control. (Inherited from Control)
Text	Gets or sets the SelectedValue property of the ListControl control. (Inherited from ListControl)
ToolTip	Gets or sets the ToolTip text displayed when the mouse pointer rests over the control.
ToolTip	Gets or sets the text displayed when the mouse pointer hovers over the Web server control. (Inherited from WebControl)
UniqueID	Gets the unique, hierarchically qualified identifier for the server control. (Inherited from Control)
ValidateRequestMode	Gets or sets a value that indicates whether the control checks client input from the browser for potentially dangerous values. (Inherited from Control)
ValidationGroup	Gets or sets the group of controls for which the control that is derived from the ListControl class causes validation when it posts back to the server. (Inherited from ListControl)
ViewState	Gets a dictionary of state information that allows you to save and restore the view state of a server control across multiple requests for the same page. (Inherited from Control)
ViewStateIgnoresCase	Gets a value that indicates whether the StateBag object is case-insensitive. (Inherited from Control)
ViewStateMode	Gets or sets the view-state mode of this control. (Inherited from Control)
Visible	Gets or sets a value that indicates whether a server control is rendered as UI on the page. (Inherited from Control)
Width	Gets or sets the width of the Web server control. (Inherited from WebControl)

Methods

AddAttributesToRender(HtmlTextWriter)	Adds `name`, `size`, `multiple`, and `onchange` to the list of attributes to render.
AddedControl(Control, Int32)	Called after a child control is added to the Controls collection of the Control object. (Inherited from Control)
AddParsedSubObject(Object)	Notifies the server control that an element, either XML or HTML, was parsed, and adds the element to the server control's ControlCollection object. (Inherited from Control)
ApplyStyle(Style)	Copies any nonblank elements of the specified style to the Web control, overwriting any existing style elements of the control. This method is primarily used by control developers. (Inherited from WebControl)
ApplyStyleSheetSkin(Page)	Applies the style properties defined in the page style sheet to the control. (Inherited from Control)
BeginRenderTracing(TextWriter, Object)	Begins design-time tracing of rendering data. (Inherited from Control)
BuildProfileTree(String, Boolean)	Gathers information about the server control and delivers it to the Trace property to be displayed when tracing is enabled for the page. (Inherited from Control)
ClearCachedClientID()	Sets the cached ClientID value to `null`. (Inherited from Control)
ClearChildControlState()	Deletes the control-state information for the server control's child controls. (Inherited from Control)
ClearChildState()	Deletes the view-state and control-state information for all the server control's child controls. (Inherited from Control)
ClearChildViewState()	Deletes the view-state information for all the server control's child controls. (Inherited from Control)
ClearEffectiveClientIDMode()	Sets the ClientIDMode property of the current control instance and of any child controls to Inherit. (Inherited from Control)
ClearSelection()	Clears out the list selection and sets the Selected property of all items to false. (Inherited from ListControl)
ConfirmInitState()	Sets the initialized state of the data-bound control. (Inherited from BaseDataBoundControl)
CopyBaseAttributes(WebControl)	Copies the properties not encapsulated by the Style object from the specified Web server control to the Web server control that this method is called from. This method is used primarily by control developers. (Inherited from WebControl)
CreateChildControls()	Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering. (Inherited from Control)
CreateControlCollection()	Creates a new ControlCollection object to hold the child controls (both literal and server) of the server control. (Inherited from Control)
CreateControlStyle()	Creates the style object that is used internally by the WebControl class to implement all style related properties. This method is used primarily by control developers. (Inherited from WebControl)
CreateDataSourceSelectArguments()	Creates a default DataSourceSelectArguments object used by the data-bound control if no arguments are specified. (Inherited from DataBoundControl)
DataBind()	Binds a data source to the invoked server control and all its child controls. (Inherited from Control)
DataBind()	Binds a data source to the invoked server control and all its child controls. (Inherited from BaseDataBoundControl)
DataBind(Boolean)	Binds a data source to the invoked server control and all its child controls with an option to raise the DataBinding event. (Inherited from Control)
DataBindChildren()	Binds a data source to the server control's child controls. (Inherited from Control)
Dispose()	Enables a server control to perform final clean up before it is released from memory. (Inherited from Control)
EndRenderTracing(TextWriter, Object)	Ends design-time tracing of rendering data. (Inherited from Control)
EnsureChildControls()	Determines whether the server control contains child controls. If it does not, it creates child controls. (Inherited from Control)
EnsureDataBound()	Calls the DataBind() method if the DataSourceID property is set and the data-bound control is marked to require binding. (Inherited from BaseDataBoundControl)
EnsureID()	Creates an identifier for controls that do not have an identifier assigned. (Inherited from Control)
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
FindControl(String)	Searches the current naming container for a server control with the specified `id` parameter. (Inherited from Control)
FindControl(String, Int32)	Searches the current naming container for a server control with the specified `id` and an integer, specified in the `pathOffset` parameter, which aids in the search. You should not override this version of the FindControl method. (Inherited from Control)
Focus()	Sets input focus to a control. (Inherited from Control)
GetData()	Retrieves a DataSourceView object that the data-bound control uses to perform data operations. (Inherited from DataBoundControl)
GetDataSource()	Retrieves the IDataSource interface that the data-bound control is associated with, if any. (Inherited from DataBoundControl)
GetDesignModeState()	Gets design-time data for a control. (Inherited from Control)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetRouteUrl(Object)	Gets the URL that corresponds to a set of route parameters. (Inherited from Control)
GetRouteUrl(RouteValueDictionary)	Gets the URL that corresponds to a set of route parameters. (Inherited from Control)
GetRouteUrl(String, Object)	Gets the URL that corresponds to a set of route parameters and a route name. (Inherited from Control)
GetRouteUrl(String, RouteValueDictionary)	Gets the URL that corresponds to a set of route parameters and a route name. (Inherited from Control)
GetSelectedIndices()	Gets the array of index values for currently selected items in the ListBox control.
GetType()	Gets the Type of the current instance. (Inherited from Object)
GetUniqueIDRelativeTo(Control)	Returns the prefixed portion of the UniqueID property of the specified control. (Inherited from Control)
HasControls()	Determines if the server control contains any child controls. (Inherited from Control)
HasEvents()	Returns a value indicating whether events are registered for the control or any child controls. (Inherited from Control)
IsLiteralContent()	Determines if the server control holds only literal content. (Inherited from Control)
LoadControlState(Object)	Restores control-state information from a previous page request that was saved by the SaveControlState() method. (Inherited from Control)
LoadPostData(String, NameValueCollection)	Loads the posted content of the list control, if it is different from the last posting.
LoadViewState(Object)	Loads the previously saved view state of the DetailsView control. (Inherited from ListControl)
MapPathSecure(String)	Retrieves the physical path that a virtual path, either absolute or relative, maps to. (Inherited from Control)
MarkAsDataBound()	Sets the state of the control in view state as successfully bound to data. (Inherited from DataBoundControl)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
MergeStyle(Style)	Copies any nonblank elements of the specified style to the Web control, but will not overwrite any existing style elements of the control. This method is used primarily by control developers. (Inherited from WebControl)
OnBubbleEvent(Object, EventArgs)	Determines whether the event for the server control is passed up the page's UI server control hierarchy. (Inherited from Control)
OnCreatingModelDataSource(CreatingModelDataSourceEventArgs)	Raises the CreatingModelDataSource event. (Inherited from DataBoundControl)
OnDataBinding(EventArgs)	Raises the DataBinding event. (Inherited from ListControl)
OnDataBound(EventArgs)	Raises the DataBound event. (Inherited from BaseDataBoundControl)
OnDataPropertyChanged()	Rebinds the data-bound control to its data after one of the base data source identification properties changes. (Inherited from DataBoundControl)
OnDataSourceViewChanged(Object, EventArgs)	Raises the DataSourceViewChanged event. (Inherited from DataBoundControl)
OnInit(EventArgs)	Raises the Init event. (Inherited from Control)
OnInit(EventArgs)	Handles the Init event. (Inherited from BaseDataBoundControl)
OnLoad(EventArgs)	Raises the Load event. (Inherited from Control)
OnLoad(EventArgs)	Handles the Load event. (Inherited from DataBoundControl)
OnPagePreLoad(Object, EventArgs)	Sets the initialized state of the data-bound control before the control is loaded. (Inherited from DataBoundControl)
OnPreRender(EventArgs)	Configures the ListBox control prior to rendering on the client.
OnSelectedIndexChanged(EventArgs)	Raises the SelectedIndexChanged event. This allows you to provide a custom handler for the event. (Inherited from ListControl)
OnTextChanged(EventArgs)	Raises the TextChanged event. (Inherited from ListControl)
OnUnload(EventArgs)	Raises the Unload event. (Inherited from Control)
OpenFile(String)	Gets a Stream used to read a file. (Inherited from Control)
PerformDataBinding(IEnumerable)	Binds the specified data source to the control that is derived from the ListControl class. (Inherited from ListControl)
PerformSelect()	Retrieves data from the associated data source. (Inherited from ListControl)
RaiseBubbleEvent(Object, EventArgs)	Assigns any sources of the event and its information to the control's parent. (Inherited from Control)
RaisePostDataChangedEvent()	Invokes the OnSelectedIndexChanged(EventArgs) method whenever posted data for the ListBox control has changed.
RemovedControl(Control)	Called after a child control is removed from the Controls collection of the Control object. (Inherited from Control)
Render(HtmlTextWriter)	Renders the control to the specified HTML writer. (Inherited from WebControl)
RenderBeginTag(HtmlTextWriter)	Renders the HTML opening tag of the control to the specified writer. This method is used primarily by control developers. (Inherited from WebControl)
RenderChildren(HtmlTextWriter)	Outputs the content of a server control's children to a provided HtmlTextWriter object, which writes the content to be rendered on the client. (Inherited from Control)
RenderContents(HtmlTextWriter)	Renders the contents of the control to the specified writer.
RenderContents(HtmlTextWriter)	Renders the items in the ListControl control. (Inherited from ListControl)
RenderControl(HtmlTextWriter)	Outputs server control content to a provided HtmlTextWriter object and stores tracing information about the control if tracing is enabled. (Inherited from Control)
RenderControl(HtmlTextWriter, ControlAdapter)	Outputs server control content to a provided HtmlTextWriter object using a provided ControlAdapter object. (Inherited from Control)
RenderEndTag(HtmlTextWriter)	Renders the HTML closing tag of the control into the specified writer. This method is used primarily by control developers. (Inherited from WebControl)
ResolveAdapter()	Gets the control adapter responsible for rendering the specified control. (Inherited from Control)
ResolveClientUrl(String)	Gets a URL that can be used by the browser. (Inherited from Control)
ResolveUrl(String)	Converts a URL into one that is usable on the requesting client. (Inherited from Control)
SaveControlState()	Saves any server control state changes that have occurred since the time the page was posted back to the server. (Inherited from Control)
SaveViewState()	Saves the current view state of the ListControl -derived control and the items it contains. (Inherited from ListControl)
SetDesignModeState(IDictionary)	Sets design-time data for a control. (Inherited from Control)
SetPostDataSelection(Int32)	Sets the Selected property of a ListItem control after a page is posted. (Inherited from ListControl)
SetRenderMethodDelegate(RenderMethod)	Assigns an event handler delegate to render the server control and its content into its parent control. (Inherited from Control)
SetTraceData(Object, Object)	Sets trace data for design-time tracing of rendering data, using the trace data key and the trace data value. (Inherited from Control)
SetTraceData(Object, Object, Object)	Sets trace data for design-time tracing of rendering data, using the traced object, the trace data key, and the trace data value. (Inherited from Control)
ToString()	Returns a string that represents the current object. (Inherited from Object)
TrackViewState()	Marks the starting point to begin tracking and saving view-state changes to a ListControl -derived control. (Inherited from ListControl)
ValidateDataSource(Object)	Verifies that the object a data-bound control binds to is one it can work with. (Inherited from DataBoundControl)
VerifyMultiSelect()	Determines whether the list control supports multiselection mode. (Inherited from ListControl)

Events

CallingDataMethods	Occurs when data methods are being called. (Inherited from DataBoundControl)
CreatingModelDataSource	Occurs when the ModelDataSource object is being created. (Inherited from DataBoundControl)
DataBinding	Occurs when the server control binds to a data source. (Inherited from Control)
DataBound	Occurs after the server control binds to a data source. (Inherited from BaseDataBoundControl)
Disposed	Occurs when a server control is released from memory, which is the last stage of the server control lifecycle when an ASP.NET page is requested. (Inherited from Control)
Init	Occurs when the server control is initialized, which is the first step in its lifecycle. (Inherited from Control)
Load	Occurs when the server control is loaded into the Page object. (Inherited from Control)
PreRender	Occurs after the Control object is loaded but prior to rendering. (Inherited from Control)
SelectedIndexChanged	Occurs when the selection from the list control changes between posts to the server. (Inherited from ListControl)
TextChanged	Occurs when the Text and SelectedValue properties change. (Inherited from ListControl)
Unload	Occurs when the server control is unloaded from memory. (Inherited from Control)

Explicit Interface Implementations

IAttributeAccessor.GetAttribute(String)	Gets an attribute of the Web control with the specified name. (Inherited from WebControl)
IAttributeAccessor.SetAttribute(String, String)	Sets an attribute of the Web control to the specified name and value. (Inherited from WebControl)
IControlBuilderAccessor.ControlBuilder	For a description of this member, see ControlBuilder. (Inherited from Control)
IControlDesignerAccessor.GetDesignModeState()	For a description of this member, see GetDesignModeState(). (Inherited from Control)
IControlDesignerAccessor.SetDesignModeState(IDictionary)	For a description of this member, see SetDesignModeState(IDictionary). (Inherited from Control)
IControlDesignerAccessor.SetOwnerControl(Control)	For a description of this member, see SetOwnerControl(Control). (Inherited from Control)
IControlDesignerAccessor.UserData	For a description of this member, see UserData. (Inherited from Control)
IDataBindingsAccessor.DataBindings	For a description of this member, see DataBindings. (Inherited from Control)
IDataBindingsAccessor.HasDataBindings	For a description of this member, see HasDataBindings. (Inherited from Control)
IExpressionsAccessor.Expressions	For a description of this member, see Expressions. (Inherited from Control)
IExpressionsAccessor.HasExpressions	For a description of this member, see HasExpressions. (Inherited from Control)
IParserAccessor.AddParsedSubObject(Object)	For a description of this member, see AddParsedSubObject(Object). (Inherited from Control)
IPostBackDataHandler.LoadPostData(String, NameValueCollection)	Loads the posted content of the list control, if it is different from the last posting.
IPostBackDataHandler.RaisePostDataChangedEvent()	Invokes the OnSelectedIndexChanged(EventArgs) method whenever posted data for the ListBox control has changed.

Extension Methods

EnablePersistedSelection(BaseDataBoundControl)	Obsolete. Enables selection to be persisted in data controls that support selection and paging.
FindDataSourceControl(Control)	Returns the data source that is associated with the data control for the specified control.
FindFieldTemplate(Control, String)	Returns the field template for the specified column in the specified control's naming container.
FindMetaTable(Control)	Returns the metatable object for the containing data control.

Applies to

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