RepeatLayout Enum

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.

Specifies the layout of items in a list control.

public enum class RepeatLayout

public enum RepeatLayout

type RepeatLayout =

Public Enum RepeatLayout

Inheritance: Object

ValueType

Enum
RepeatLayout

Fields

Name	Value	Description
Table	0	Items are displayed in a table. This option causes the control to render HTML that might not conform to accessibility standards. For more information, see Accessibility in Visual Studio and ASP.NET.
Flow	1	Items are displayed without a table structure. Rendered markup consists of a `span` element and items are separated by `br` elements.
UnorderedList	2	Items are displayed without a table structure. Rendered markup consists of a `ul` element that contains `li` elements. This field is new as of ASP.NET 4 and is a valid option only for the CheckBoxList and RadioButtonList controls.
OrderedList	3	Items are displayed without a table structure. Rendered markup consists of an `ol` element that contains `li` elements. This value is new as of ASP.NET 4 and is a valid option only for the CheckBoxList and RadioButtonList controls.

Examples

The following example shows a list control whose layout is defined by the Table enumeration value.


<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
 
<!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" >
   <script runat="server">
 
      ICollection CreateDataSource() 
      {
      
         // Create sample data for the DataList control.
         DataTable dt = new DataTable();
         DataRow dr;
 
         // Define the columns of the table.
         dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
         dt.Columns.Add(new DataColumn("StringValue", typeof(String)));
         dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
         dt.Columns.Add(new DataColumn("ImageValue", typeof(String)));
 
         // Populate the table with sample values.
         for (int i = 0; i < 9; i++) 
         {
            dr = dt.NewRow();
 
            dr[0] = i;
            dr[1] = "Description for item " + i.ToString();
            dr[2] = 1.23 * (i + 1);
            dr[3] = "Image" + i.ToString() + ".jpg";
 
            dt.Rows.Add(dr);
         }
 
         DataView dv = new DataView(dt);
         return dv;
      }
 
 
      void Page_Load(Object sender, EventArgs e) 
      {

         // Load sample data only once, when the page is first loaded.
         if (!IsPostBack) 
         {
            ItemsList.DataSource = CreateDataSource();
            ItemsList.DataBind();
         }

      }
 
      void Button_Click(Object sender, EventArgs e) 
      {
 
         // Set the repeat direction based on the selected value of the
         // DirectionList DropDownList control.
         ItemsList.RepeatDirection = 
             (RepeatDirection)DirectionList.SelectedIndex;

         // Set the repeat layout based on the selected value of the
         // LayoutList DropDownList control.
         ItemsList.RepeatLayout = (RepeatLayout)LayoutList.SelectedIndex;

         // Set the number of columns to display based on the selected
         // value of the ColumnsList DropDownList control.
         ItemsList.RepeatColumns = ColumnsList.SelectedIndex;

         // Show or hide the gridlines based on the value of the
         // ShowBorderCheckBox property. Note that gridlines are displayed
         // only if the RepeatLayout property is set to Table.
         if ((ShowBorderCheckBox.Checked) 
             && (ItemsList.RepeatLayout == RepeatLayout.Table)) 
         {
            ItemsList.BorderWidth = Unit.Pixel(1);
            ItemsList.GridLines = GridLines.Both;
         }    
         else  
         {
            ItemsList.BorderWidth = Unit.Pixel(0);
            ItemsList.GridLines = GridLines.None;
         }
    
      }    
 
   </script>
 
<head runat="server">
    <title>DataList Example</title>
</head>
<body>
 
   <form id="form1" runat="server">

      <h3>DataList Example</h3>
 
      <asp:DataList id="ItemsList"
           BorderColor="black"
           CellPadding="5"
           CellSpacing="5"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           RepeatColumns="0"
           BorderWidth="0"
           runat="server">

         <HeaderStyle BackColor="#aaaadd">
         </HeaderStyle>

         <AlternatingItemStyle BackColor="Gainsboro">
         </AlternatingItemStyle>

         <HeaderTemplate>

            List of items

         </HeaderTemplate>
               
         <ItemTemplate>

            Description: <br />
            <%# DataBinder.Eval(Container.DataItem, "StringValue") %>

            <br />

            Price: <%# DataBinder.Eval(Container.DataItem, "CurrencyValue", "{0:c}") %>

            <br />

            <asp:Image id="ProductImage"
                 AlternatingText='<%# DataBinder.Eval(Container.DataItem, "StringValue") %>'
                 ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ImageValue") %>'
                 runat="server"/>

         </ItemTemplate>
 
      </asp:DataList>
 
      <hr />

      <table cellpadding="5">

         <tr>

            <th>

               Repeat direction:

            </th>

            <th>

               Repeat layout:

            </th>

            <th>

               Repeat columns:

            </th>

            <th>

               <asp:CheckBox id="ShowBorderCheckBox"
                    Text="Show border"
                    Checked="False" 
                    runat="server" />

            </th>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="DirectionList" 
                    runat="server">

                  <asp:ListItem>Horizontal</asp:ListItem>
                  <asp:ListItem Selected="True">Vertical</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

               <asp:DropDownList id="LayoutList" 
                    runat="server">

                  <asp:ListItem Selected="True">Table</asp:ListItem>
                  <asp:ListItem>Flow</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

               <asp:DropDownList id="ColumnsList" 
                    runat="server">

                  <asp:ListItem Selected="True">0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem>2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>
                  <asp:ListItem>4</asp:ListItem>
                  <asp:ListItem>5</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

                

            </td>


         </tr>

      </table>     
         
      <asp:LinkButton id="RefreshButton" 
           Text="Refresh DataList" 
           OnClick="Button_Click" 
           runat="server"/>
 
   </form>
 
</body>
</html>


<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
 
<!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" >
   <script runat="server">
 
      Function CreateDataSource() As ICollection 
      
         ' Create sample data for the DataList control.
         Dim dt As DataTable = New DataTable()
         dim dr As DataRow
 
         ' Define the columns of the table.
         dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32)))
         dt.Columns.Add(New DataColumn("StringValue", GetType(String)))
         dt.Columns.Add(New DataColumn("CurrencyValue", GetType(Double)))
         dt.Columns.Add(New DataColumn("ImageValue", GetType(String)))
 
         ' Populate the table with sample values.
         Dim i As Integer

         For i = 0 To 8 

            dr = dt.NewRow()
 
            dr(0) = i
            dr(1) = "Description for item " & i.ToString()
            dr(2) = 1.23 * (i + 1)
            dr(3) = "Image" & i.ToString() & ".jpg"
 
            dt.Rows.Add(dr)

         Next i
 
         Dim dv As DataView = New DataView(dt)
         Return dv

      End Function
 
      Sub Page_Load(sender As Object, e As EventArgs) 

         ' Load sample data only once, when the page is first loaded.
         If Not IsPostBack Then 
     
            ItemsList.DataSource = CreateDataSource()
            ItemsList.DataBind()
         
         End If

      End Sub
 
      Sub Button_Click(sender As Object, e As EventArgs) 
 
         ' Set the repeat direction based on the selected value of the
         ' DirectionList DropDownList control.
         ItemsList.RepeatDirection = _
             CType(DirectionList.SelectedIndex, RepeatDirection)

         ' Set the repeat layout based on the selected value of the
         ' LayoutList DropDownList control.
         ItemsList.RepeatLayout = CType(LayoutList.SelectedIndex, RepeatLayout)

         ' Set the number of columns to display based on the selected
         ' value of the ColumnsList DropDownList control.
         ItemsList.RepeatColumns = ColumnsList.SelectedIndex

         ' Show or hide the gridlines based on the value of the
         ' ShowBorderCheckBox. Note that gridlines are displayed
         ' only if the RepeatLayout property is set to Table.
         If ShowBorderCheckBox.Checked _
             And ItemsList.RepeatLayout = RepeatLayout.Table Then 

            ItemsList.BorderWidth = Unit.Pixel(1)
            ItemsList.GridLines = GridLines.Both
         
         Else  
    
            ItemsList.BorderWidth = Unit.Pixel(0)
            ItemsList.GridLines = GridLines.None
         
         End If
    
      End Sub    
 
   </script>
 
<head runat="server">
    <title>DataList Example</title>
</head>
<body>
 
   <form id="form1" runat="server">

      <h3>DataList Example</h3>
 
      <asp:DataList id="ItemsList"
           BorderColor="black"
           CellPadding="5"
           CellSpacing="5"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           RepeatColumns="0"
           BorderWidth="0"
           runat="server">

         <HeaderStyle BackColor="#aaaadd">
         </HeaderStyle>

         <AlternatingItemStyle BackColor="Gainsboro">
         </AlternatingItemStyle>

         <HeaderTemplate>

            List of items

         </HeaderTemplate>
               
         <ItemTemplate>

            Description: <br />
            <%# DataBinder.Eval(Container.DataItem, "StringValue") %>

            <br />

            Price: <%# DataBinder.Eval(Container.DataItem, "CurrencyValue", "{0:c}") %>

            <br />

            <asp:Image id="ProductImage"
                 AlternatingText='<%# DataBinder.Eval(Container.DataItem, "StringValue") %>'
                 ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ImageValue") %>'
                 runat="server"/>

         </ItemTemplate>
 
      </asp:DataList>
 
      <hr />

      <table cellpadding="5">

         <tr>

            <th>

               Repeat direction:

            </th>

            <th>

               Repeat layout:

            </th>

            <th>

               Repeat columns:

            </th>

            <th>

               <asp:CheckBox id="ShowBorderCheckBox"
                    Text="Show border"
                    Checked="False" 
                    runat="server" />

            </th>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="DirectionList" 
                    runat="server">

                  <asp:ListItem>Horizontal</asp:ListItem>
                  <asp:ListItem Selected="True">Vertical</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

               <asp:DropDownList id="LayoutList" 
                    runat="server">

                  <asp:ListItem Selected="True">Table</asp:ListItem>
                  <asp:ListItem>Flow</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

               <asp:DropDownList id="ColumnsList" 
                    runat="server">

                  <asp:ListItem Selected="True">0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem>2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>
                  <asp:ListItem>4</asp:ListItem>
                  <asp:ListItem>5</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

                

            </td>


         </tr>

      </table>     
         
      <asp:LinkButton id="RefreshButton" 
           Text="Refresh DataList" 
           OnClick="Button_Click" 
           runat="server"/>
 
   </form>
 
</body>
</html>

The following example shows markup that is rendered for a CheckBoxList control whose RepeatLayout property is set to Flow.

<span id="ctl00_MainContent_CheckBoxList1">  
  <input id="ctl00_MainContent_CheckBoxList1_0" type="checkbox"   
    name="ctl00$MainContent$CheckBoxList1$0" value="Item 1" />  
  <label for="ctl00_MainContent_CheckBoxList1_0">Item 1</label>  
  <br />  
  <input id="ctl00_MainContent_CheckBoxList1_1" type="checkbox"  
    name="ctl00$MainContent$CheckBoxList1$1" value="Item 2"/>  
  <label for="ctl00_MainContent_CheckBoxList1_1">Item 2</label>  
  <br />  
  <input id="ctl00_MainContent_CheckBoxList1_2" type="checkbox"  
    name="ctl00$MainContent$CheckBoxList1$2" value="Item 2" />  
  <label for="ctl00_MainContent_CheckBoxList1_2">Item 2</label>  
</span>

The following example shows markup that is rendered for a CheckBoxList control whose RepeatLayout property is set to OrderedList.

<ol id="ctl00_MainContent_CheckBoxList3">  
  <li>  
    <input id="ctl00_MainContent_CheckBoxList3_0" type="checkbox"  
      name="ctl00$MainContent$CheckBoxList3$0" value="Item 1" />  
    <label for="ctl00_MainContent_CheckBoxList3_0">Item 1</label>  
  </li>  
  <li>  
    <input id="ctl00_MainContent_CheckBoxList3_1" type="checkbox"  
      name="ctl00$MainContent$CheckBoxList3$1" value="Item 2" />  
    <label for="ctl00_MainContent_CheckBoxList3_1">Item 2</label>  
  </li>  
  <li>  
    <input id="ctl00_MainContent_CheckBoxList3_2" type="checkbox"  
      name="ctl00$MainContent$CheckBoxList3$2" value="Item 2" />  
    <label for="ctl00_MainContent_CheckBoxList3_2">Item 2</label>  
  </li>  
</ol>

The following example shows markup that is rendered for a CheckBoxList control whose RepeatLayout property is set to Table.

<table id="ctl00_MainContent_CheckBoxList2">  
  <tr>  
    <td>  
      <input id="ctl00_MainContent_CheckBoxList2_0" type="checkbox"  
        name="ctl00$MainContent$CheckBoxList2$0" value="Item 1" />  
      <label for="ctl00_MainContent_CheckBoxList2_0">Item 1</label>  
    </td>  
  </tr>  
  <tr>  
    <td>  
      <input id="ctl00_MainContent_CheckBoxList2_1" type="checkbox"  
        name="ctl00$MainContent$CheckBoxList2$1" value="Item 2" />  
      <label for="ctl00_MainContent_CheckBoxList2_1">Item 2</label>  
    </td>  
  </tr>  
  <tr>  
    <td>  
      <input id="ctl00_MainContent_CheckBoxList2_2" type="checkbox"  
        name="ctl00$MainContent$CheckBoxList2$2" value="Item 3" />  
      <label for="ctl00_MainContent_CheckBoxList2_2">Item 3</label>  
    </td>  
  </tr>  
</table>

The following example shows markup that is rendered for a CheckBoxList control whose RepeatLayout property is set to UnorderedList.

<ul id="ctl00_MainContent_CheckBoxList4">  
  <li>  
    <input id="ctl00_MainContent_CheckBoxList4_0" type="checkbox"  
      name="ctl00$MainContent$CheckBoxList4$0" value="Item 1" />  
    <label for="ctl00_MainContent_CheckBoxList4_0">Item 1</label>  
  </li>  
  <li>  
    <input id="ctl00_MainContent_CheckBoxList4_1" type="checkbox"  
      name="ctl00$MainContent$CheckBoxList4$1" value="Item 2" />  
    <label for="ctl00_MainContent_CheckBoxList4_1">Item 2</label>  
  </li>  
  <li>  
    <input id="ctl00_MainContent_CheckBoxList4_2" type="checkbox"  
      name="ctl00$MainContent$CheckBoxList4$2" value="Item 2" />  
    <label for="ctl00_MainContent_CheckBoxList4_2">Item 2</label>  
  </li>  
</ul>

Remarks

The RepeatLayout enumeration represents the different layout options for a list control.

Applies to

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