Szerkesztés

Megosztás a következőn keresztül:

HtmlGenericControl Constructors

  • Reference

Definition

Namespace:
System.Web.UI.HtmlControls
Assembly:
System.Web.dll

Initializes a new instance of the HtmlGenericControl class.

Overloads

HtmlGenericControl()

Initializes a new instance of the HtmlGenericControl class with default values.
HtmlGenericControl(String)

Initializes a new instance of the HtmlGenericControl class with the specified tag.

HtmlGenericControl()

Initializes a new instance of the HtmlGenericControl class with default values.

public:
 HtmlGenericControl();
public HtmlGenericControl ();
Public Sub New ()

Examples

The following code example demonstrates how to create a new instance of the HtmlGenericControl class using the parameterless constructor.

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
  void Page_Load(Object sender, EventArgs e)
  {

    // Create a new HtmlGenericControl.
    HtmlGenericControl NewControl = new HtmlGenericControl();

    // Set the properties of the new HtmlGenericControl control.
    NewControl.ID = "NewControl";
    NewControl.InnerHtml = "This is a dynamically created HTML server control.";

    // Add the new HtmlGenericControl to the Controls collection of the
    // PlaceHolder control. 
    ControlContainer.Controls.Add(NewControl);

  }

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
  <title>HtmlGenericControl Constructor Example</title>
</head>
<body>

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

      <h3> HtmlGenericControl Constructor Example </h3>

      <asp:PlaceHolder ID="ControlContainer"
                       runat="server"/>
   </div>
   </form>

</body>
</html>

<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
  Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

    ' Create a new HtmlGenericControl.
    Dim NewControl As New HtmlGenericControl()

    ' Set the properties of the new HtmlGenericControl control.
    NewControl.ID = "NewControl"
    NewControl.InnerHtml = "This is a dynamically created HTML server control."

    ' Add the new HtmlGenericControl to the Controls collection of the
    ' PlaceHolder control. 
    ControlContainer.Controls.Add(NewControl)

  End Sub

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
  <title>HtmlGenericControl Constructor Example</title>
</head>
<body>

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

      <h3> HtmlGenericControl Constructor Example </h3>

      <asp:PlaceHolder ID="ControlContainer"
                       runat="server"/>
   </div>
   </form>

</body>
</html>

Remarks

Use this constructor to create and initialize a new instance of the HtmlGenericControl class using the default values. It is commonly used to dynamically create a server-side <span> element.

The following table shows initial property values for an instance of HtmlGenericControl.

Property Initial Value
TagName The "span" literal string.

Applies to

HtmlGenericControl(String)

Initializes a new instance of the HtmlGenericControl class with the specified tag.

public:
 HtmlGenericControl(System::String ^ tag);
public HtmlGenericControl (string tag);
new System.Web.UI.HtmlControls.HtmlGenericControl : string -> System.Web.UI.HtmlControls.HtmlGenericControl
Public Sub New (tag As String)

Parameters

tag
String

The name of the element for which this instance of the class is created.

Examples

The following code example demonstrates how to create a new instance of the HtmlGenericControl class using the overloaded constructor.

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
  
  void Page_Load(Object sender, EventArgs e)
  {
    // Create a new HtmlGenericControl.
    HtmlGenericControl NewControl = new HtmlGenericControl("div");

    // Set the properties of the new HtmlGenericControl control.
    NewControl.ID = "NewControl";
    NewControl.InnerHtml = "This is a dynamically created HTML server control.";

    // Add the new HtmlGenericControl to the Controls collection of the
    // PlaceHolder control. 
    ControlContainer.Controls.Add(NewControl);

  }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
  <title>HtmlGenericControl Constructor Example</title>
</head>
<body>

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

      <h3> HtmlGenericControl Constructor Example </h3>

      <asp:PlaceHolder ID="ControlContainer"
                       runat="server"/>
   </div>
   </form>

</body>
</html>

<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

  Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

    ' Create a new HtmlGenericControl.
    Dim NewControl As New HtmlGenericControl("div")

    ' Set the properties of the new HtmlGenericControl control.
    NewControl.ID = "NewControl"
    NewControl.InnerHtml = "This is a dynamically created HTML server control."

    ' Add the new HtmlGenericControl to the Controls collection of the
    ' PlaceHolder control. 
    ControlContainer.Controls.Add(NewControl)

  End Sub

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
  <title>HtmlGenericControl Constructor Example</title>
</head>
<body>

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

      <h3> HtmlGenericControl Constructor Example </h3>

      <asp:PlaceHolder ID="ControlContainer"
                       runat="server"/>
   </div>
   </form>

</body>
</html>

Remarks

Use this constructor to create and initialize a new instance of the HtmlGenericControl class using the specified tag. This allows you to dynamically create any HTML server control element not directly represented by a .NET Framework class.

The following table shows initial property values for an instance of HtmlGenericControl.

Property Initial Value
TagName The value of the tag parameter.

Note

If the tag parameter is null, the TagName property is set to String.Empty.

Applies to