.NET Framework Class Library
HtmlControl..::.Disabled Property

Gets or sets a value indicating whether the HTML server control is disabled.

Namespace:  System.Web.UI.HtmlControls
Assembly:  System.Web (in System.Web.dll)
Syntax

Visual Basic (Declaration)
Public Property Disabled As Boolean
Visual Basic (Usage)
Dim instance As HtmlControl
Dim value As Boolean

value = instance.Disabled

instance.Disabled = value
C#
public bool Disabled { get; set; }
Visual C++
public:
property bool Disabled {
    bool get ();
    void set (bool value);
}
JScript
public function get Disabled () : boolean
public function set Disabled (value : boolean)
ASP.NET
<asp:HtmlControl Disabled="True|False" />

Property Value

Type: System..::.Boolean
true if the control is disabled; otherwise, false. The default value is false.
Remarks

In the browser, a disabled element or control is read-only, with the following added restrictions: its value is not submitted with the form, the element or control cannot receive focus, and the element or control is skipped when navigating the document by tabbing.

Examples

The following code example demonstrates how to use the Disabled property to programmatically enable and disable an HtmlInputButton control.

Visual Basic
<%@ 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  >
<head>
    <title>HtmlControl Disabled Property Example</title>
<script language="VB" runat="server">
    Sub Submit_Clicked(sender As Object, e As EventArgs)

        Message.InnerHtml = "You clicked the submit button."
    End Sub 'Submit_Clicked

    Sub Enable_Clicked(sender As Object, e As EventArgs)

        Message.InnerHtml = ""
        Submit2.Disabled = Not Submit2.Disabled
    End Sub 'Enable_Clicked 
  </script>
</head>

<body>
   <form id="form1" method="post" runat="server">

      <h3>HtmlControl Disabled Property Example</h3>

      <input id="Submit1"        
             type="submit"
             value="Enable/Disable Submit Button"
             onserverclick="Enable_Clicked"
             runat="server"/>

      <br /><br />

      <input id="Submit2"        
             type="submit"
             value="Submit"
             onserverclick="Submit_Clicked"
             runat="server"/>



      <br /><br />

      <span id="Message" runat="server"/>  

   </form>

</body>
</html>

C#
<%@ 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  >
<head>
    <title>HtmlControl Disabled Property Example</title>
<script language="C#" runat="server">

      void Submit_Clicked(Object sender, EventArgs e) 
      {

         Message.InnerHtml = "You clicked the submit button.";

      }        


      void Enable_Clicked(Object sender, EventArgs e) 
      {

         Message.InnerHtml = "";
         Submit2.Disabled=!Submit2.Disabled;

      }

   </script>
</head>

<body>
   <form id="form1" method="post" runat="server">

      <h3>HtmlControl Disabled Property Example</h3>

      <input id="Submit1"        
             type="submit"
             value="Enable/Disable Submit Button"
             onserverclick="Enable_Clicked"
             runat="server"/>

      <br /><br />

      <input id="Submit2"        
             type="submit"
             value="Submit"
             onserverclick="Submit_Clicked"
             runat="server"/>



      <br /><br />

      <span id="Message" runat="server"/>  

   </form>

</body>
</html>

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html  >
<head>
    <title>HtmlControl Disabled Property Example</title>
<script language="jscript" runat="server">
    function Submit_Clicked(sender: Object, e: EventArgs){
        Message.InnerHtml = "You clicked the submit button."
    }

    function Enable_Clicked(sender: Object, e: EventArgs){
        Message.InnerHtml = ""
        Submit2.Disabled = !Submit2.Disabled
    }
  </script>
</head>

<body>
   <form id="form1" method="post" runat="server">

      <h3>HtmlControl Disabled Property Example</h3>

      <input id="Submit1"        
             type="submit"
             value="Enable/Disable Submit Button"
             onserverclick="Enable_Clicked"
             runat="server"/>

      <br /><br />

      <input id="Submit2"        
             type="submit"
             value="Submit"
             onserverclick="Submit_Clicked"
             runat="server"/>



      <br /><br />

      <span id="Message" runat="server"/>  

   </form>

</body>
</html>

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
See Also

Reference

Tags :


Page view tracker