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LinkButton.CommandName Property

Gets or sets the command name associated with the LinkButton control. This value is passed to the Command event handler along with the CommandArgument property.

[Visual Basic]
Public Property CommandName As String
[C#]
public string CommandName {get; set;}
[C++]
public: __property String* get_CommandName();
public: __property void set_CommandName(String*);
[JScript]
public function get CommandName() : String;
public function set CommandName(String);

Property Value

The command name of the LinkButton control. The default value is String.Empty.

Remarks

When you have multiple LinkButton controls on a Web page, use the CommandName property to specify or determine the command name associated with the LinkButton control clicked. You can set the CommandName property with any string that identifies the command to perform. You can then programmatically determine the command name of the LinkButton control and perform the appropriate actions.

Additional information about the command, such as Ascending, may be specified by using the CommandArgument property.

Example

[Visual Basic, C#, JScript] The following example demonstrates how to use the CommandName property to specify a command name for a LinkButton control.

[Visual Basic] 
<%@ Page Language="VB" AutoEventWireup="True" %>
<html>
<head>

   <script language="VB" runat="server">
     
      Sub LinkButton_Command(sender As Object, e As CommandEventArgs) 
         Label1.Text = "You chose: " & e.CommandName & " Item " & _
            e.CommandArgument
      End Sub
 
   </script>
 
</head>
<body>
 
   <form runat=server>
 
      <h3>LinkButton Command Event Example</h3>
  
      <asp:LinkButton id="LinkButton1" 
           Text="Order Item 10001"
           CommandName="Order" 
           CommandArgument="10001" 
           OnCommand="LinkButton_Command" 
           runat="server"/>
 
      <br>
  
      <asp:LinkButton id="LinkButton2" 
           Text="Order Item 10002"
           CommandName="Order" 
           CommandArgument="10002" 
           OnCommand="LinkButton_Command" 
           Runat="server"/>
 
      <br>
      <p>
 
      <asp:Label id="Label1" runat="server"/>
 
   </form>

</body>
</html>


[C#] 
<%@ Page Language="C#" AutoEventWireup="True" %>
<html>
<head>

   <script language="C#" runat="server">
     
      void LinkButton_Command(Object sender, CommandEventArgs e) 
      {
         Label1.Text = "You chose: " + e.CommandName + " Item " + e.CommandArgument;
      }
 
   </script>
 
</head>
<body>
 
   <form runat=server>
 
      <h3>LinkButton Command Event Example</h3>
  
      <asp:LinkButton id="LinkButton1" 
           Text="Order Item 10001"
           CommandName="Order" 
           CommandArgument="10001" 
           OnCommand="LinkButton_Command" 
           runat="server"/>
 
      <br>
  
      <asp:LinkButton id="LinkButton2" 
           Text="Order Item 10002"
           CommandName="Order" 
           CommandArgument="10002" 
           OnCommand="LinkButton_Command" 
           Runat="server"/>
 
      <br>
      <p>
 
      <asp:Label id="Label1" runat="server"/>
 
   </form>

</body>
</html>


[JScript] 
<%@ Page Language="JScript" AutoEventWireup="True" %>
<html>
<head>

   <script language="JSCRIPT" runat="server">
     
      function LinkButton_Command(sender : Object, e : CommandEventArgs){
         Label1.Text = "You chose: " + e.CommandName + " Item " + e.CommandArgument
      }
 
   </script>
 
</head>
<body>
 
   <form runat=server>
 
      <h3>LinkButton Command Event Example</h3>
  
      <asp:LinkButton id="LinkButton1" 
           Text="Order Item 10001"
           CommandName="Order" 
           CommandArgument="10001" 
           OnCommand="LinkButton_Command" 
           runat="server"/>
 
      <br>
  
      <asp:LinkButton id="LinkButton2" 
           Text="Order Item 10002"
           CommandName="Order" 
           CommandArgument="10002" 
           OnCommand="LinkButton_Command" 
           Runat="server"/>
 
      <br>
      <p>
 
      <asp:Label id="Label1" runat="server"/>
 
   </form>

</body>
</html>

[C++] No example is available for C++. To view a Visual Basic, C#, or JScript example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family

See Also

LinkButton Class | LinkButton Members | System.Web.UI.WebControls Namespace | Command | OnCommand | CommandArgument

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