LinkButton Control

Definition and Usage

The LinkButton control is used to create a hyperlink button.

Note: This control looks like a HyperLink control but has the same functionality as the Button control!

Properties

Property	Description
CausesValidation	By default, a page is validated when a Button control is clicked. To prevent a page from being validated when clicking on a Button control, set this property to "false"
Command	The command associated with the Command event
CommandArgument	Additional information about the command to perform
id	A unique id for the control
OnClick	The name of the function to be executed when the link is clicked
runat	Specifies that the control is a server control. Must be set to "server"
Text	The text to display for the link

Example 1

In the following example we declare one LinkButton control and one Label control in an .aspx file. When the user clicks on the link, the lb_Click subroutine is executed. The subroutine sends the text "You clicked the LinkButton control" to the Label control:

<script runat="server">
  Sub lb_Click(sender As Object, e As EventArgs) 
    Label1.Text="You clicked the LinkButton control"
  End Sub
</script>

<html>
<body>
<form runat="server">
<asp:LinkButton id="lb1" Text="Click Me"
OnClick="lb_Click" runat="server"/>
<p><asp:Label id="Label1" runat="server"/></p>
</form>
</body>
</html>

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