asp.net avoid button Repeat click, make the button click and then dimmed

Button ID is: btnsubmit

In order to realize RT function, only need to add two lines of code.

1. Add in the first line of the. aspx page <%@ page%>:

Enableeventvalidation= "false"

2. Add the following code to the Page_Load method of the service-side code:

Make the button unavailable and callback service-side events

THIS.BTNSUBMIT.ATTRIBUTES.ADD ("onclick", Clientscript.getpostbackeventreference (Btnsubmit, "click") + "; This.disabled=true; This.value= ' Submit ... ';

Provide a simple example written by other people on the Web:

Make the button unavailable and callback service-side events
protected void Page_Load (object sender, EventArgs e)
{
THIS.BTNOK.ATTRIBUTES.ADD ("onclick", Clientscript.getpostbackeventreference (Btnok, "click") + "; this.disabled=true ; This.value= ' Submit ... ';

}

Button Handling method

protected void Btnok_click (object sender, EventArgs e)

{
System.Threading.Thread.Sleep (2000);
Clientscript.registerstartupscript (GetType (), "Btncommit", "alert (' Submit successfully!!! ');", true);

}