How to invoke a server-side function with JavaScript

Firstly, you can drag a server button and put the server function into the button Click even, 

protected void Button1_Click(object sender, EventArgs e)
{
   FunctionName();
}

Secondly, you can call the server function at JavaScript by using the following code,

document.getElementById("Button1").click();

Related posts:

http://forums.asp.net/p/1242420/2274228.aspx

Posted in: FAQ in Web Forms,Java Script