Disable the asp button after first click because it save multiple records in slow connection
<pre><code>&lt;asp:Button 
         ID="btnUpdate" 
         runat="server" 
         OnClick="btnUpdate_Click" 
         Text="Update" 
         CssClass ="btn" 
         ToolTip="Update" 
         Width="58px" /&gt;
</code></pre>

<p>`This is my code for button, want to use javascript..help plz</p>
