Saturday, June 16, 2007

Preventing Multiple Button Click on Asp.net Page

Preventing Multiple Button Click on Asp.net Page

Disabling a button until processing is complete

Here's the scenario - let's say you have an Insert subroutine, called 'doInsert'. You want to immediately disable the Submit button, so that the end-user won't click it multiple times, therefore, submitting the same data multiple times.

For this, use a regular HTML button, including a Runat="server" and an 'OnServerClick' event designation - like this:

<INPUT id="Button1" onclick="document.form1.Button1.disabled=true;" type="button" value="Submit - Insert Data" name="Button1" runat="server" onserverclick="doInsert">

Then, in the very last line of the 'doInsert' subroutine, add this line:

Button1.enabled="True"

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