How Do I Prevent Users Clicking A Button Twice In Asp.Net

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VB

ASP.NET4

Please help me how to prevent multiple clicks for a button. i have to perform only one time not multiple times.

Posted 12-Mar-14 1:54am

kumar2233

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thatraja · Answer 1 · 2014-03-12T02:17:00

Solution 1

Check this article
Detecting Refresh or Postback in ASP.NET[^]

Posted 12-Mar-14 2:17am

thatraja

Comments

Ankur^\m/ 12-Mar-14 8:39am

Why allow posting twice in the very first place?

Tom Marvolo Riddle · Answer 2 · 2014-03-12T02:26:00

Solution 2

Try this:

In Button click event :

C#

Button1.Enabled = false;

In postback

C#

Button1.Enabled = true;

Posted 12-Mar-14 2:26am

Tom Marvolo Riddle

Comments

Ankur^\m/ 12-Mar-14 8:33am

That, as far as I know, doesn't work. I don't remember correctly but either disabled button won't postback at all or the postaback is caused by the button won't be detectable on the server side. I may be wrong though.

Tom Marvolo Riddle 12-Mar-14 8:41am

Hi ankur, when the page loads for the first time
if (!IsPostBack)
{
Button1.Enabled = true; //button get enabled
}

after button click event

protected void Button1_Click(object sender, EventArgs e)
{
Button1.Enabled = false; //button get disabled

}

What's wrong in it?please explain

Ankur^\m/ 13-Mar-14 4:19am

Sorry for the late reply. Just logged in to CP.
That is not what user wants. User wants to avoid multiple clicks. Tell me - does it make sense to disable the button after a postback. What if user wants to update something and submit again? I wouldn't show the button at all rather than keeping it disabled after postback if that is ever required.

Tom Marvolo Riddle 13-Mar-14 5:12am

Sorry for the late reply. Just logged in to CP--No worries

op wrote--I have to perform only one time not multiple times--Thats why i posted this solution.

Thank for the reply Ankur

Ankur^\m/ 13-Mar-14 6:16am

You omitted the very first line of the question (and the subject too). ;)
Please help me how to prevent multiple clicks for a button

I realized that you got the question wrong and that's why I posted a comment.

Tom Marvolo Riddle 14-Mar-14 8:08am

Sorry for the late reply.Thanks again for pointing it. :)

Ankur^\m/ · Answer 3 · 2014-03-12T02:38:00

Solution 3

You can hide the button and show some processing button image instead of it. Google results[^] will give you many other ways along with the code.

Posted 12-Mar-14 2:38am

Ankur^\m/