Enabling Disabling button asp .net - using javascript?

If you're using jQuery, use $().val(). Length to get the size, then you can set the button's disabled attribute with $(). Attr('disabled',false).

Thanks for your help but I got it to work using pure javascript for normal forms. But since my textbox and button are inside asp . Net contentplaceholder I am unable to get it ID of the button which I want to use it at the runtime.

I am forced to write like this: document. GetElementById("ctl00_ctl00_phContent_phPageContent_btnSearch"). Disable?

D = false; instead of document. GetElementById("btnSearch"). Disabled = false; – VVV Sep 29 at 21:37 Oooh I see what the real issue is now.

You can access the id of a control by inserting some code behind code in your asp by using: given your button is named btnSearch in the code behind. So, you could do this with jQuery: $("") to get the jQuery object of your button, or you could do this with pure js: document. GetElementById("") – kand Sep 30 at 14:34.

In order to use the document. GetElementById in asp. Net and not have to use the full name, you should let asp.Net provide it.

Instead of: document. GetElementById("ctl00_ctl00_phContent_phPageContent_btnSearch") Try: document. GetElementById('') Where btnName is the asp:Button Id.

The.

I got this to work with a HTML text box, I don't think you can do it with a asp. Net text box.

Thanks for your help but I got it to work using pure javascript for normal forms. But since my textbox and button are inside asp . Net contentplaceholder I am unable to get it ID of the button which I want to use it at the runtime.

I am forced to write like this: document. GetElementById("ctl00_ctl00_phContent_phPageContent_btnSearch"). Disable?

€Œâ€‹d = false; instead of document. GetElementById("btnSearch"). Disabled = false; – VVV Sep 29 at 21:44.

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