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javascriptasp.netbuttonbuttonclick
WSS K
WSS K

Reputation: 35

javascript button click and asp.net button click

I want to click a button (ASP.net) - which needs to run a JS method and if its true, then it has to call the ASP.Net - ie., i hv a form, and if its validated(JS returning true) in the client side - then only my asp.net button -click event must fire.

How to do this?

Upvotes: 1

Views: 3881

Answers (3)

Brian Mains
Brian Mains

Reputation: 50728

If you want to run something only on one response, use @Cybernate's example but modified:

<asp:Button ...  OnClientClick="if (yourValidationMethod() == false) return false;" />

If invalid, the return false would block the postback, otherwise normal postback happens.

Upvotes: 1

Chandu
Chandu

Reputation: 82943

Try OnClientClick attribute of asp:Button i.e.

<asp:Button ...  OnClientClick="return yourValidationMethod()" />

Make sure that your validation method returns true or false based on the validation.

Upvotes: 3

Ilya Volodin
Ilya Volodin

Reputation: 11266

Use OnClientClick property for ASP.NET button. Return false if validation failed, return true if it succeeded.

Upvotes: 1

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