Validation on javascript in button and post back if it returns true

[muthukumaran08]

I have textboxes and dropdownlist on my page. And i have image button when i click this image button i m validating textboxes on javascript and if it returns true, i need to do a post back to save the values. If it is returns false it should not post back.

Please do help me on this.

[ZiadElmalki]

You can use the OnClientClick property. Return false to cancel the submit.

<asp:Button
runat="server"
Text="Ok"
OnClientClick=" javascript:retu rn confirm('Do you want to submit?');" />