Sunday, May 5, 2013

How to check checkbox is checked or unchecked on button click in asp.net,c# using java script.

This article to check checkbox is checked or uncheked on button click.I am using java script here to validate
checkbox on client side.

Lets take a checkbox

<asp:CheckBox ID="chkbox" runat="server"  />

and a button
Now create function in java script like that.


<script type="text/javascript">

        function ValidCheckbox() {

            var d = document.getElementById('chkbox');

            if (d.checked) {
                return true;

            }
            else {

             
                return false;
            }

        }
</script>



Now call the java script function on button click

<asp:Button ID="Button1" runat="server" OnClientClick="return ValidCheckbox()" Text="Button" />


Now run it and see the result...

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