want to check a condition while click on button

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Hi,
I want to check a condition while click on button.
i call a script to the button for getting a message box.
like this
-----------
.aspx page

XML

<script type = "text/javascript">
        function Confirm() {
            var confirm_value = document.createElement("INPUT");
            confirm_value.type = "hidden";
            confirm_value.name = "confirm_value";
            if (confirm("Do you want to save data?")) {
                confirm_value.value = "Yes";
            } else {
                confirm_value.value = "No";
            }
            document.forms[0].appendChild(confirm_value);
        }
    </script>

XML

<asp:CheckBox ID="chkbox" runat="server" />
   <asp:Button ID="btnConfirm" runat="server" OnClick = "OnConfirm" Text = "Raise Confirm" OnClientClick = "Confirm()"/>

.cs File

C#

public void OnConfirm(object sender, EventArgs e)
    {
        string confirmValue = Request.Form["confirm_value"];
        if (confirmValue == "Yes")
        {
            this.Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "alert('You clicked YES!')", true);
        }
        else
        {
            this.Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "alert('You clicked NO!')", true);
        }
    }

NOW I WANT TO CHECK THE CHECK BOX IS SELECT OR NOT DURING THE BUTTON CLICK

Posted 21-Mar-13 23:23pm

manjujasmine

Updated 21-Mar-13 23:54pm

Maciej Los

v2

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pryashrma 23-Mar-13 3:13am

do it in javascript

2 solutions

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Lokesh Zende · Answer 1 · 2013-03-23T00:45:00

Solution 2

Hi Manju,
You can get the value of the checkbox control in your javascript function

JavaScript

function Confirm() {
// your code here
 var chk = document.getElementById("chkbox").checked;
 alert(chk );
}

Hope this helps you.

Regards,
Lok..

Posted 23-Mar-13 0:45am

Lokesh Zende

sawant parag · Answer 2 · 2013-03-21T23:36:00

Solution 1

use Confirm function of javascript []

And no need to check in the

C#

public void OnConfirm(object sender, EventArgs e)

again for the Yes or NO clicked by user.
public void OnConfirm(object sender, EventArgs e)
will be called only if the user click Yes.

Posted 21-Mar-13 23:36pm

sawant parag