JS in UserControl not working in all aspx pages

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I have a usercontrol with inbuilt js functions to validate all the controls inside it.The usercontrols is incorporated in 3 aspx pages and it works fine with 2 aspx pages but one although all three aspx pages do not contain any js of their own.

Whenever i click the submit button of the ascx file the js function is not fired at all even if i write alert in it.It gives an error (Object Expected).

Posted 19-Oct-11 20:49pm

Sanchit Rana

Updated 19-Oct-11 20:52pm

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RaisKazi 20-Oct-11 2:50am

Your code please.

Sanchit Rana 20-Oct-11 3:02am

Hi RaisKazi,
Thanks for the response.Here is the sample code.

function test() {
alert('test');
}

<asp:linkbutton id="lnkSubmit" runat="server" validationgroup="User" cssclass="action" onclick="lnkSubmit_Click" onclientclick="return test();" xmlns:asp="#unknown">Submit

The above code is inside the usercontrol and works alright when added to 2 aspx pages but not the third one.

The third page gives a JS error upon click of submit button even if it doesn't contain JS of its own.

Sanchit Rana 20-Oct-11 3:19am

Any Suggestions ?

2 solutions

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AmarSinghRawat · Answer 1 · 2011-10-19T21:46:00

Solution 2

May be in 3rd aspx page there is also test() function. please check.

Posted 19-Oct-11 21:46pm

AmarSinghRawat

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Sanchit Rana 20-Oct-11 5:24am

Thanks Amar .. I have already found the soln.. Look at solution 1..

Anuja Pawar Indore · Answer 2 · 2011-10-19T21:59:00

just check the code by right click and view HTML source, you wont find test function on the page. If this is the case means you have to get the test function on page load of your third page. Its not getting loaded on that page.

you can create your test function in this way

XML

public void RegisterClientScript()
        {

            StringBuilder cstext2 = new StringBuilder();
            cstext2.Append("<script type=\"text/javascript\">  function Test() {");
            cstext2.Append("alert('Test');}");
            cstext2.Append(" </script>");
            ScriptManager.RegisterClientScriptBlock(this, GetType(), "OnClientItemSelected", cstext2.ToString(), false);
        }

and can call this method on the page load of your third page.

UcControl.RegisterClientScript();

Hope it works