Question

104

Javascript to access control in MasterPage

rated 0 times [ 111] [ 7] / answers: 1 / hits: 15398 / 16 Years ago, wed, february 18, 2009, 12:00:00

I have a textbox control Super1 in my MasterPage.

I am using javascript to access this control from my content page like this:

<asp:Content ID=ContentPage ContentPlaceHolderID=ContentPlaceHolder1 Runat=Server>

<script type=text/javascript>

    function Somethin() {

        {

            document.forms[0].elements['Super1'].value = sdfsd;

            //document.getElementById('<%=Super1.ClientID%>').value = sdfsdf;                

        }

    }

</script>

</asp:Content>

But while page load it says Super1 not found. How can I access Super1?

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ellisw

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answered 16 Years ago iliana · Accepted Answer

In your masterpage's onload add this code :

string script = @<script>

function Somethin() {

        document.getElementById(' + Super1.ClientID + @').value = 'sdfsd';               

}



Somethin();

</script>;

if (!Page.ClientScript.IsClientScriptBlockRegistered(somethin_script_block))

{

    Page.ClientScript.RegisterClientScriptBlock(this.GetType(), somethin_script_block, script);

}

this will add your script to the end of the page.

EDIT : I just realized, you use your controls ID directly in your javascript code. this may cause the exception. I update your code to fix it.

I hope this helps.