Javascript stopped working with master page

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When I developed my application with masterpage I enter some validation in content page.

It will work fine, but after some time it will stop working.

This is my javascipt function it is simple but it stopped working.

XML

function reset()
    {
    document.getElementById("<%=txt_fh_name.ClientID%>").value="";
    document.getElementById("<%=txt_mobile.ClientID%>").value="";
    document.getElementById("<%=txt_add.ClientID%>").value="";
    document.getElementById("<%=txt_email.ClientID%>").value="";
    }

Can anybody tell me how to solve this problem or why it is doing like this?
Thanks.

Posted 9-May-12 2:53am

Mohd Imran Saifi

Updated 10-May-12 4:52am

Leonardo Paneque

v3

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Comments

Dylan Morley 9-May-12 9:02am

So what's actually happening when it's 'not working'? Have you used your debugger of choice (Firebug, Chrome, IE Developer tools) to analyse why it's not working. Any script errors being reported?

Try adding break points, looking for errors....you can figure this out yourself.

Sandeep Mewara 9-May-12 9:26am

You need to elaborate more on 'not working' part.

Zoltán Zörgő 9-May-12 16:12pm

Are you sure, that those elements have unique ID's all the time? Look at the generated html code. But a debugger is indispensable...

2 solutions

Solution 2

Check your html source code and check the generated id's of the controls..are they same...

or try document.getElementByName instead of using document.getElementByID

let me know what happens..?

make it answer if it works...

Thanks
Ashish

Posted 10-May-12 4:38am

AshishChaudha

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jainmayank08 · Accepted Answer · 2012-05-09T23:22:00

When We are Using Master Pages and Put our content in ContentPlace Holder then the ID of the control will be changed you can see in the source code your textbox ID will start with "ct100" so sometime there will be a issue that while using

document.getElementById("<%=txt_fh_name.ClientID%>").value="";
will not able to get ID

The easiest way is just copy the rendered ID from source code and put in the
getElementById method it will work properly.