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1

i am writting the javascript function like this

 function PreviewImg(imgFile, labelid,frameid) {
labelid.innerHTML = imgFile.value;
document.getElementById('btnupload').click();
}

Above code document.getElementById('btnupload').click(); is the error but firfox browser is supported but i have support IE8 , pls give me suggestion error is htmlfile: Access is denied.

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use JQuery for fuly cross-browser javascript ! –  Davide Piras Oct 22 '11 at 10:41
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2 Answers

up vote 2 down vote accepted

this one also works for me.

document.getElementById('ctl00_btnupload').click();

but you can test it by yourself. Good luck..

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It is also not working same error occured –  hmk Oct 24 '11 at 6:57
 
try this one: document.getElementById('<%=btnUpload.clientID%>').click(). may be this one working. –  spiritUMTP Nov 9 '11 at 5:51
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up vote 2 down vote 
document.getElementById('<%= btnupload.ClientID %>').click();
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