Progress bar in ASP.NET for imported/exported table data -

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i have asp.net application in data getting imported/exported. wish have progressbar, below.

a table 1 row , cells keep on adding. once row full, empty row , add new cells same row.

for think need have thread functionality keep "rendering table" client without postback while export/import.

how can that?

the following code doesn't use table, instead divs, should you're after. included html , body tags can copy , paste see looks like. client side of course, , not depend on asp.net, idea start progress bar onsubmit event, , response page doesn't start loading until data inport/export has completed

<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd"> <html><body> <div id="progressdiv" style="width:100%;"></div>  <script type="text/javascript">     timerid = setinterval("addblock()", 100);     function addblock()     {         var progressdiv = document.getelementbyid('progressdiv')         var div = document.createelement('div');          div.style.display = 'block';         div.style.cssfloat = 'left';         div.style.stylefloat = 'left';         div.style.width = '10px';         div.style.height = '10px';         div.style.backgroundcolor = 'red';         div.style.border = '1px solid black';          progressdiv.appendchild(div);         if (progressdiv.childnodes.length == 20)             while (progressdiv.haschildnodes())                 progressdiv.removechild(progressdiv.firstchild);     } </script> </body></html>

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