Hi,
I followed the below article to create multiple file upload option:
http://humrahimcs.wordpress.com/2011/04/15/dynamically-create-multiple-file-upload-control-with-asp-net-c/
However, I have made some changes to the code, as below:
//javascript
function AddNewRow() {
var rownum = 1;
var div = document.createElement("div");
var divid = "dv" + rownum;
div.setAttribute("ID", divid);
rownum++;
var lbl = document.createElement("label");
lbl.setAttribute("ID", "lbl" + rownum);
lbl.setAttribute("class", "label1");
lbl.innerHTML = "Attach file:";
rownum++;
var _upload = document.createElement("input");
...
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