The following is my code the table appears successfully but whenever I click on submit button to upload I got a popup message says:"Please browse files to upload", Why did I miss:

 

 

 

 

 

<div>

<asp:LinkButton runat="server" ID="BrowseButton" Text="Select Files To Upload" />

</div>

<div id="Div1" style="display: none;">

<div id="Div2">

</div>

<div style="font-size:larger;padding-left:100px;margin:4px;">

<a href="#" onclick="cancelalltasks();return false;">Cancel all tasks.</a>

</div>

</div>

<div>

<asp:UpdatePanel ID="UpdatePanel2" runat="server">

<ContentTemplate>

<CuteWebUI:UploadAttachments runat="server" ID="UploadAttachments1" ManualStartUpload="true" InsertButtonID="BrowseButton">

</CuteWebUI:UploadAttachments>

<br />

<br />

<asp:Button runat="server" ID="Button1" OnClientClick="return submitbutton_click2()" Text="Upload" OnClick="SubmitButton_Click" />

<br />

<br />

<script type="text/javascript">

 

function submitbutton_click2()

{

var submitbutton=document.getElementById('<%=Button1.ClientID %>');

var uploadobj=document.getElementById('<%=UploadAttachments1.ClientID %>');

if(!window.filesuploaded)

{

if(uploadobj.getqueuecount()>0)

{

uploadobj.startupload();

}

else

{

var uploadedcount=parseInt(submitbutton.getAttribute("itemcount"))||0;

if(uploadedcount>0)

{

return true;

}

alert("Please browse files for upload");

}

return false;

}

window.filesuploaded=false;

return true;

}

function CuteWebUI_AjaxUploader_OnPostback()

{

window.filesuploaded=true;

var submitbutton=document.getElementById('<%=Button1.ClientID %>');

submitbutton.click();

return false;

}

</script>

</ContentTemplate>

</asp:UpdatePanel>

</div>

<script>

var uploader=document.getElementById("<%=UploadAttachments1.ClientID %>");

uploader.handlequeueui=myqueueuihandler;

function myqueueuihandler(list)

{

if(list.length<2)

{

document.getElementById("queuediv").style.display="none";

}

else

{

document.getElementById("queuediv").style.display="";

var container=document.getElementById("queuedivtablecontainer");

container.innerHTML="";

 

var totalsize=0;

var table=document.createElement("table");

table.style.borderCollapse="collapse";

table.cellSpacing=0;

table.cellPadding=4;

table.border=1;

table.borderColor="darkgreen";

 

for(var i=0;i<list.length;i++)

{

var name=list[i ].FileName

var size=(list[i ].FileSize / 1024 ) / 1024 // (or -1)

var stat=list[i ].Status // Finish|Error|Upload|Queue

var func=list[i ].Cancel;

 

var row=table.insertRow(-1);

 

row.insertCell(-1).innerHTML=name;

row.insertCell(1).innerHTML=size + ' MB';

totalsize += size;

var last=row.insertCell(-1);

if(stat=="Queue")

{

var btn=document.createElement("A");

btn.href="BLOCKED SCRIPTvoid(0)";

btn.onclick=func;

btn.innerHTML="Cancel";

last.appendChild(btn);

}

else

{

last.innerHTML=stat;

}

}

var row=table.insertRow(-1);

 

row.insertCell(-1).innerHTML='<font color=green>Total: ' + list.length + ' files</font>';

row.insertCell(1).innerHTML= '<font color=green>' + totalsize + ' MB</font>';

container.appendChild(table);

}

return false; //hide the default;

}

function cancelalltasks()

{

uploader.cancelall();

}

</script>