I'm success testing demo "multiple-files-upload-control-file-number", but when i define "InsertButtonID='Uploader1Insert'", it always enable the upload button, below is my code, i test visible and enable attribute both in InsertButton and personal defined div Uploader1Insert, hope could get reply soon, thanks a lot
base.OnPreRender(e);
if (UploadAttachments1.Items.Count>= 3)
{
Uploader1Insert.Visible = false;
UploadAttachments1.InsertButton.Enabled = false;
}
else
{
Uploader1Insert.Visible = true;
UploadAttachments1.InsertButton.Enabled = true;
}