protected void btnSearch_Click(object sender, EventArgs e) { FileManagement flMgmt = new FileManagement(); Guid FileId = new Guid(ddlOffice.SelectedValue); decimal FileNo = Convert.ToDecimal(txtFileSlNo.Text); decimal FileYear = Convert.ToDecimal(txtFileYear.Text); string FilePreFix = txtFilePrefix.Text; string curfileid = (flMgmt.GetFileIDByFileNoAndOffice(FileId, FileNo, FilePreFix, FileYear)).ToString(); Session["fileId"] = curfileid; if (Session["fileId"].ToString() == (Guid.Empty).ToString()) { } else { //mvUpload.SetActiveView(mvUpload.Views[1]); } }