protected void lnkDelete_Click(object sender, EventArgs e)
        {
            int    indexid  = ((GridViewRow)((LinkButton)sender).Parent.Parent).RowIndex;
            string ID       = grddocumentdata.Rows[indexid].Cells[3].Text;
            string Filename = grddocumentdata.Rows[indexid].Cells[0].Text;

            ManageUserSVC.ManageUserClient Client = new ManageUserSVC.ManageUserClient();
            Client.DeleteDocument(Convert.ToInt32(ID));

            if (File.Exists(Request.PhysicalApplicationPath + "Downloads//" + Filename))
            {
                File.Delete(Request.PhysicalApplicationPath + "Downloads//" + Filename);
            }
            DocumentBind();
        }