protected void btnUpdate_Click(object sender, EventArgs e)
        {
            DBOps db = new DBOps();

            string _key   = txtUpdateLab.Text;
            string _value = txtUpdateBuilding.Text;
            string room   = txtUpdateRoom.Text;

            int retval = db.UpdateLabsTable(_key, _value, room);

            lblUpdateInfo.Text = retval.ToString() + " row updated";
            lblUpdateInfo.DataBind();

            RefreshTable();
        }
        protected int gvitem_RowUpdatingcustom(string lab, string building, string roomnumber)
        {
            DBOps db = new DBOps();

            string _key   = lab;
            string _value = building;
            string room   = roomnumber;

            int retval = db.UpdateLabsTable(_key, _value, room);

            lblErr.Text = retval.ToString() + " row updated";
            lblErr.DataBind();

            return(retval);
        }