private void BindData() { VAM24_BCO BCO = new VAM24_BCO(ConnectionDB); ArrayList parameterList = new ArrayList(); parameterList.Add(ViewState["CurrentID"].ToString()); DataTable dt = BCO.GetTranItem(parameterList); GridView1.DataSource = dt; GridView1.DataBind(); ItemData = dt; TabContainer2.Visible = true; FillTextBoxData(ViewState["CurrentID"].ToString()); }