private void btnSetBOMType_Click(object sender, EventArgs e) { WMS.BOM.frmBOMTypeMaster frm = new frmBOMTypeMaster(); frm.ShowDialog(); DataSet dsBT = new DataSet(); dsBT.ReadXml(NP_Cls.PathBT); DataRow dr = dsBT.Tables[0].NewRow(); dr[0] = 0; dr[1] = "((( Select B.O.M Type )))"; dsBT.Tables[0].Rows.InsertAt(dr, 0); dsBT.AcceptChanges(); this.cbBOMType.DataSource = dsBT.Tables[0]; this.cbBOMType.DisplayMember = "BTDesc"; this.cbBOMType.ValueMember = "BTCode"; }