public ComboBox GetTerTypeCmb1(ComboBox cmb) { DataSet ds = areadal.GetTerTypeDataSet(); if (ds.Tables != null && ds.Tables.Count > 0) { cmb.DataSource = null; DataRow dr = ds.Tables[0].NewRow(); dr[0] = 0; dr[1] = "所有"; ds.Tables[0].Rows.InsertAt(dr, 0); cmb.DataSource = ds.Tables[0]; cmb.DisplayMember = "TypeName"; cmb.ValueMember = "TerritorialTypeID"; } return(cmb); }