public ComboBox GetTerNameCmb(ComboBox cmb) { DataSet ds = areadal.GetTerNameDataSet(); 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 = "TerritorialName"; cmb.ValueMember = "TerritorialID"; } return(cmb); }