DataTable dt = ds.Tables[0]; //獲得 datatable
DataView dv = new DataView(dt);
DataTable dt2 = dv.ToTable(true, "GongXu"); // 去重,只針對 GongXu 欄位
DataTable dt = ds.Tables[0]; //獲得 datatable
DataView dv = new DataView(dt);
DataTable dt2 = dv.ToTable(true, "GongXu"); // 去重,只針對 GongXu 欄位