弗瑞斯达

摘要： 显示： private void DataTableTest1_Load(object sender, EventArgs e) { string sql = "select *,单价*数量*(1-折扣) as 总价 from dbo.订单明细"; DataColumn c = new DataColumn("单价提示", typeof(System.Boolean), "iif(单价>10,true,false)"); DataTable tbl = Rabbit.DBUtility.DBHelpe... 阅读全文