ASP.NET如何保留两位小数点

问题：要在Datagrid中显示时间为2.08小时，我在SQL中这样处理：SELECT 125 / 60.00 AS float但在Datagrid中显示为2.083333，请问如何写代码只保留两位小数点2.08?______________________________________________________________________________________________答1：float（7，2）2表示保留两位小数______________________________________________________________________________________________答2：float（8，2）？在哪写呢？ ______________________________________________________________________________________________答3：在datagrid的属性生成器中，列，数据格式设置表达式加上：{0:f2}______________________________________________________________________________________________答4：1.在sql语句中：select convert(dt,numeric(5,2)) from
2.在datagrid的绑定列的数据格式一栏添加：{0:f2}______________________________________________________________________________________________答5：任选其一______________________________________________________________________________________________答6：是这样写吗“select convert(125/60.00,numeric(5,2)) from ”？这样写运行时出错啦...
______________________________________________________________________________________________答7：select round(125/60.00,2)______________________________________________________________________________________________答8：select cast(125/60.00 as numeric(5,2))______________________________________________________________________________________________答9：Thank you.请问使用round和cast有何区别？______________________________________________________________________________________________答10：把数据库中的相应字段设置为decimal,然后把他的小数位改成2______________________________________________________________________________________________答11：在Datagrid的OnItemDataBound事件中写e.item.cell[0].text = float（7，2).Tostring()就在dg中第0列中转换并显示出来了
______________________________________________________________________________________________答12：方法确定很多1、设计字段时类型为numeric,小数位设置成22、在sql语句中转换：select convert(字段,numeric(18,2)) AS 字段Ex from 表 如果是datagrid绑定列，则
3、在datagrid的绑定列的属性中这样使用