SQL Server 2008使用复选框过滤查询

I have 5 CheckBox and i want to filter data in gridview using checkbox by Star Rating, I want that if user checked CheckBox1 then it show data of Star Raing 1 and user select CheckBox1 and CheckBox2 then it show data of Star Rating 1 and 2 also. I dont want to bind GridView Data using C# Code.I have 5 CheckBox and i want to filter data in