GradeMainDefine Single GradeMainDefine MainDefineCode System.String true false 50 Name System.String false true 100 state System.Int32 false true 4 Select select * from GradeMainDefine where MainDefineCode=@MainDefineCode Text @MainDefineCode MainDefineCode VarChar SelectAll select * from GradeMainDefine Text Insert Insert into GradeMainDefine ( MainDefineCode, Name, state ) values ( @MainDefineCode, @Name, @state ) Text @MainDefineCode MainDefineCode VarChar @Name Name VarChar @state state Int Update Update GradeMainDefine set Name=@Name,state=@state where MainDefineCode=@MainDefineCode Text @MainDefineCode MainDefineCode VarChar @Name Name VarChar @state state Int Delete Delete from GradeMainDefine where MainDefineCode=@MainDefineCode Text @MainDefineCode MainDefineCode VarChar