SysCode Single SysCode CodeName System.String true false 50 CodeRule System.String false true 50 CodeValue System.Int32 false true 4 Select select CodeName, CodeRule, CodeValue from SysCode where CodeName=@CodeName Text @CodeName CodeName VarChar SelectAll select CodeName, CodeRule, CodeValue from SysCode Text Insert Insert into SysCode ( CodeName, CodeRule, CodeValue ) values ( @CodeName, @CodeRule, @CodeValue ) Text @CodeName CodeName VarChar @CodeRule CodeRule VarChar @CodeValue CodeValue Int Update Update SysCode set CodeRule=@CodeRule,CodeValue=@CodeValue where CodeName=@CodeName Text @CodeName CodeName VarChar @CodeRule CodeRule VarChar @CodeValue CodeValue Int Delete Delete from SysCode where CodeName=@CodeName Text @CodeName CodeName VarChar