ContractModel Single ContractModel ContractModelCode System.String true false 50 ContractModelName System.String false true 200 Content System.String false true 2147483647 Type System.String false true 50 Select select ContractModelCode, ContractModelName, Content, Type from ContractModel where ContractModelCode=@ContractModelCode Text @ContractModelCode ContractModelCode VarChar SelectAll select ContractModelCode, ContractModelName, Content, Type from ContractModel Text Insert Insert into ContractModel ( ContractModelCode, ContractModelName, Content, Type ) values ( @ContractModelCode, @ContractModelName, @Content, @Type ) Text @ContractModelCode ContractModelCode VarChar @ContractModelName ContractModelName VarChar @Content Content Text @Type Type VarChar Update Update ContractModel set ContractModelName=@ContractModelName,Content=@Content,Type=@Type where ContractModelCode=@ContractModelCode Text @ContractModelCode ContractModelCode VarChar @ContractModelName ContractModelName VarChar @Content Content Text @Type Type VarChar Delete Delete from ContractModel where ContractModelCode=@ContractModelCode Text @ContractModelCode ContractModelCode VarChar