TaskContract Single TaskContract TaskContractCode System.String true false 50 WBSCode System.String false true 50 ContractCode System.String false true 50 Select select TaskContractCode, WBSCode, ContractCode from TaskContract where TaskContractCode=@TaskContractCode Text @TaskContractCode TaskContractCode VarChar SelectAll select TaskContractCode, WBSCode, ContractCode from TaskContract Text Insert Insert into TaskContract ( TaskContractCode, WBSCode, ContractCode ) values ( @TaskContractCode, @WBSCode, @ContractCode ) Text @TaskContractCode TaskContractCode VarChar @WBSCode WBSCode VarChar @ContractCode ContractCode VarChar Update Update TaskContract set WBSCode=@WBSCode,ContractCode=@ContractCode where TaskContractCode=@TaskContractCode Text @TaskContractCode TaskContractCode VarChar @WBSCode WBSCode VarChar @ContractCode ContractCode VarChar Delete Delete from TaskContract where TaskContractCode=@TaskContractCode Text @TaskContractCode TaskContractCode VarChar SelectByWBSCode select A.TaskContractCode, A.WBSCode, B.CheckPerson,A. ContractCode,B.ContractName,B.ContractDate,B.Type ,c.SupplierName from TaskContract A,Contract B,Supplier c where a.WBSCode=@WBSCode and A.ContractCode=B.ContractCode and b.SupplierCode=c.SupplierCode Text @WBSCode WBSCode VarChar SelectByContractCode select TaskContractCode, WBSCode, ContractCode from TaskContract where ContractCode=@ContractCode Text @ContractCode ContractCode VarChar