PreTask Single PreTask PreTaskCode System.String true false 50 WBSCode System.String false true 50 PreWBSCode System.String false true 50 TaskType System.String false true 50 Select select * from PreTask where PreTaskCode=@PreTaskCode Text @PreTaskCode PreTaskCode VarChar SelectAll select * from PreTask Text Insert Insert into PreTask ( PreTaskCode, WBSCode, PreWBSCode, TaskType ) values ( @PreTaskCode, @WBSCode, @PreWBSCode, @TaskType ) Text @PreTaskCode PreTaskCode VarChar @WBSCode WBSCode VarChar @PreWBSCode PreWBSCode VarChar @TaskType TaskType VarChar Update Update PreTask set WBSCode=@WBSCode,PreWBSCode=@PreWBSCode,TaskType=@TaskType where PreTaskCode=@PreTaskCode Text @PreTaskCode PreTaskCode VarChar @WBSCode WBSCode VarChar @PreWBSCode PreWBSCode VarChar @TaskType TaskType VarChar Delete Delete from PreTask where PreTaskCode=@PreTaskCode Text @PreTaskCode PreTaskCode VarChar SelectByWBSCode select *,pretask.tasktype as PreTaskType from task join pretask on task.wbscode=pretask.prewbscode where pretask.wbscode=@WBSCode Text @WBSCode WBSCode VarChar SelectByPreWBSCode select *,pretask.tasktype as PreTaskType from task join pretask on task.wbscode=pretask.wbscode where pretask.prewbscode=@PreWBSCode Text @PreWBSCode PreWBSCode VarChar SelectByWBSCodeAndPreWBSCode select * from pretask where wbscode=@WBSCode and prewbscode=@PreWBSCode Text @WBSCode WBSCode VarChar @PreWBSCode PreWBSCode VarChar