SendMsg Single SendMsg SendMsgCode System.String true false 50 SendUsercode System.String false true 50 ToUsercode System.String false true 50 Msg System.String false true 4000 Sendtime System.DateTime false true 8 State System.String false true 50 senddel System.String false true 50 todel System.String false true 50 Flag System.String false true 2000 Select select * from SendMsg where SendMsgCode=@SendMsgCode Text @SendMsgCode SendMsgCode VarChar SelectAll select * from SendMsg Text Insert Insert into SendMsg ( SendMsgCode, SendUsercode, ToUsercode, Msg, Sendtime, State, senddel, todel, Flag ) values ( @SendMsgCode, @SendUsercode, @ToUsercode, @Msg, @Sendtime, @State, @senddel, @todel, @Flag ) Text @SendMsgCode SendMsgCode VarChar @SendUsercode SendUsercode VarChar @ToUsercode ToUsercode VarChar @Msg Msg VarChar @Sendtime Sendtime DateTime @State State VarChar @senddel senddel VarChar @todel todel VarChar @Flag Flag VarChar Update Update SendMsg set SendUsercode=@SendUsercode,ToUsercode=@ToUsercode,Msg=@Msg,Sendtime=@Sendtime,State=@State,senddel=@senddel,todel=@todel,Flag=@Flag where SendMsgCode=@SendMsgCode Text @SendMsgCode SendMsgCode VarChar @SendUsercode SendUsercode VarChar @ToUsercode ToUsercode VarChar @Msg Msg VarChar @Sendtime Sendtime DateTime @State State VarChar @senddel senddel VarChar @todel todel VarChar @Flag Flag VarChar Delete Delete from SendMsg where SendMsgCode=@SendMsgCode Text @SendMsgCode SendMsgCode VarChar