页面2 init：
select fjpb01
*!*    选择激活上述表的工作区
*!*    set order to 一批号   && 一批号
go bottom

set multilocks on
*!*    设置成可以进行多个记录锁定的配置
=cursorsetprop("buffering",3)
*!*    设置缓冲区环境为3，即表示行缓冲设定，即指针所指的那个记录，即只是一个记录
thisform.Refresh

命令按钮组中保存按钮的：click

CASE this.Value=3

    cmessagetext="确定要保存吗？"
    ndialogboxtype=4+32+0
    ctitlebartext="信息窗口"
    nanswer=messagebox(cmessagetext,ndialogboxtype,ctitlebartext)
    do case
    case  nanswer=6
   
    gh=0
    ph=0
    jzdh=0
    xmph=0
    mpph=0
    jzrq=""   
    gh=thisform.pageframe1.page1.pageframe1.page2.一罐号1.value
    ph=thisform.pageframe1.page1.pageframe1.page2.一批号1.value
    jzdh=thisform.pageframe1.page1.pageframe1.page2.菌种代号1.value
    xmph=thisform.pageframe1.page1.pageframe1.page2.斜面批号1.value
    mpph=thisform.pageframe1.page1.pageframe1.page2.母瓶批号1.value
    jzrq=thisform.pageframe1.page1.pageframe1.page2.一接种日期1.value
      IF  EMPTY(gh) .or. EMPTY(ph).or. EMPTY(jzdh).or. EMPTY(xmph).or. EMPTY(mpph).or. EMPTY(jzrq)
          ??chr(7)
           cmessagetext="资料不全，不予保存！"
           ndialogboxtype=0+48+0
           ctitlebartext="信息窗口"
           nanswer=messagebox(cmessagetext,ndialogboxtype,ctitlebartext)      
           thisform.pageframe1.page1.pageframe1. .F.
           thisform.pageframe1.page1.pageframe1.
           thisform.refresh
      ELSE
     
*!*              thisform.pageframe1.page1.pageframe1.page2.一批号1.controlsource=""
*!*              thisform.pageframe1.page1.pageframe1.page2.一接种日期1.controlsource=""     
*!*              SELECT fjpb01
*!*              GO TOP
*!*              LOCATE all FOR  一批号=ph   
          LOCATE all FOR  一批号=ph .and.一接种日期=jzrq   
     
          IF EOF()
            =tableupdate(.t.)
            ??chr(7)
           cmessagetext="保存成功！"
           ndialogboxtype=0+48+0
           ctitlebartext="信息窗口"
           nanswer=messagebox(cmessagetext,ndialogboxtype,ctitlebartext)
           thisform.pageframe1.page1.pageframe1. .T.
           thisform.pageframe1.page1.pageframe1. .F.
           thisform.pageframe1.page1.pageframe1. .F.
           xgbz=.F.
           thisform.refresh   
          ELSE
          ??chr(7)
           cmessagetext="记录重复（批号和接种日期同时相同），不予保存！"
           ndialogboxtype=0+48+0
           ctitlebartext="信息窗口"
           nanswer=messagebox(cmessagetext,ndialogboxtype,ctitlebartext)
           delete
           pack
           thisform.pageframe1.page1.pageframe1. .T.
           thisform.pageframe1.page1.pageframe1. .F.
           thisform.pageframe1.page1.pageframe1. .F.
           go bottom
           xgbz=.F.
           thisform.refresh
           endif      
      endif
    case  nanswer=7
        =tablerevert(.T.)
        *!*    对行缓冲区中的记录还原，即还原成空白
        ??chr(7)
        cmessagetext="放弃添加新记录成功！"
        ndialogboxtype=0+48+0
        ctitlebartext="信息窗口"
        nanswer=messagebox(cmessagetext,ndialogboxtype,ctitlebartext)
        thisform.pageframe1.page1.pageframe1. .T.
        thisform.pageframe1.page1.pageframe1. .F.
        thisform.pageframe1.page1.pageframe1. .F.
        go bottom
        xgbz=.F.
        thisform.refresh
    endcase

表中并无重复记录，但保存成功哪些语句无用，直接就报 cmessagetext="记录重复（批号和接种日期同时相同），不予保存！请求高手帮助，谢谢！

LOCATE all FOR  一批号=ph .and.一接种日期=jzrq
IF EOF()    这句下断点查看 “一批号”和“一接种日期”的值

从不用缓冲表，不好控制。