Data1.DatabaseName = ("d:shuju.mdb")
sqlstr = "select *from powercut left join address on powercut.number=address.number"
Data1.RecordSource = sqlstr
DBGrid1.ClearFields(注:DBgrid1已经绑定在Data1上)
DBGrid1.ReBind
dbgrid1.allowupdate=true
dbgrid1.allowdelete=true
通过以上左联接的方式生成的DBgrid为什么不可以删除数据呀?该怎办呀?
sqlstr = "select *from powercut left join address on powercut.number=address.number"
Data1.RecordSource = sqlstr
DBGrid1.ClearFields(注:DBgrid1已经绑定在Data1上)
DBGrid1.ReBind
dbgrid1.allowupdate=true
dbgrid1.allowdelete=true
通过以上左联接的方式生成的DBgrid为什么不可以删除数据呀?该怎办呀?
sqlstr = "select *from powercut left join address on powercut.number=address.number"
Data1.RecordSource = sqlstr
DBGrid1.ClearFields(注:DBgrid1已经绑定在Data1上)
DBGrid1.ReBind
dbgrid1.allowupdate=true
dbgrid1.allowdelete=true
通过以上左联接的方式生成的DBgrid为什么不可以删除数据呀?说明一下,程序中有删除语句,这里没有写出来。只想问这样的表可以删除或者修改数据吗?该怎办呀?