数据窗口字段编辑时过滤下拉数据窗口

前提：将数据窗口的下tab键用回车键取代。

// event editchanged

datawindowchild    ldw_temp
String ls_filter
Long ll_start
If dwo.Name = 'syjsf02' Then
    This.GetChild('syjsf02',ldw_temp)
    If Trim(Data)='' Or IsNull(Data) Then
        ls_filter = ""
    Else
        ls_filter = "(szzxm01 LIKE '" + Upper(Data) + "%') OR (szzxm08 LIKE '" + Upper(Data) + "%' ) or (szzxm09 like '" + Upper(Data) + "%' ) OR (szzxm02 LIKE '%" + Upper(Data) + "%')"
    End IF
    ldw_temp.SetFilter(ls_filter)
    ldw_temp.Filter()
    ll_start = This.SelectedStart()
    This.SelectText(ll_start,0)
    Return 1
END IF

//event itemchanged

datawindowchild    ldw_temp
dec ldec_dj

if dwo.name = 'syjsf02' then
    This.GetChild('syjsf02', ldw_temp)
    IF ldw_temp.RowCount() <= 0 THEN
        This.SetItem(This.GetRow(),'syjsf02','')
        ldw_temp.SETFILter("")
        ldw_temp.FIlter()
        setitem(row,'dj',0)
        RETURN 1
    else
        This.object.syjsf02[row] = ldw_temp.getitemstring(ldw_temp.getrow() , 'szzxm01')
        ldec_dj = ldw_temp.getItemNumber(ldw_temp.getrow(),'nzzxm07')
        setitem(row,'dj',ldec_dj)
        ldw_temp.SETFILter("")
        ldw_temp.FIlter()
        return 2
    END IF
end if

// ue_enter
datawindowchild ldw_temp
This.GetChild('syjsf02',ldw_temp)
ldw_temp.SETFILter("")
ldw_temp.FIlter()
this.setredraw(true)