下面代码是表事件,问题一:如何转为组合框的值改变后事件?问题二:Filter如何查后台数据?
Select Case e.DataCol.Name
Case "编号"
Dim Filter As String = "[编号] = '" & e.DataRow("编号") & "'"
Dim drs As List(Of DataRow) = DataTables("双窗口_Table4").Select(Filter)
Dim nms() As String = {"编号", "品名"}
For Each dr As DataRow In drs
Dim dr1 As Row = Tables("窗口_Table2").Rows.AddNew() '
For Each nm As String In nms
dr1(nm) = dr(nm)
Next
Next
End Select
[此贴子已经被作者于2025/5/5 10:28:30编辑过]
1、
Dim Filter As String = "[编号] = '" & e.sender.text & "'"
Dim Filter As String = "[产品编号] = '" & e.sender.text & "'"
Dim drs As List(Of DataRow) = DataTables("双窗口_Table4").Select(Filter)
Dim nms() As String = {"产品编号", "品名"}
For Each dr As DataRow In drs
Dim dr1 As Row = Tables("窗口_Table2").Rows.AddNew() '
For Each nm As String In nms
dr1(nm) = dr(nm)
Next
Next
执行后,如下图问题,如何改,组合框录入后,下面表("窗口_Table2")的数据相应显示或加载出来?
此主题相关图片如下:改变-1.jpg

这个对
SQLTable型Table,模拟关联无效,无法实现产品编号的组合框的值改变后事件,("窗口_Table2")从"窗口_Table4"取与其匹配的所值?需求:实现产品编号的组合框的值改变后事件,("窗口_Table2")从"窗口_Table4"取与其匹配的所值,如何改?
[此贴子已经被作者于2025/5/17 9:38:47编辑过]
是修改部分代码?老版升有难度,不打开
[此贴子已经被作者于2025/5/17 11:25:46编辑过]