专家坐堂-复制当前行数据代码出错Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

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--  专家坐堂  (http://foxtable.net/bbs/list.asp?boardid=2)
----  复制当前行数据代码出错  (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=119807)

--  作者：ZJZK2018
--  发布时间：2018/6/1 10:55:00
--  复制当前行数据代码出错
老师你好：
  复制当前行数据代码出错，我的需求是：打开副表时，自动增加4行，并把当前行的相关数据复制到新增这个4行中。
下面这段代码如何修改：

Dim tp As WinForm.TabControl = e.sender
Select Case tp.SelectedPage.Text
Case "批量录入"

If Tables("原材料").Rows.Count = 0 Then \'如果是一个空表
Return \'那么返回
End If
Dim idxs As String = "-1,"
Dim dr As Row = Tables("原材料").Current
For Each dc As Col In Tables("原材料").Cols
For i As Integer = 1 To 4
Dim nr As Row = Tables("原材料进场录入_Table1").AddNew
idxs & = nr("_Identify") & ","
nr(i) = dr(dc.Name)
Next
Next
Tables("原材料进场录入_Table1").filter = "_Identify in (" & idxs.Trim(",") & ")"
End Select

--  作者：有点甜
--  发布时间：2018/6/1 11:17:00
--

改成

Dim tp As WinForm.TabControl = e.sender
Select Case tp.SelectedPage.Text
    Case "批量录入"

        If Tables("原材料").Rows.Count = 0 Then \'如果是一个空表
            Return \'那么返回
        End If
        Dim idxs As String = "-1,"
        Dim dr As Row = Tables("原材料").Current
        For Each dc As Col In Tables("原材料").Cols
            For i As Integer = 1 To 4
                Dim nr As Row = Tables("原材料进场录入_Table1").AddNew
                idxs & = nr("_Identify") & ","
                nr(dc.name) = dr(dc.Name)
            Next
        Next
        Tables("原材料进场录入_Table1").filter = "_Identify in (" & idxs.Trim(",") & ")"
End Select

--  作者：ZJZK2018
--  发布时间：2018/6/1 11:30:00
--
老师还是不对：

此主题相关图片如下：1527823829(1).png

--  作者：有点甜
--  发布时间：2018/6/1 11:37:00
--
Dim tp As WinForm.TabControl = e.sender
Select Case tp.SelectedPage.Text
    Case "批量录入"

        If Tables("原材料").Rows.Count = 0 Then \'如果是一个空表
            Return \'那么返回
        End If
        Dim idxs As String = "-1,"
        Dim dr As Row = Tables("原材料").Current
        For i As Integer = 1 To 4
            Dim nr As Row = Tables("原材料进场录入_Table1").AddNew
            idxs & = nr("_Identify") & ","
            For Each dc As Col In Tables("原材料").Cols
                nr(dc.name) = dr(dc.Name)
            Next
        Next
        Tables("原材料进场录入_Table1").filter = "_Identify in (" & idxs.Trim(",") & ")"
End Select

--  作者：ZJZK2018
--  发布时间：2018/6/1 12:25:00
--
有点甜老师你好：
我还有个需求：如果当前行为新增行时，如何同时增加到“原材料进场录入_Table1”表中，如果当前行不为新增行时，就不能增加到“原材料进场录入_Table1”表中
Dim tp As WinForm.TabControl = e.sender
Select Case tp.SelectedPage.Text
Case "批量录入"

If Tables("原材料").Rows.Count = 0 Then \'如果是一个空表
Return \'那么返回
End If
Dim idxs As String = "-1,"
Dim dr As DataRow = Tables("原材料").Current.DataRow
If dr.RowState = DataRowState.Detached Then
Tables("原材料进场录入_Table1").filter = "dr.RowState = DataRowState.Detached "
End If
For i As Integer = 1 To 4
Dim nr As Row = Tables("原材料进场录入_Table1").AddNew
idxs & = nr("_Identify") & ","
For Each dc As Col In Tables("原材料").Cols
nr(dc.name) = dr(dc.Name)
Next
Next
Tables("原材料进场录入_Table1").filter = "_Identify in (" & idxs.Trim(",") & ")"
End Select

--  作者：有点甜
--  发布时间：2018/6/1 15:04:00
--

这个意思

Dim tp As WinForm.TabControl = e.sender
Select Case tp.SelectedPage.Text
    Case "批量录入"
        If Tables("原材料").Rows.Count = 0 Then \'如果是一个空表
            Return \'那么返回
        End If
        Dim idxs As String = "-1,"
        Dim dr As DataRow = Tables("原材料").Current.DataRow
        If dr.RowState = DataRowState.Unchanged Then
            For i As Integer = 1 To 4
                Dim nr As Row = Tables("原材料进场录入_Table1").AddNew
                idxs & = nr("_Identify") & ","
                For Each dc As Col In Tables("原材料").Cols
                    nr(dc.name) = dr(dc.Name)
                Next
            Next
            Tables("原材料进场录入_Table1").filter = "_Identify in (" & idxs.Trim(",") & ")"
        End If
End Select