Foxtable(狐表)用户栏目专家坐堂 → [求助]若想要空置复制后,不显示为0的话,应该怎么改代码?


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主题:[求助]若想要空置复制后,不显示为0的话,应该怎么改代码?

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[求助]若想要空置复制后,不显示为0的话,应该怎么改代码?  发帖心情 Post By:2019/3/21 17:32:00 [只看该作者]

Dim Cols1() As String = {"入库编号","品名规格","工序","单位","入库单价","客户数量","过磅数量","应收金额","出库"}
Dim Cols2() As String = {"入库编号","品名规格","工序","单位","入库单价","客户数量","过磅数量","应收金额","出库"}
For Each dr1 As DataRow In DataTables("入库明细表").Select("[出库] = true")
    Dim dr2 As DataRow = DataTables("出库明细表").AddNew()
    For i As Integer = 0 To Cols1.Length -1
        dr2(Cols2(i)) = dr1(Cols1(i))
    Next
    dr2("客户") = e.Form.Controls("TextBox1").text
    dr1("已出库") = True
Next

"入库明细表"的数据列,若是字符列,则可以完美复制到"出库明细表"中,包括为空的单元格内容,在"出库明细表"中会不显示0;
但是,"入库明细表"的数据列,若是整数列的话,则复制到"出库明细表"中,单元格为空的内容,在"出库明细表"中显示的却是0;
若想要空置复制后,不显示为0的话,应该怎么改代码?

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  发帖心情 Post By:2019/3/21 18:01:00 [只看该作者]

Dim Cols1() As String = {"入库编号","品名规格","工序","单位","入库单价","客户数量","过磅数量","应收金额","出库"}
Dim Cols2() As String = {"入库编号","品名规格","工序","单位","入库单价","客户数量","过磅数量","应收金额","出库"}
For Each dr1 As DataRow In DataTables("入库明细表").Select("[出库] = true")
    Dim dr2 As DataRow = DataTables("出库明细表").AddNew()
    For i As Integer = 0 To Cols1.Length -1
        If dr1.IsNull(Cols1(i)) Then
            dr2(Cols2(i)) = Nothing
        Else
            dr2(Cols2(i)) = dr1(Cols1(i))
        End If
    Next
    dr2("客户") = e.Form.Controls("TextBox1").text
    dr1("已出库") = True
Next

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