Question

我被困在这里，我想将5个文本框中的数据插入到列中的现有excel文件中。我找到了代码但是按行插入。我有一个代码，找到最后一个非空行，从那一行我想移动到下一行并在那里插入数据，例如最后一行是A2，我想将新数据插入A3，B3，C3，D3 ，E3。

我无法为此获得正确的循环。

Dim lRow As Long = 0
    Call OpenExcelFile("C:\Users\PB\Desktop\BookRecords.xlsx", 1)

    With xlWorkSheet
        If EXL.WorksheetFunction.CountA(.Cells) <> 0 Then
            lRow = .Cells.Find(What:="*", _
                          After:=.Range("A2"), _
                          LookAt:=Excel.XlLookAt.xlPart, _
                          LookIn:=Excel.XlFindLookIn.xlFormulas, _
                          SearchOrder:=Excel.XlSearchOrder.xlByRows, _
                          SearchDirection:=Excel.XlSearchDirection.xlPrevious, _
                          MatchCase:=False).Row
        Else
            lRow = 1


        End If
        lRow += 1

    End With
    MessageBox.Show("The last row in Sheet1 which has data is " & lRow)
    Dim j As Integer
    j = 3
    For i As Integer = j To 8
        xlWorkSheet.Range(xlWorkSheet.Cells(lRow + 1, j).item).Value = txtTitle.Text
        xlWorkSheet.Range(xlWorkSheet.Cells(lRow + 1, j).item).Value = txtAuthor.Text
        xlWorkSheet.Range(xlWorkSheet.Cells(lRow + 1, j).item).Value = txtEdition.Text
        xlWorkSheet.Range(xlWorkSheet.Cells(lRow + 1, j).item).Value = txtPublisher.Text
        xlWorkSheet.Range(xlWorkSheet.Cells(lRow + 1, j).item).Value = txtISBN.Text
    Next
    j += 1

    Call SaveAndCloseExcelSub()

Answer 1

这有用吗：

Dim j As Integer
j = 3
For i As Integer = j To 8
MsgBox("Cell column: " & ColumnNumberToName(i))
Next

将数字转换为Excel列名称的代码（A-Z，AA等）：

Public Shared Function ColumnNumberToName(columnNumber As Int32) As String
Dim dividend As Int32 = columnNumber
Dim columnName As [String] = [String].Empty
Dim modulo As Int32
While dividend > 0
    modulo = (dividend - 1) Mod 26
    columnName = Convert.ToChar(65 + modulo).ToString() + columnName
    dividend = DirectCast(((dividend - modulo) / 26), Int32)
End While

Return columnName
End Function

Public Shared Function ColumnNameToNumber(columnName As [String]) As Int32
If [String].IsNullOrEmpty(columnName) Then
    Throw New ArgumentNullException("columnName")
End If
Dim characters As Char() = columnName.ToUpperInvariant().ToCharArray()
Dim sum As Int32 = 0
Dim i As Int32 = 0
While i < characters.Length
    sum *= 26
    sum += (characters(i) - "A"C + 1)
    System.Math.Max(System.Threading.Interlocked.Increment(i),i - 1)
End While
Return sum
End Function

Answer 2

实际上，你所有的值都被写入同一个单元格;然后你向下移动一行再做一次。单元格被称为（行，列） - 因此您需要像这样更改代码：

Dim j As Integer
j = 3
For i As Integer = j To 8
    xlWorkSheet.Cells(lRow + i, 1).Value = txtTitle.Text
    xlWorkSheet.Cells(lRow + i, 2).Value = txtAuthor.Text
    xlWorkSheet.Cells(lRow + i, 3).Value = txtEdition.Text
    xlWorkSheet.Cells(lRow + i, 4).Value = txtPublisher.Text
    xlWorkSheet.Cells(lRow + i, 5).Value = txtISBN.Text
Next

如果您向i = 3添加lRow，则不确定是否需要dim i as Integer i = 1; ' if you want column A With xlWorkSheet .Cells(lRow , i).Value = txtTitle.Text .Cells(lRow + 1, i).Value = txtAuthor.Text .Cells(lRow + 2, i).Value = txtEdition.Text .Cells(lRow + 3, i).value = txtPublisher.Text .Cells(lRow + 4, i).Value = txtISBN.Text End With，但我相信您可以解决这个问题。

如果您想要逆转订单，请执行此操作（此示例仅复制一批文本...我开始怀疑不需要循环）

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如何使用vb.net将数据从文本框插入excel？

2 个答案: