我在同一個Excel工作簿中有兩個excel表Sheet1和Sheet2。在Sheet1中,我有 以下數據,如圖片1。 我只是想將A列,B列和總數複製到sheet2。 在VBA我用這個code.Which工作正常,但是當我將它轉換爲 VB.Net如何在excel中查找最後一列並在VB.Net中複製
Sub VBA()
Sheets("Sheet1").Select
Range("A2:B4").Select
Range(Selection, Selection.End(xlDown)).Select
Selection.Copy
Sheets("Sheet2").Select
Range("A2").Select
ActiveSheet.Paste
Sheets("Sheet1").Select
Range("A2").Select
Selection.End(xlToRight).Select
Range(Selection, Selection.End(xlDown)).Select
Selection.Copy
Sheets("Sheet2").Select
Range("C2").Select
ActiveSheet.Paste
End Sub
在VB.Net我使用這個代碼將數據從工作表Sheet1到Sheet2複製問題就出現了。
Private Sub Button1_Click
Dim xlApp As New Excel.Application
Dim xlwb As Excel.Workbook
Dim xlsheet, xlsheet2 As Excel.Worksheet
Dim lCol As Long = 0
Dim xlsourceRange, xlDestRange As Excel.Range
with xlApp
.visible = True
xlwb = .workbooks.open("D:\test.xlsx")
xlsheet = xlwb.Sheets("Sheet1")
xlsheet2 = xlwb.Sheets("Sheet2")
xlSourceRange = xlSheet.Range("A2:B2000")'This is copies Column A and Column B
xlDestRange = xlsheet2.Range("A2")
xlSourceRange.Copy(xlDestRange)
End with
End Sub
End Class
真正的問題是要複製第一列中的總數,如圖片1所示。我無法將其複製到sheet2,因爲數據在sheet1中不固定,而是向右增加。我的意思是,在目前的Senario中,我有6位客戶,從c列到H,總數在第1列。但是如果有另外兩位客戶,Total列從第I列移動到第K列。在這方面的任何幫助都非常實用。
Manny感謝來自MSDN的Kevin尋找時間來回答這個問題。來自Kenvin。 從註釋開始,事情並不像以下解釋的那麼簡單。
好的,從你提交的文件中,我認爲得到總數(不知道你想在列中找到哪一個)或者最後一個(13,886)很簡單。使用自動化最後一列失敗,因爲列S是每個Excel的最後一列,Excel的最後一行報告是2628.長話短說我使用下面的第一條SQL語句來猜測最後一行/列(SELECT TOP * 8),將這些值遞增爲1。如果最後一部分工作,我然後選擇總列沒有空單元格值的數據,這當然會刪除Total以上的行,所以稍後我會照顧到這一點。當讀取總列中的單元格值時,我將帶有負值的單元格視爲字符串,並將它們轉換爲罕見的負值,然後將它們存儲爲字符串,因爲我們無法將常規文本值與數值一起存儲(但您可以將我的邏輯調整爲這樣做)。最後,DataTable有兩列我們關心行索引和值。使用行索引和值你有列總數和行總數。
我沒有做的是實際複製到另一張表。最後,當看到像這樣的數據時,期望的是當找到實際的最後一行/列和數據的混合數據時,我非常清楚將會有相當數量的代碼。
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
Dim dt As New DataTable
Dim Builder As New OleDb.OleDbConnectionStringBuilder With
{
.DataSource = IO.Path.Combine(Application.StartupPath, "WS_1.xlsx"),
.Provider = "Microsoft.ACE.OLEDB.12.0"
}
Builder.Add("Extended Properties", "Excel 12.0;IMEX=1;HDR=No;")
Using cn As New OleDb.OleDbConnection With {.ConnectionString = Builder.ConnectionString}
Using cmd As New OleDb.OleDbCommand With
{
.Connection = cn,
.CommandText = "SELECT Top 8 * FROM [Customer$]"
}
cn.Open()
dt.Load(cmd.ExecuteReader)
Dim FoundRow As Int32 = -1
Dim FoundCol As Int32 = -1
For Row As Integer = 0 To dt.Rows.Count - 1
For Col As Int32 = 0 To dt.Columns.Count - 1
If dt.Rows(Row).Item(Col).ToString = "Total" Then
FoundRow = Row + 1
FoundCol = Col + 1
End If
Next
Next
If FoundRow > -1 Then
dt = New DataTable
cmd.CommandText = <SQL>SELECT F<%= FoundCol %> FROM [Customer$] WHERE Not IsNull(F<%= FoundCol %>) </SQL>.Value
dt.Load(cmd.ExecuteReader)
Dim NewTable As New DataTable With {.TableName = "MyTable"}
NewTable.Columns.Add(New DataColumn With {.ColumnName = "Identifier", .DataType = GetType(Int32), .AutoIncrement = True, .AutoIncrementSeed = 1})
NewTable.Columns.Add(New DataColumn With {.ColumnName = "RowIndex", .DataType = GetType(Int32)})
NewTable.Columns.Add(New DataColumn With {.ColumnName = "Value", .DataType = GetType(String)})
For Each row As DataRow In dt.Rows
Dim Temp As String = row.Item(0).ToString.TrimStart
If Temp.StartsWith("(") Then
Temp = System.Text.RegularExpressions.Regex.Replace(Temp, "[)(,]", "")
Dim Value As Int32 = 0
If Int32.TryParse(Temp, Value) Then
Value = Value * -1
Console.WriteLine(Value)
NewTable.Rows.Add(New Object() {Nothing, Nothing, Value.ToString})
Else
NewTable.Rows.Add(New Object() {Nothing, Nothing, Value.ToString})
End If
Else
NewTable.Rows.Add(New Object() {Nothing, Nothing, Temp})
End If
Next
Dim xrow As DataRow
For i As Int32 = 1 To FoundRow - 1
xrow = NewTable.NewRow
NewTable.Rows.InsertAt(xrow, 0)
Next
For i As Int32 = 0 To NewTable.Rows.Count - 1
NewTable.Rows(i).SetField(Of Int32)("RowIndex", i)
Next
Console.WriteLine()
Else
Console.WriteLine("Did not find a column with Total.")
End If
End Using
End Using
End Sub
代碼模塊。
源列不固定。但目標列已修復。我正在嘗試從sheet1到sheet2列C的最後一列。 –
所以你想複製並粘貼爲值? RangeSource.Copy> RangeDest.PasteSpecial ... –