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我試圖創建xlworksheet的數組以保存爲xlsx格式，並使用For Next結構。當我執行程序時，錯誤指向 xlWorkSheet(xlName).Name = "Judge " & xlName & " Score Summary" 並且錯誤消息是「對象引用未設置爲對象的實例」。使用數組創建excel工作表
我使用的是2010 vb.NET
Private Sub bgwSaveFiles_DoWork(ByVal sender As System.Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles bgwSaveFiles.DoWork
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
' Dim xlworksheet(), xlWorkSheetTotal As Object Excel.Worksheet
Dim misValue As Object = System.Reflection.Missing.Value
Dim oRng As Excel.Range
Dim R, C As Integer
xlApp = New Excel.ApplicationClass
xlWorkBook = xlApp.Workbooks.Add(misValue)
Dim xlWorkSheet() As Excel.Worksheet
Dim xlWorkSheetTotal As Excel.Worksheet
For xli As Integer = 15 To 1
xlworksheet(xli) = xlWorkBook.Worksheets.Add()
Next
xlWorkSheetTotal = xlWorkBook.Worksheets.Add()
xlWorkBook.Worksheets("Sheet1").Delete()
For xlName As Integer = 1 To 15
xlWorkSheet(xlName).Name = "Judge " & xlName & " Score Summary"
Next
xlWorkSheetTotal.Name = "Final Score Summary"
Dim Titles(9) As String
Titles(0) = "Contestant Name"
Titles(1) = "Portion"
Titles(2) = "Contest Piece"
Titles(3) = "Voice Quality"
Titles(4) = "Musicality"
Titles(5) = "Rhythm and Timing"
Titles(6) = "Stage Performance"
Titles(7) = "Total Score"
'####### TOTAL SCORE SUMMARY #######
For HT As Integer = 0 To 7
xlWorkSheetTotal.Cells(1, HT + 1) = Titles(HT)
Next
For R = 0 To 6
For C = 0 To 7
xlWorkSheetTotal.Cells(R + 2, C + 1) = SummaryScoreSheet.Rows.Item(R).Cells(C).Value
Next
Next
xlWorkSheetTotal = xlWorkBook.Sheets("Final Score Summary")
For HT As Integer = 0 To 7
xlWorkSheetTotal.Cells(10, HT + 1) = Titles(HT)
Next
For R = 0 To 6
For C = 0 To 7
xlWorkSheetTotal.Cells(R + 11, C + 1) = SummaryScoreSheet.Rows.Item(R + 7).Cells(C).Value
Next
Next
oRng = xlWorkSheetTotal.Range("A1", "H1")
oRng.EntireColumn.AutoFit()
Dim judges() As Object
judges(1) = "j1ScoreSheet"
judges(2) = "j2ScoreSheet"
judges(3) = "j3ScoreSheet"
judges(4) = "j4ScoreSheet"
judges(5) = "j5ScoreSheet"
judges(6) = "j6ScoreSheet"
judges(7) = "j7ScoreSheet"
judges(8) = "j8ScoreSheet"
judges(9) = "j9ScoreSheet"
judges(10) = "j10ScoreSheet"
judges(11) = "j11ScoreSheet"
judges(12) = "j12ScoreSheet"
judges(13) = "j13ScoreSheet"
judges(14) = "j14ScoreSheet"
judges(15) = "j15ScoreSheet"
'####### START #######
For HT As Integer = 0 To 7
For jNo As Integer = 1 To 15
xlworksheet(jNo).Cells(1, HT + 1) = Titles(HT)
Next
Next
For R = 0 To 6
For C = 0 To 7
For jNo As Integer = 1 To 15
xlworksheet(jNo).Cells(R + 2, C + 1) = judges(jNo).Rows.Item(R).Cells(C).Value
Next
Next
Next
For jNoLabel As Integer = 1 To 15
xlworksheet(jNoLabel) = xlWorkBook.Sheets("Judge " & jNoLabel & " Score Summary")
Next
For HT As Integer = 0 To 7
For jNo As Integer = 1 To 15
xlworksheet(jNo).Cells(10, HT + 1) = Titles(HT)
Next
Next
For R = 0 To 6
For C = 0 To 7
For jNo As Integer = 1 To 15
xlworksheet(jNo).Cells(R + 11, C + 1) = judges(jNo).Rows.Item(R + 7).Cells(C).Value
Next
Next
Next
For jNo As Integer = 1 To 15
oRng = xlworksheet(jNo).Range("A1", "H1")
Next
oRng.EntireColumn.AutoFit()
With xlApp
.DisplayAlerts = False
On Error GoTo Err_Hndler
Dim savePath As String = "C:\test\test.xlsx"
For xli As Integer = 15 To 1
xlworksheet(xli).SaveAs(savePath)
Next
xlWorkSheetTotal.SaveAs(savePath)
.DisplayAlerts = True
End With
xlWorkBook.Close()
xlApp.Quit()
releaseObject(xlApp)
releaseObject(xlWorkBook)
releaseObject(xlWorkSheetTotal)
MsgBox("Excel file created , you can find the file c:\")
Err_Hndler： MSGBOX（ 「無法創建Excel記錄文件，請確保該文件不是在其他應用程序中打開」，MsgBoxStyle.Exclamation + MsgBoxStyle.OkOnly 「無法創建記錄」） 退出小組 結束子'
實際上，程序工作時，我用這個結構
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
Dim xlworksheets() As Excel.Worksheet
Dim xlWorkSheetTotal, xlWorkSheet1, xlWorkSheet2, xlWorkSheet3, xlWorkSheet4, xlWorkSheet5, xlWorkSheet6, xlWorkSheet7, xlWorkSheet8, xlWorkSheet9, xlWorkSheet10, xlWorkSheet11, xlWorkSheet12, xlWorkSheet13, xlWorkSheet14, xlWorkSheet15 As Excel.Worksheet
Dim misValue As Object = System.Reflection.Missing.Value
Dim oRng As Excel.Range
Dim R, C As Integer
xlApp = New Excel.ApplicationClass
xlWorkBook = xlApp.Workbooks.Add(misValue)
xlWorkSheet15 = xlWorkBook.Worksheets.Add()
xlWorkSheet14 = xlWorkBook.Worksheets.Add()
xlWorkSheet13 = xlWorkBook.Worksheets.Add()
xlWorkSheet12 = xlWorkBook.Worksheets.Add()
xlWorkSheet11 = xlWorkBook.Worksheets.Add()
xlWorkSheet10 = xlWorkBook.Worksheets.Add()
xlWorkSheet9 = xlWorkBook.Worksheets.Add()
xlWorkSheet8 = xlWorkBook.Worksheets.Add()
xlWorkSheet7 = xlWorkBook.Worksheets.Add()
xlWorkSheet6 = xlWorkBook.Worksheets.Add()
xlWorkSheet5 = xlWorkBook.Worksheets.Add()
xlWorkSheet4 = xlWorkBook.Worksheets.Add()
xlWorkSheet3 = xlWorkBook.Worksheets.Add()
xlWorkSheet2 = xlWorkBook.Worksheets.Add()
xlWorkSheet1 = xlWorkBook.Worksheets.Add()
xlWorkSheetTotal = xlWorkBook.Worksheets.Add()
xlWorkBook.Worksheets("Sheet1").Delete()
xlWorkSheet1.Name = "Judge 1 Score Summary"
xlWorkSheet2.Name = "Judge 2 Score Summary"
xlWorkSheet3.Name = "Judge 3 Score Summary"
xlWorkSheet4.Name = "Judge 4 Score Summary"
xlWorkSheet5.Name = "Judge 5 Score Summary"
xlWorkSheet6.Name = "Judge 6 Score Summary"
xlWorkSheet7.Name = "Judge 7 Score Summary"
xlWorkSheet8.Name = "Judge 8 Score Summary"
xlWorkSheet9.Name = "Judge 9 Score Summary"
xlWorkSheet10.Name = "Judge 10 Score Summary"
xlWorkSheet11.Name = "Judge 11 Score Summary"
xlWorkSheet12.Name = "Judge 12 Score Summary"
xlWorkSheet13.Name = "Judge 13 Score Summary"
xlWorkSheet14.Name = "Judge 14 Score Summary"
xlWorkSheet15.Name = "Judge 15 Score Summary"
xlWorkSheetTotal.Name = "Final Score Summary"
'xlWorkSheetTotal = xlWorkBook.Sheets("Final Score Summary")
'xlWorkSheet1 = xlWorkBook.Sheets("Judge 1 Score Summary")
Dim Titles(9) As String
Titles(0) = "Contestant Name"
Titles(1) = "Portion"
Titles(2) = "Contest Piece"
Titles(3) = "Voice Quality"
Titles(4) = "Musicality"
Titles(5) = "Rhythm and Timing"
Titles(6) = "Stage Performance"
Titles(7) = "Total Score"
'####### TOTAL SCORE SUMMARY #######
For HT As Integer = 0 To 7
xlWorkSheetTotal.Cells(1, HT + 1) = Titles(HT)
Next
For R = 0 To 6
For C = 0 To 7
xlWorkSheetTotal.Cells(R + 2, C + 1) = SummaryScoreSheet.Rows.Item(R).Cells(C).Value
Next
Next
xlWorkSheetTotal = xlWorkBook.Sheets("Final Score Summary")
For HT As Integer = 0 To 7
xlWorkSheetTotal.Cells(10, HT + 1) = Titles(HT)
Next
For R = 0 To 6
For C = 0 To 7
xlWorkSheetTotal.Cells(R + 11, C + 1) = SummaryScoreSheet.Rows.Item(R + 7).Cells(C).Value
Next
Next
oRng = xlWorkSheetTotal.Range("A1", "H1")
oRng.EntireColumn.AutoFit()
'####### JUDGE 1 #######
For HT As Integer = 0 To 7
xlWorkSheet1.Cells(1, HT + 1) = Titles(HT)
Next
For R = 0 To 6
For C = 0 To 7
xlWorkSheet1.Cells(R + 2, C + 1) = j1ScoreSheet.Rows.Item(R).Cells(C).Value
Next
Next
xlWorkSheet1 = xlWorkBook.Sheets("Judge 1 Score Summary")
For HT As Integer = 0 To 7
xlWorkSheet1.Cells(10, HT + 1) = Titles(HT)
Next
For R = 0 To 6
For C = 0 To 7
xlWorkSheet1.Cells(R + 11, C + 1) = j1ScoreSheet.Rows.Item(R + 7).Cells(C).Value
Next
Next
oRng = xlWorkSheet1.Range("A1", "H1")
oRng.EntireColumn.AutoFit()
我想在這裏完成的是我可以使用For Next結構縮短代碼嗎？爲每個裁判輸入每個代碼太令人沮喪。
謝謝！