我在尝试将其保存到Excel文件时遇到了一些问题，我正在尝试使用Invokemember（“另存为”...但是无法正常工作，我不知道我是否遗漏了某些内容。 如果有人能指出我正确的方向，我会很感激。
这是代码：
导入System.Reflection 进口System.Globalization 公共类Excel
Public Shared Sub Export2Excel(datagridview As GridView, IsShowIsCaptions As Boolean)
Dim objMainApp As Object
Dim objWorkBook As Object
Dim objWorkBooks As Object
Dim objWorkSheets As Object
Dim objWorkSheet As Object
Dim objCellRange As Object
Dim Parameters As Object()
Dim Sheet As Object
Dim headers As String() = New String(datagridview.Columns.Count - 1) {}
Dim columns As String() = New String(datagridview.Columns.Count - 1) {}
Dim ci As System.Globalization.CultureInfo = New System.Globalization.CultureInfo("en-US")
Dim i As Integer = 0
Dim c As Integer = 0
For c = 0 To datagridview.Columns.Count - 1
headers(c) = datagridview.Columns(c).HeaderText 'OwningColumn.Name.ToString()
columns(c) = Convert.ToString(ChrW(i))
If (c < 26) Then
i = c + 65
columns(c) = Convert.ToChar(i) 'columns(c) = Convert.ToString((char)i)
End If
If (c = 26) Then columns(c) = "AA"
If (c = 27) Then columns(c) = "AB"
If (c = 28) Then columns(c) = "AC"
If (c = 29) Then columns(c) = "AD"
If (c = 30) Then columns(c) = "AE"
If (c = 31) Then columns(c) = "AF"
If (c = 32) Then columns(c) = "AG"
If (c = 33) Then columns(c) = "AH"
If (c = 34) Then columns(c) = "AI"
If (c = 35) Then columns(c) = "AJ"
If (c = 36) Then columns(c) = "AK"
If (c = 37) Then columns(c) = "AL"
If (c = 38) Then columns(c) = "AM"
If (c = 39) Then columns(c) = "AN"
If (c = 40) Then columns(c) = "AO"
If (c = 41) Then columns(c) = "AP"
If (c = 42) Then columns(c) = "AQ"
If (c = 43) Then columns(c) = "AR"
If (c = 44) Then columns(c) = "AS"
If (c = 45) Then columns(c) = "AT"
If (c = 46) Then columns(c) = "AU"
If (c = 47) Then columns(c) = "AV"
If (c = 48) Then columns(c) = "AW"
If (c = 49) Then columns(c) = "AX"
If (c = 50) Then columns(c) = "AY"
If (c = 51) Then columns(c) = "AZ"
If (c = 52) Then columns(c) = "BA"
If (c = 53) Then columns(c) = "BB"
If (c = 54) Then columns(c) = "BC"
If (c = 55) Then columns(c) = "BD"
If (c = 56) Then columns(c) = "BE"
If (c = 57) Then columns(c) = "BF"
If (c = 58) Then columns(c) = "BG"
If (c = 59) Then columns(c) = "BH"
If (c = 60) Then columns(c) = "BI"
If (c = 61) Then columns(c) = "BJ"
If (c = 62) Then columns(c) = "BK"
If (c = 63) Then columns(c) = "BL"
If (c = 64) Then columns(c) = "BM"
If (c = 65) Then columns(c) = "BN"
If (c = 66) Then columns(c) = "BO"
If (c = 67) Then columns(c) = "BP"
If (c = 68) Then columns(c) = "BQ"
If (c = 69) Then columns(c) = "BR"
If (c = 70) Then columns(c) = "BS"
If (c = 71) Then columns(c) = "BT"
If (c = 72) Then columns(c) = "BU"
If (c = 73) Then columns(c) = "BV"
If (c = 74) Then columns(c) = "BW"
If (c = 75) Then columns(c) = "BX"
If (c = 76) Then columns(c) = "BY"
If (c = 77) Then columns(c) = "BZ"
If (c = 78) Then columns(c) = "CA"
If (c = 79) Then columns(c) = "CB"
If (c = 80) Then columns(c) = "CC"
If (c = 81) Then columns(c) = "CD"
If (c = 82) Then columns(c) = "CE"
If (c = 83) Then columns(c) = "CF"
If (c = 84) Then columns(c) = "CG"
If (c = 85) Then columns(c) = "CH"
If (c = 86) Then columns(c) = "CI"
If (c = 87) Then columns(c) = "CJ"
If (c = 88) Then columns(c) = "CK"
If (c = 89) Then columns(c) = "CL"
If (c = 90) Then columns(c) = "CM"
If (c = 91) Then columns(c) = "CN"
If (c = 92) Then columns(c) = "CO"
If (c = 93) Then columns(c) = "CP"
If (c = 94) Then columns(c) = "CQ"
If (c = 95) Then columns(c) = "CR"
If (c = 96) Then columns(c) = "CS"
If (c = 97) Then columns(c) = "CT"
If (c = 98) Then columns(c) = "CU"
If (c = 99) Then columns(c) = "CV"
If (c = 100) Then columns(c) = "CW"
If (c = 101) Then columns(c) = "CX"
If (c = 102) Then columns(c) = "CY"
If (c = 103) Then columns(c) = "CZ"
If (c = 104) Then columns(c) = "DA"
If (c = 105) Then columns(c) = "DB"
If (c = 106) Then columns(c) = "DC"
If (c = 107) Then columns(c) = "DD"
If (c = 108) Then columns(c) = "DE"
If (c = 109) Then columns(c) = "DF"
If (c = 110) Then columns(c) = "DG"
If (c = 111) Then columns(c) = "DH"
If (c = 112) Then columns(c) = "DI"
If (c = 113) Then columns(c) = "DJ"
If (c = 114) Then columns(c) = "DK"
If (c = 115) Then columns(c) = "DL"
If (c = 116) Then columns(c) = "DM"
If (c = 117) Then columns(c) = "DN"
If (c = 118) Then columns(c) = "DO"
If (c = 119) Then columns(c) = "DP"
If (c = 120) Then columns(c) = "DQ"
If (c = 121) Then columns(c) = "DR"
If (c = 122) Then columns(c) = "DS"
If (c = 123) Then columns(c) = "DT"
If (c = 124) Then columns(c) = "DU"
If (c = 125) Then columns(c) = "DV"
If (c = 126) Then columns(c) = "DW"
If (c = 127) Then columns(c) = "DX"
If (c = 128) Then columns(c) = "DY"
If (c = 129) Then columns(c) = "DZ"
If (c = 130) Then columns(c) = "EA"
If (c = 131) Then columns(c) = "EB"
If (c = 132) Then columns(c) = "EC"
If (c = 133) Then columns(c) = "ED"
If (c = 134) Then columns(c) = "EE"
If (c = 135) Then columns(c) = "EF"
If (c = 136) Then columns(c) = "EG"
If (c = 137) Then columns(c) = "EH"
If (c = 138) Then columns(c) = "EI"
If (c = 139) Then columns(c) = "EJ"
If (c = 140) Then columns(c) = "EK"
If (c = 141) Then columns(c) = "EL"
If (c = 142) Then columns(c) = "EM"
If (c = 143) Then columns(c) = "EN"
If (c = 144) Then columns(c) = "EO"
If (c = 145) Then columns(c) = "EP"
If (c = 146) Then columns(c) = "EQ"
If (c = 147) Then columns(c) = "ER"
If (c = 148) Then columns(c) = "ES"
If (c = 149) Then columns(c) = "ET"
If (c = 150) Then columns(c) = "EU"
If (c = 151) Then columns(c) = "EV"
If (c = 152) Then columns(c) = "EW"
If (c = 153) Then columns(c) = "EX"
If (c = 154) Then columns(c) = "EY"
If (c = 155) Then columns(c) = "EZ"
If (c = 156) Then columns(c) = "FA"
If (c = 157) Then columns(c) = "FB"
If (c = 158) Then columns(c) = "FC"
If (c = 159) Then columns(c) = "FD"
If (c = 160) Then columns(c) = "FE"
If (c = 161) Then columns(c) = "FF"
If (c = 162) Then columns(c) = "FG"
If (c = 163) Then columns(c) = "FH"
If (c = 164) Then columns(c) = "FI"
If (c = 165) Then columns(c) = "FJ"
If (c = 166) Then columns(c) = "FK"
If (c = 167) Then columns(c) = "FL"
If (c = 168) Then columns(c) = "FM"
If (c = 169) Then columns(c) = "FN"
If (c = 170) Then columns(c) = "FO"
If (c = 171) Then columns(c) = "FP"
If (c = 172) Then columns(c) = "FQ"
If (c = 173) Then columns(c) = "FR"
If (c = 174) Then columns(c) = "FS"
If (c = 175) Then columns(c) = "FT"
Next
Try
Dim objClassType As Type
objClassType = Type.GetTypeFromProgID("Excel.Application")
objMainApp = Activator.CreateInstance(objClassType)
objWorkBooks = objMainApp.[GetType]().InvokeMember("Workbooks", BindingFlags.GetProperty, Nothing, objMainApp, Nothing)
objWorkBook = objWorkBooks.[GetType]().InvokeMember("Add", BindingFlags.InvokeMethod, Nothing, objWorkBooks, Nothing)
objWorkSheets = objWorkBook.[GetType]().InvokeMember("Worksheets", BindingFlags.GetProperty, Nothing, objWorkBook, Nothing)
Parameters = New [Object](0) {}
Parameters(0) = 1
objWorkSheet = objWorkSheets.[GetType]().InvokeMember("Item", BindingFlags.GetProperty, Nothing, objWorkSheets, Parameters, ci)
If IsShowIsCaptions Then
For c = 0 To datagridview.Columns.Count - 1
Parameters = New [Object](1) {}
Parameters(0) = columns(c) & "1"
Parameters(1) = Missing.Value
objCellRange = objWorkSheet.[GetType]().InvokeMember("Range", BindingFlags.GetProperty, Nothing, objWorkSheet, Parameters)
Parameters = New [Object](0) {}
Parameters(0) = headers(c)
objCellRange.[GetType]().InvokeMember("Value", BindingFlags.SetProperty, Nothing, objCellRange, Parameters)
Next
End If
For i = 0 To datagridview.Rows.Count - 1
For c = 0 To datagridview.Columns.Count - 1
Parameters = New [Object](1) {}
Parameters(0) = columns(c) & Convert.ToString(i + 2)
Parameters(1) = Missing.Value
objCellRange = objWorkSheet.[GetType]().InvokeMember("Range", BindingFlags.GetProperty, Nothing, objWorkSheet, Parameters)
Parameters = New [Object](0) {}
If String.IsNullOrEmpty(datagridview.Rows(i).Cells(c).Text) Then
Parameters(0) = ""
Else
Parameters(0) = datagridview.Rows(i).Cells(c).Text '.Text was as .Value
End If
objCellRange.[GetType]().InvokeMember("Value", BindingFlags.SetProperty, Nothing, objCellRange, Parameters)
Next
Next
Parameters = New [Object](0) {}
Parameters(0) = True
objMainApp.[GetType]().InvokeMember("Visible", BindingFlags.SetProperty, Nothing, objMainApp, Parameters)
'This line gives me an error: objWorkBook.[GetType]().InvokeMember("SaveAs", BindingFlags.InvokeMethod, Nothing, objWorkBook, New [Object](0) {"C:\\Test.xls"})
objMainApp.[GetType]().InvokeMember("UserControl", BindingFlags.SetProperty, Nothing, objMainApp, Parameters)
Catch ex As Exception
MsgBox("Error exporting data to Excel: " + ex.Message)
End Try
End Sub
结束Clas