これを Excel ファイルに保存しようとすると、いくつか問題が発生します。Invokemember を使用しようとしています (「名前を付けて保存」... が機能しません。何か不足しているかどうかわかりません。私を正しい方向に向けることができます。感謝します。
これはdeコードです：
Imports System.Reflection Imports System.Globalization Public Class 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
終了クラス