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• #Excel 2016 xlsx cannot open .xlsx files code#

String fullFileName = exportSaveFileDialog.FileName

If (DialogResult.OK = exportSaveFileDialog.ShowDialog())

Using (SaveFileDialog exportSaveFileDialog = new SaveFileDialog())ĮxportSaveFileDialog.Title = "Select Excel File" ĮxportSaveFileDialog.Filter = "Microsoft Office Excel Workbook(*.xlsx)|*.xlsx" TimeStamp = timeStamp.Replace("T", "_") ĬurrentWorksheet.Cells = timeStamp ĬurrentWorksheet.Cells = "No error occured" Range fullTextRange = currentWorksheet.get_Range("A1", "G" + (rowIndex + 1).ToString()) įullTextRange.HorizontalAlignment = .XlHAlign.xlHAlignLeft () įor (rowIndex = 0 rowIndex < rowIndex++)ĭataGridViewRow dgRow = dgView.Rows įor (int cellIndex = 0 cellIndex < cellIndex++)ĬurrentWorksheet.Cells = Range headerColumnRange = currentWorksheet.get_Range("A2", "G2") Excel work sheet indexing starts with 1ĬurrentWorksheet.Cells = dgviewColumn.Name Worksheet currentWorksheet = (.Worksheet)currentWorkbook.ActiveSheet Ĭ = 18 ĬurrentWorksheet.Cells = ("s") įoreach (DataGridViewColumn dgviewColumn in dgView.Columns) Workbook currentWorkbook = (Type.Missing) instantiating the excel application classĮxcelApp = new .Application() Public static void ExportToExcel(DataGridView dgView) I have also tried the file format 12 in place of but this does not even write instead throwing the COMException:Īny help resolving this would be most appreciated.Įdit: I have now also tried: excelWorkBook.SaveAs("C:\\MyExcelTestTest", 12, , ) ĮxcelWorkBook.SaveAs("C:\\MyExcelTestTest.xlsx", ,ĮxcelWorkBook.Close(Missing.Value, Missing.Value, Missing.Value) Excel.Worksheet wkSheetData = excelWorkBook.ActiveSheet ĮxcelApplication.Cells = "TextField" ĮxcelWorkBook.SaveAs("C:\\MyExcelTestTest.xls", , dynamic excelWorkBook = () Įxcel.Workbook excelWorkBook = ()

#Excel 2016 xlsx cannot open .xlsx files code#

The code I use to open, save and close the files is: Excel.Application excelApplication = new Excel.Application() Verify that file has not been corrupted and that the file extension matched the format of the file. xlsx file, but when I try to open it I get the following error:Įxcel cannot open the file 'SomeFile.xlsx' because the file format is not valid. I have succeeded in opening and saving a file with the. I am in the process of writing a module to export a DataTable to Excel using but before starting in earnest I want to get the very basics working: open file, save as, and close.