excel-interop

问题 I'm attempting to run excel vba macro and get back result but I'm always getting back null (excuse my ignorance, I'm new to this macros) the macro Public Function TestMacro() As Boolean If Len(Range("A1").Value) <> 9 Then TestMacro = False Else TestMacro = True End If End Function the c# code invoking it Excel.Application excelApp = new Excel.Application { DisplayAlerts = false }; object misValue = Missing.Value; excelApp.Visible = false; Excel.Workbook ExcelWorkBook = excelApp.Workbooks.Open

问题 I need help getting rid of this error: "Transition into COM context 0x465608 for this RuntimeCallableWrapper failed with the following error: System call failed. (Exception from HRESULT: 0x80010100 (RPC_E_SYS_CALL_FAILED)). This is typically because the COM context 0x465608 where this RuntimeCallableWrapper was created has been disconnected or it is busy doing something else. Releasing the interfaces from the current COM context (COM context 0x465498). This may cause corruption or data loss.

问题 I've got this code that sums the values in the given range (Column O Row 10 to Column O the last signficant row): Note: That's the letter "O" not the number "Zero". var totalTotalPackageCountCell = (Range)_xlSheetDelPerf.Cells[curDelPerfRow + 2, TOTAL_PACKAGE_COUNT_COLUMN]; totalTotalPackageCountCell.Formula = string.Format("=SUM(O10:O{0})", curDelPerfRow); It works pretty dandy except for one thing: the value displays without commas, such as "20192" (I want it to be "20,192"). I tried this:

问题 I am using Microsoft Interop to read the data. In excel-sheet the column-names are like A,B,C,D,....,AA,AB,.... and so on. Is there any way to read this column-names? If you need any other info please let me know. Regards, Priyank 回答1: Excel.Application xlApp = new Excel.Application(); Excel.Workbook xlWorkbook = xlApp.Workbooks.Open("workbookname"); Excel.Worksheet xlWorksheet = xlWorkbook.Sheets[1]; // assume it is the first sheet int columnCount = xlWorksheet.UsedRange.Columns.Count; List

问题 I am trying to save a jpg file into an excel document. I am getting the exception System.Runtime.InteropServices.COMException{"The specified file wasn't found"} now the file does exist and is located at C:\test\101.jpg here is my code Imports Excel = Microsoft.Office.Interop.Excel Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button1.Click Dim xlApp As Excel.Application Dim xlWorkBook As Excel.Workbook Dim xlWorkSheet As

问题 After much gnashing of teeth, &c, I was able to achieve a modicum of success with generating a PivotTable. It now sports both a "row filter" (on the Descriptions) and a "column filter" (on the "month year" columns), like so: This is accomplished with the following code: var pch = _xlBook.PivotCaches(); Range sourceData = _xlBook.Worksheets["PivotData"].Range["A1:G318"]; // TODO: Make range dynamic PivotCache pc = pch.Create(XlPivotTableSourceType.xlDatabase, sourceData); PivotTable pvt = pc

问题 I should transpose a table of an excel sheet in c#. There is a method to do it into the Microsoft.Office.Interop.Excel api, or any other method to do this? Edit This is my code: string pathFile, range; pathFile = @"C:\Users\Administrator\Desktop\" + fileName; Excel.Application app = new Excel.Application(); Excel.Workbook book = app.Workbooks.Open(pathFile); Console.WriteLine("Inserire il range delle celle da copiare(sono tutti uguali): "); range = Console.ReadLine(); Excel.Range rgn = app

问题 I have to open an excel application using the Process.Start method. Current code is below. startInfo.FileName = "EXCEL.EXE"; startInfo.Arguments = "\"C:\\Shared\\Some Directory\\File Name 2016.xlsm"; var res = Process.Start(startInfo); I only need read access to the file. However if another user has the file open a window prompt pops up asking if I would like to open the file in read only mode. Is there anyway using the Process.Start method to specify that the file only needs to be opened as

问题 I am using excel interop in creating excel. Now, I have to get the size of a column as basis of what the next column's size would be. I tried the following code: width = xlWorksheet.Range[xlWorksheet.Cells[1, 4], xlWorksheet.Cells[1, 11]].Width; xlWorksheet.Columns[5].ColumnWidth = width; width_of_first_col = xlWorksheet.Range[xlWorksheet.Cells[1, 1], xlWorksheet.Cells[1, 1]].Width; xlWorksheet.Columns[6].ColumnWidth = width_of_first_col; The result should be column 4 and column 5 have the

问题 Sorting Excel tables (ListObjects) is not allowed on protected sheets. You'll see the following error message: I spent weeks looking for a solution with no success. Everything out there is outdated with Excel 2007 code samples. There are no tutorials or guides on how circumvent this limitation. Here's how I was able to finally overcome.. 回答1: There is no trappable event when sorting from the Excel's filter drop-down menu of a table. You can, however, trap the events when an ascending,