closedxml

I'm working on a C#/ASP.NET web thing and want to do an Excel export. First I found OpenXML, made some first steps, but it's really hard to use. Now, I'm using ClosedXML and it's quite a relief - so far. I came up with the problem to have a gradient fill on a table cell ... no problem with normal fills like worksheet.Cell(1,1).Style.Fill.SetBackgroundColor(XLColor.Red); or with Patterns like worksheet.Cell(1,1).Style.Fill.PatternType = XLFillPatternValues.LightHorizontal; worksheet.Cell(1,1).Style.Fill.PatternColor = XLColor.Green; worksheet.Cell(1,1).Style.Fill.PatternBackgroundColor =

I am using ClosedXML to generate spreadsheets from C# (asp.net-mvc) and it works great. I have one additional requirement so I wanted to get some feedback on how I could achieve this. I want to save as a macro enabled workbook and when I just give it a "xlsm" extension it doesn't seem to open (versus a xlsx). Here is my code: public ActionResult ExportExcel() { MemoryStream stream = nModel.GenerateSS(); return File(stream, @"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml", "MySS.xlsx"); } but if I try to do this: public ActionResult ExportExcel() { MemoryStream

I am trying to export some data to an excel sheet S1 whose data would be shown as Pivoted views in the next two sheets S2 and S3 . I am able to create a single pivot and it works perfect. But when I create two pivots, the consequent Excel file renders as corrupt. By corrupt I mean, On clicking yes, I get this - Here is the code I am using to create the pivots - using XL = ClosedXML.Excel; ... XL.XLWorkbook wb = new XL.XLWorkbook(); dsData = Session["ExportData"] as DataSet; var sheet1 = wb.Worksheets.Add("output table"); sheet1.Cell(1, 1).InsertTable(dsData.Tables[0], "output table", true); //

I have created WebAPI which returns an excel file using closedxml nuget. Basically it converts my DataTable to excel. I'm referring couple of links below, How to return a file (FileContentResult) in ASP.NET WebAPI Returning binary file from controller in ASP.NET Web API Issue : excel generated on server path has NO issues. But when I download the same by returning it as HttpResponseMessage via webAPI the excel file is corrupted. It says, "The file is corrupt and cannot be opened" :( My Code : [System.Web.Http.AcceptVerbs("GET", "POST")] public HttpResponseMessage ExportExcel() { DataTable

I am working on a ASP.NET 4.5 Webform and I have a Gridview (that has custom TemplateField and gets data from a sqlDataSource) I have this event to export the gridview contents to an excel sheet, and it does its jobs well except the created file is giving out an warning when user open it (which I understand because the file that got created is not an actual excel file): "the file you are trying to open is in a different format than specified by the file extension" protected void btnExport_Excel_Click(object sender, EventArgs e) { try { Response.Clear(); Response.Buffer = true; Response

There are several textboxes in an excel file as ActiveX objects and I want to reach them from codebehind. I am using ClosedXML for other fields, but I am open for other suggestions. For accessing OLE objects from C#, add reference to Microsoft Forms 2.0 object library. You can iterate through the controls for your desired checkbox and textbox. Enjoy ! using Excel = Microsoft.Office.Interop.Excel; using VBE = Microsoft.Vbe.Interop.Forms; private static void ExcelOperation(string xlFileName) { var xlApp = new Excel.Application(); var xlWorkbook = xlApp.Workbooks.Open(xlFileName); var xlSheet =