What is correct content-type for excel files? [duplicate]
For BIFF .xls files application/vnd.ms-excel For Excel2007 and above .xlsx files application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
excel
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
Here’s how I do it: private string GetExcelColumnName(int columnNumber) { string columnName = “”; while (columnNumber > 0) { int modulo = (columnNumber – 1) % 26; columnName = Convert.ToChar(‘A’ + modulo) + columnName; columnNumber = (columnNumber – modulo) / 26; } return columnName; }
‘Microsoft.ACE.OLEDB.12.0’ provider is not registered on the local machine
Well, you need to install it. You’re looking for: The 2007 Office System Driver: Data Connectivity Components.
Is there a way to crack the password on an Excel VBA Project?
You can try this direct VBA approach which doesn’t require HEX editing. It will work for any files (*.xls, *.xlsm, *.xlam …). Tested and works on: Excel 2007 Excel 2010 Excel 2013 – 32 bit version Excel 2016 – 32 bit version Looking for 64 bit version? See this answer How it works I will … Read more
Is it possible to force Excel recognize UTF-8 CSV files automatically?
Alex is correct, but as you have to export to csv, you can give the users this advice when opening the csv files: Save the exported file as a csv Open Excel Import the data using Data–>Import External Data –> Import Data Select the file type of “csv” and browse to your file In the … Read more
Stop Excel from automatically converting certain text values to dates
I have found that putting an ‘=’ before the double quotes will accomplish what you want. It forces the data to be text. eg. =”2008-10-03″,=”more text” EDIT (according to other posts): because of the Excel 2007 bug noted by Jeffiekins one should use the solution proposed by Andrew: “=””2008-10-03″””
How to avoid using Select in Excel VBA
Some examples of how to avoid select Use Dim‘d variables Dim rng as Range Set the variable to the required range. There are many ways to refer to a single-cell range: Set rng = Range(“A1”) Set rng = Cells(1, 1) Set rng = Range(“NamedRange”) Or a multi-cell range: Set rng = Range(“A1:B10”) Set rng = … Read more
Excel to CSV with UTF8 encoding [closed]
A simple workaround is to use Google Spreadsheet. Paste (values only if you have complex formulas) or import the sheet then download CSV. I just tried a few characters and it works rather well. NOTE: Google Sheets does have limitations when importing. See here. NOTE: Be careful of sensitive data with Google Sheets. EDIT: Another … Read more
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
Regular expressions are used for Pattern Matching. To use in Excel follow these steps: Step 1: Add VBA reference to “Microsoft VBScript Regular Expressions 5.5” Select “Developer” tab (I don’t have this tab what do I do?) Select “Visual Basic” icon from ‘Code’ ribbon section In “Microsoft Visual Basic for Applications” window select “Tools” from … Read more
How do I properly clean up Excel interop objects?
Excel does not quit because your application is still holding references to COM objects. I guess you’re invoking at least one member of a COM object without assigning it to a variable. For me it was the excelApp.Worksheets object which I directly used without assigning it to a variable: Worksheet sheet = excelApp.Worksheets.Open(…); … Marshal.ReleaseComObject(sheet); … Read more