You could probably try Spire.XLS for .NET to convert excel to text. It does not require MS Office to be installed on machines.
You could probably try Spire.XLS for .NET to convert excel to text. It does not require MS Office to be installed on machines.
If you do not mind using a 3rd party library, try Spire.XLS. Here is an example: Import Data from Excel to Datatable in C#