I tried to open an excel document in my .net core desktop application using Microsoft.Office.Interop.Excel but
Microsoft.Office.Interop.Excel.Application (exApp ) object in dynamic view contains the error :
Unable to evaluate the expression. Operation not supported. Unknown error: 0x80070057.
Also, Workbook (exWbk ) object has the same error and I couldn't work with worksheets.
Code:
Microsoft.Office.Interop.Excel.Application exApp = new Microsoft.Office.Interop.Excel.Application();
Workbook exWbk = exApp.Workbooks.Add(filePath);
Microsoft.Office.Interop.Excel.Application (exApp ) object in dynamic view contains the error :
Unable to evaluate the expression. Operation not supported. Unknown error: 0x80070057.
Also, Workbook (exWbk ) object has the same error and I couldn't work with worksheets.
Code:
Microsoft.Office.Interop.Excel.Application exApp = new Microsoft.Office.Interop.Excel.Application();
Workbook exWbk = exApp.Workbooks.Add(filePath);