How to avoid exception from hresult 0x800a03ec while adding the excel file in C# program
<p>I am trying to add existing excel file into workbook in C#, I am getting the exception from hresult 0x800a03ec. My code is like</p>

<p>Globals.ThisWorkbook.Application.Sheets.Add("C:\Users\..\Sheet11");</p>

<p>How can I avoid the error and add existing excel sheet? Pleasehelp. 
Thank you.</p>
