Excel data Reading using C# 
but the value comes under formula 
ex: A2 cell value 63
=Sum(54,9) =>63
This 63 value store one local variable using c#
What I have tried:
I'm using this one, the value comes -2141400 (Negative value coming)
Excel.Worksheet xlWorkSheet;
xlWorkSheet.Cells[1, 2].Value = -2141400 
I want this xlWorkSheet.Cells[1, 2].Value = 63
can any one help us ?