How to count days between two dates except Saturday and Sunday in CSharp (C#)

To count days between two dates except Saturday and Sunday use the below C# code

public int CountDays(fromDate,toDate)  
{  
     int noOfDays = 0;  
     DateTime fDate = Convert.ToDateTime(fromDate);  
     DateTime tDate = Convert.ToDateTime(toDate);  
     while (DateTime.Compare(fDate, tDate) <= 0)  
     {  
          if (fDate.DayOfWeek != DayOfWeek.Saturday && fDate.DayOfWeek != DayOfWeek.Sunday)  
          {  
               noOfDays += 1;  
          }  

          fDate = fDate.AddDays(1);  
     }  
     
     return noOfDays;  
}