How To Find Number of Days between two Dates in C# Asp.Net?

To calculate the number of days between two dates in Asp.Net using C#, use the below piece of code.

TimeSpan timespan = Convert.ToDateTime("2009-12-31").Subtract(Convert.ToDateTime("2009-01-01"));
Response.Write(timespan.Days+1);

Here we use Subtract method to find the difference between two dates. Usually the Subtract method return a value that is one less than the correct value. So to the Timespan object's Days property we can add 1 to get the exact number of days.

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