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Determine the order

To find out order between two string values we can use the CompareTo method from string type.


public int CompareTo(string strB)

Return Value	Condition
< 0	This instance precedes strB.
0	This instance has the same position in the sort order as strB.
>0	This instance follows strB. -or- strB is null.


using System;

class Program
{
    static void Main(string[] args)
    {
        string s1 = "abc";
        string s2 = "def";

        int result = s1.CompareTo(s2);

        Console.WriteLine(result);

    }
}

The output:

-1

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