How to use C# string Compare
The CSharp String Compare function compares two strings lexicographically . The comparison is based on the Unicode value of each character in the string.
int string.Compare(string str1,string str2)
It returns an Integer indication lexical relationship between the two comprehends
Parameters:
string str1 : Parameter String
string str2 : Parameter String
Returns:
Integer : returns less than zero, zero or greater than zero.
Less than zero : str1 is less than str2
zero : str1 is equal to str2
Greater than zero : str1 is greater than str2
using System;
using System.Windows.Forms;
namespace WindowsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
string str1 = null;
string str2 = null;
str1 = "csharp";
str2 = "CSharp";
int result = 0;
result = string.Compare(str1, str2);
MessageBox.Show(result.ToString());
result = string.Compare(str1, str2, true);
MessageBox.Show(result.ToString());
}
}
} |
When you run this C# program first u will get -1 in message box and then 0
|