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C# - Convert String to Uppercase
Given a string, we have to convert it to uppercase using C# program.
[Last updated : March 20, 2023]
To convert a given string to uppercase, we use String.ToUpper() method.
Example
1) Input String: "This is india" then it will convert into : "THIS IS INDIA".
2) Input String: "This Is India" then it will convert into : "THIS IS INDIA".
3) Input String: "this is india" then it will convert into : "THIS IS INDIA".
4) Input String: "tHIS iS iNDIA" then it will convert into : "THIS IS INDIA".
String.ToUpper()
The String.ToUpper() method returns uppercase converted string.
Syntax
String String.ToUpper();
C# program to convert string to uppercase
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1 {
class Program {
static void Main() {
String str1;
String str2;
Console.Write("Enter string : ");
str1 = Console.ReadLine();
str2 = str1.ToUpper();
Console.WriteLine("Converted string is: " + str2);
}
}
}
Output
Enter string : This Is India
Converted string is: THIS IS INDIA
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