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Uppercase and Lowercase Strings in C#

By Mahesh Chand on Aug 21, 2010
This code snippet shows how to make a string uppercase and lowercase using String class methods.
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Uppercase and Lowercase

The ToUpper and ToLower methods convert a string in uppercase and lowercase respectively. These methods are easy to use. The following code shows how to use ToUppler and ToLower methods.

string aStr = "adgas";
string bStr = "ABNMDWER";
string strRes = aStr.ToUpper();
Console.WriteLine("Uppercase:"+ strRes.ToString());
strRes = bStr.ToLower();
Console.WriteLine("Lowercase:"+ strRes.ToString());

Read C# Strings  to learn more about strings in C#.

Mahesh Chand

C# Corner founder, 10-times Microsoft MVP, technical author, and software architect. Mahesh authored his first book, A Programmer’s Guide to ADO.NET in C# with APress at the age of 25. C# Corner is a memb... Read more