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#.
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