Check out example codes for "c# uppercase string". It will help you in understanding the concepts better.

Code Example 1

Input : str  = "GeeksForGeeks"
        str.ToUpper()
Output: GEEKSFORGEEKS

Input : str  = "This is C# Program xsdd_$#%"
        str.ToUpper()
Output: THIS IS C# PROGRAM XSDD_$#%

Learn ReactJs, React Native from akashmittal.com