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How to generate random alphanumeric strings in C#?

To generate Random string in C#, we can use Random class which makes this unsuitable for anything security related, such as creating passwords or tokens. Use the RNGCryptoServiceProvider class if you need a strong random number generator.

Remember to include required namespaces: using System.Collections;, using System.Linq;

using System;  
using System.Collections;
using System.Linq;

public class Example
{
    public static void Main()
    {
	Random random = new Random();
	const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    	string randomString =  new string(Enumerable.Repeat(chars, 10)
        				.Select(s => s[random.Next(s.Length)]).ToArray());
	Console.WriteLine(randomString);
    }
}

Output

H08JAHT0UR


Conclusion

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