How Can I generate Alphanumeric Characters Using C#

C# Corner

Murli Jadhav

9y8.1kLearn iOS Programming

I want to generate Random alphanumeric characters like ABC-123,ABC-124,ABC-125 and so on... etc as a product Id

Thanks In Advance..

3 Replies

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Sourabh Somani9y ago
Accepted answer
Try this Code
using System;
using System.Linq;

public class Program
{
    private static Random random = new Random();
    public static void Main()
    {
        Console.WriteLine(RandomString(3)+"-"+random.Next(100,999));
    }
    public static string RandomString(int length)
    {
        const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
        return new string(Enumerable.Repeat(chars, length)
                          .Select(s => s[random.Next(s.Length)]).ToArray());
    }
}
Murli Jadhav9y ago
Sourabh Somani
Sudeep Chourasia Thanks For reply but I want First 3 Letters Constant i.e.ABC is Constant And Next Letters Are numbers

Sudeep Chourasia9y ago

private string RandomNumber(int Size)
 { 
string randomno = "abcdefghijklmnopqrstuvwxyz0123456789";
 StringBuilder builder = new StringBuilder(); 
char ch;
 for (int i = 0; i < Size; i++) 
{         
ch = randomno[random.Next(0, randomno.Length)];
 builder.Append(ch);
 }
 return builder.ToString();
 }

How Can I generate Alphanumeric Characters Using C#

Sourabh Somani

Sudeep Chourasia Thanks For reply but I want First 3 Letters Constant i.e.ABC is Constant And Next Letters Are numbers