how to autogenerate no with charactor?

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Hello All,

I need one help. I didn't understand how to auto generate no using character?
Normally i know autogenerate code only no e.g 1,2,3 n all but now i want to add AB1,AB2,AB3 n all. So what can i do?? Thanks in advance.

Posted 2-Nov-15 22:31pm

Member 11221185

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4 solutions

Solution 1

You can Use

public string CreateRandomStringWithNumber(int length)
    {
        const string validCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
        StringBuilder _result = new StringBuilder();
        Random rnd = new Random();
        while (0 < length--)
        {
            _result.Append(validCharacters[rnd.Next(validCharacters.Length)]);
        }
        return _result.ToString();
    }

You can also give the character list from which you want to generate string.

Posted 2-Nov-15 22:49pm

PANKAJMAURYA

Solution 4

public void GetAutoNumberWithCharater(int length)
{
string Constring = string.Empty;
Constring = "AB";
for (int i = 1; i <= length; i++)
{
string getContString = Constring + i;

Console.WriteLine(getContString);
}
Console.ReadLine();
}

Posted 2-Nov-15 23:49pm

sanjay243657

Updated 2-Nov-15 23:50pm

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Krunal Rohit · Accepted Answer · 2015-11-02T23:04:00

Solution 3

I prefer LINQ :

C#

public static string GetRandomAlphaNumericString(int length)
  {
    const string chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    var random = new Random();
    return new string(Enumerable.Repeat(chars, length)
      .Select(s => s[random.Next(s.Length)]).ToArray());
  }

-KR

Posted 2-Nov-15 23:04pm

Krunal Rohit

Comments

Member 11221185 3-Nov-15 5:13am

thanks all
Got it

PANKAJMAURYA · Accepted Answer · 2015-11-02T23:02:00

You can also use Guid.NewGuid() built in method

C#

public string CreateRandomStringWithNumber(int length)
    {
        string res = string.Empty;
        Random rn = new Random();
        int num = rn.Next(100, 999);
        string str = Convert.ToString(Guid.NewGuid()).Substring(0,7);
        res = str + num;
        return res;
    }