how to generate random number with a character prefix

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hi i am generating random number where i need character to be displayed before the number like S329014884..
plz help

regards
Manohar

Posted 1-Feb-12 19:22pm

Manohar_manu

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CRDave1988 2-Feb-12 1:26am

'S' is fix or that is also random

Rajesh Anuhya 2-Feb-12 1:50am

And also random number should be Unique??

3 solutions

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_Maxxx_ · Accepted Answer · 2012-02-01T19:28:00

Solution 1

C#

public string RandomString(int randomNumber)
{
    return "S" + randomNumber.ToString();
}

Posted 1-Feb-12 19:28pm

_Maxxx_

Rockstar_ · Accepted Answer · 2012-02-01T19:29:00

Solution 2

C#

private void button1_Click(object sender, EventArgs e)
       {
           Random rn = new Random();
           string str="S"+rn.Next().ToString();
           MessageBox.Show(str);
       }

C#

Posted 1-Feb-12 19:29pm

Rockstar_

Sridhar Patnayak · Accepted Answer · 2012-02-01T19:30:00

Solution 3

If you want to generate random number you can use

Guid as

Guid randomNum= System.Guid.NewGuid();

or

Simple Random Number Generation[^]

now you can do like this

String finalNumber="S" + YourRandomNumber.toString();

Thanks
SP

Posted 1-Feb-12 19:30pm

Sridhar Patnayak

Updated 1-Feb-12 19:42pm

v2