Auto generating numbers in text box using c#

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SQL-Server-2005

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I am working on a windows application with SQL 2005 as backend.
I want to auto generate numbers and show it in textbox
I want to generate the numbers in sequence and save it in DB.

Thanks in Advance !!!

Posted 28-Nov-12 0:32am

Ank_ush

Updated 28-Nov-12 1:16am

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Mohd. Mukhtar 28-Nov-12 6:57am

What kind of number you want to generate?

Is it random number or
You want to generate number for primary key column to store in DB.

Ank_ush 28-Nov-12 7:16am

Yes, I want to generate the numbers in sequence and save it in DB.

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Mohd. Mukhtar · Answer 1 · 2012-11-28T01:32:00

If you want to save the value into primary column then you just need to do the setting into SQL server.

1. Right click on table name.
2. Select the column name
3. Go into property window
4. Double click on identity specification.
5. Save the table
Now when you run any insert query you dont need to provide this column value it will automatically incremented.

If you want custom sequence number from C# application then you need to execute select query to fetch the last inserted record id with scope_Identity() and need to increment the value.

refer the below link.

http://msdn.microsoft.com/en-us/library/ms190315.aspx[^]

Munir Hassan · Answer 2 · 2012-11-28T04:31:00

you can try this code... it may help you to get some idea...

C#

private static Random rnd;
static void random()
{
    rnd = new Random();
}

private string GenerateId()
{

    string allowedChars = "ABCDEFGHJKLM0123456789NOPQRSTUVWXYZ";

    char[] chars = new char[6];

    for (int i = 0; i < 6; i++)
    {
        chars[i] = allowedChars[rnd.Next(0, allowedChars.Length)];
    }

    return new string(chars);

}

Auto generating numbers in text box using c#

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