how to generate sequence number using c# in window application

Question

1.00/5 (1 vote)

See more:

C#

private string GenerateID()
      {


      }
      private void auto()
      {
          AdmissionNo.Text = "A-" + GenerateID();

      }

with prefix of A like below A-0001 A-0002 and so on .

Posted 4-Sep-14 0:54am

Comments

Gihan Liyanage 4-Sep-14 6:56am

Do you want to check the Database, for existing last Sequence number ?

Er Aslam Khan 4-Sep-14 6:57am

no , before i generate random id 0-9 but now i want to generate sequential id like above so how implemet i

1 solution

Add a Solution

Treat my content as plain text, not as HTML

…

Sign in to your account

Download, Vote, Comment, Publish.

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

OriginalGriff · Answer 1 · 2014-09-04T01:14:00

All you have to do is have a private int:

C#

private int nextId = 1;
private void auto()
{
    lock(nextId)
       {
       AdmissionNo.Text = string.Format("A-{0:0000}", nextId++);
       }
}

You only need the lock if you are multithreading.

Posted 4-Sep-14 1:14am