Generating ID automatically using coding

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VB

Dim RandomGenerator As Random
Dim intRandomNumber As Integer

RandomGenerator = New Random()
intRandomNumber = RandomGenerator.Next(100, 1000)

I have using the above coding to generate id for my table in database but the id does not generate automatically..

Posted 2-Apr-11 23:03pm

nazila24

Updated 2-Apr-11 23:41pm

Sandeep Mewara

v2

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Wendelius · Answer 1 · 2011-04-02T23:06:00

Solution 1

The first question is, why do you want to generate an ID in your application? IF you're using SQL Server for example, then you can define the ID column as identity (http://msdn.microsoft.com/en-us/library/ms186775.aspx[^]).

Another thing is that if you just generate random numbers it's quite likely that you get the same number at some point so it wouldn't serve as a unique ID.

Posted 2-Apr-11 23:06pm

Wendelius

Comments

nazila24 3-Apr-11 5:16am

i have generate ID using SQL server but i have problem when the id that generate by sqlserver cannot insert into another table as foreign key..thats why i'm try generate id manually.

Wendelius 3-Apr-11 5:29am

For that purpose you can use for example SCOPE_IDENTITY(), see: http://msdn.microsoft.com/en-us/library/ms190315.aspx

Sergey Alexandrovich Kryukov 5-Apr-11 0:37am

...bad idea...
--SA

#realJSOP 3-Apr-11 9:19am

5 - Proposed as answer

Wendelius 3-Apr-11 9:34am

Thank you :)

Sergey Alexandrovich Kryukov 5-Apr-11 0:37am

Agree, this is the Answer. My 5.
--SA

Wendelius 5-Apr-11 13:35pm

Thanks :)