How to Generate Auto Number using Visual Basic.Net and MS Access Database

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How to Generate Auto Number using Visual Basic.Net and MS Access Database

In this lesson, I’m going to show you how to create a system that will generate a customize auto number using visual basic and Microsoft access as our database. We can use this auto number to identify a unique record in a table, and it should only one auto number field is allowed in each table this will serve as primary key during run time. In our situation, we will generate auto number by this mechanism start with the start and increment with the increment value. It means that from the start value of the auto number, the system will get the last end value then the system will get the increment value and add it to the last ended value to create a new auto number.After completing this course the output of this application it looks like as shown below.

autonumber

To start building this application, add two Group box, five labels, two buttons and a Datagridview,

Then, arrange the entire object same with the final output shown above.

Next, let’s add functionality to our application. Right the form, then click “view code” and add the following code.

 

Then, double click the form and add the following code:
This code will simply load all the records from the database table “tblauto” into datagridview.

 

To insert new auto number in our database, double click our “btgenerate” button, add the following code:

 

And you can now test your application by pressing “F5”.

You can download the Source Code here.autonumber

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