Set Auto number in Table Field in MS SQL Server 2008

Hi guy ! I would like to share how to set auto number in table field in SQL Server 2008. In this example, I have a table TblTransaction. A table field, TransactionID, I want to insert number automatically without typing value into it. So now, let's do it as step below :
 There are 2 steps:
        1. Click on field that you want to set auto number (make sure that Data Type of the field is int)
        2. In Column Properties, go to Identity Specification--> Is Identify : yes .
please see picture as below:

Set auto number to table field

Done...Hope this post is helpful for you...