August 2003
Beginner to intermediate
600 pages
12h 57m
English
Content preview from Microsoft® .NET Compact Framework Kick StartBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Setting Up Autoincremented Fields
When a new row is added to a DataTable, the empty row is created by calling DataTable.NewRow. The DataTable knows the schema for the row that it must create and instantiates the new row to match the schema. That means the new row holds the right DataColumns with the correct data types ready for you to set the data.
The DataColumn.AutoIncrement property can be set to tell the DataTable to set the value for a DataColumn automatically when a new row is created. This is an especially useful feature for DataColumns that represent the primary key of a table, since the key can be automatically created for you.
There are three important properties in the DataColumn that relate to autoincremented fields:
DataColumn.AutoIncrement ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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