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Pro C# 2010 and the .NET 4 Platform, Fifth Edition
book

Pro C# 2010 and the .NET 4 Platform, Fifth Edition

by Andrew Troelsen
May 2010
Intermediate to advanced content levelIntermediate to advanced
1752 pages
41h 17m
English
Apress
Content preview from Pro C# 2010 and the .NET 4 Platform, Fifth Edition

22.9. Multitabled DataSet Objects and Data Relationships

So far, all of this chapter's examples have operated on a single DataTable object. However, the power of the disconnected layer shines through when a DataSet object contains numerous interrelated DataTables. In this case, you can define any number of DataRelation objects in the DataSet's DataRelation collection to account for the interdependencies of the tables. The client tier can use these objects to navigate between the table data without incurring network roundtrips.

NOTE

Rather than updating AutoLotDAL.dll to account for the Customers and Orders tables, this example isolates all of the data access logic within a new Windows Forms project. However, intermixing UI and data logic in ...

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