Visual Basic 2015 Unleashed

Adding a Data Model

The next step is to add a data model. In this example, you will add an Entity Data Model, but you are not limited to this scenario. You can also write custom business objects and then use specific classes (described shortly) to represent your business objects as EDMs. Using an existing database is a very common scenario, but you must be aware of possible incompatibilities between object types. For instance, OData v4 does not support the System.DateTime object; instead, it supports System.DateTimeOffset. For this reason, and because your data models will map your objects in the data store, in your SQL Server database, you must change the type for objects designed as datetime to datetimeoffset(7). For the current example, open ...