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For example, the following markup is all you need to write in order to generate the table that is shown after the markup: Data-bound controls provide many properties that you can set in order to configure their appearance or behavior.Some of the controls also let you specify how the control generates HTML by using templates.
The following example of a LINQ query retrieves entities for departments that have at least one course assigned to them and sorts the resulting list by last name: Fluent API refers to the practice of chaining method calls in a single statement, as shown in the following example which does exactly the same thing as the LINQ query shown previously: The choice between between queries and fluent API depends on which syntax you're more comfortable with or want to learn, and you can mix and match based on the needs of each scenario.Any ORM, including the Entity Framework, will sometimes perform inefficiently compared to what you could accomplish by writing SQL and code manually.In most scenarios, the loss in performance is insignificant or is an acceptable trade-off for the improvements in application maintainability and reliability that you get from using the Entity Framework.This is a simplified example; in a real-world example with more tables, more columns, and more complex relationships the differences would be much greater.As you can see, an ORM can make you much more productive, and your application much easier to maintain. NET are the following: For new development where you're not constrained by a legacy data access approach, Microsoft recommends the Entity Framework. NET Web Pages applications that you develop by using Web Matrix.
A template is a block of HTML markup that you write and in which you include special variables that specify where and how the bound data is to be displayed.