Getting the new value in gridview rowupdating event
This tutorial series builds on the Contoso University web application that is created by the Getting Started with the Entity Framework 4.0 tutorial series.If you didn't complete the earlier tutorials, as a starting point for this tutorial you can download the application that you would have created.It includes functionality such as student admission, course creation, and instructor assignments. The downloadable sample contains code in both C# and Visual Basic. NET MVC framework, see Getting Started with the Entity Framework using ASP. One way to implement this structure is to use the pages using a control that has many of the same features as other data-source controls.There are three ways you can work with data in the Entity Framework: . For information about the differences between these workflows and guidance on how to choose the best one for your scenario, see Entity Framework Development Workflows. This lets you combine the advantages of an n-tier approach with the benefits of using a Web Forms control for data access.Like the Getting Started series, this tutorial series uses the ASP. The control gives you more flexibility in other ways as well.NET Web Forms model and assumes you know how to work with ASP. Because you write your own data-access code, it's easier to do more than just read, insert, update, or delete a specific entity type, which are the tasks that the control is designed to perform.We provide a printable (PDF) and locally browsable (CHM) versions for our VCL help files.
Thanks for choosing Dev Express for your software development needs.In one of those tutorials, you made changes in the designer manually to synchronize the data model with the database after a database change.In this tutorial, you will use the designer's Update Model From Database tool to update the data model automatically.To do this, right-click the CHM file, then click Properties and click Unblock.For more information, refer to the following Web page: Can't read (Compiled Help) on Vista/XP/2003.
You will also create unit tests for the validation logic.