By Joydip Kanjilal
Take your ADO.NET wisdom to the following point and construct a greater facts layer with this transparent educational to the Entity Framework. This publication is for C# builders who wish a neater strategy to create their info entry layer. it is important to be happy with ADO.NET, yet you don't want to understand something in regards to the Entity Framework. alongside the way in which we'll create a few ASP.NET functions, so being acquainted with this can additionally aid
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Additional info for Entity Framework Tutorial
The following installation wizard window will appear: Now, click on Next. NET Entity Framework Here is how the next screen looks like: In the above window that appears, check the checkbox and click on Install. The installation procedure starts and when done, the following screen appears: [ 22 ] Chapter 1 Click on Finish to complete the installation process. NET Entity Framework Tools CTP. NET 2008 patch update. NET patch update setup file that you downloaded earlier. The following window appears: Now, click on Next.
Note that the Object Services Layer supports querying data using both Entity SQL and LINQ to Entities. [ 18 ] Chapter 1 You can query data from the Entity Data Model either using Object Services or Entity Client. However, if you require change tracking, be aware that only Object Services provides this feature. NET Data Providers are responsible for talking to the underlying database. Here is an example that shows how you can use Object Services to retrieve data. CreateQuery
NET Entity Framework We will create some stored procedures now that we will use to insert, update, and delete data from the tables we just created. Here is a list of the stored procedures that we will create for our Payroll database: • Employee_Insert • Employee_Update • Employee_Delete • Department_Insert • Department_Update • Department_Delete • Designation_Insert • Designation_Update • Designation_Delete • ProvidentFund_Insert • ProvidentFund_Update • ProvidentFund_Delete • Salary_Insert • Salary_Update • Salary_Delete Here is the script for these procedures.
Entity Framework Tutorial by Joydip Kanjilal