Entity Framework Archive

Entity Type Has No Key Defined

While working on Entity Framework we face lot of problems. This article discusses and provides the solutions of a common error: ModelValidationException, Entity Type Has No Key Defined; one or more validation errors were detected during model generation. Generally this type of errors occurred when we try to add a Controller in the project. ModelValidationException

Context Has Changed Since the Database Was Created

At present Entity Framework is used widely. We face some problems during working with Entity Framework. It takes lot of times to find out the perfect solutions. This article describes and provides the solutions of a common error in Entity Framework: Context has changed since the database was created, Model backing a DB Context has

Entity Framework Interview Questions and Answers

ADO.NET Entity Framework is an advance framework developed by Microsoft Corporation. This article describes some common important interview questions with answers in ADO.NET Entity Framework. Hope it will help you to build successful carrier. What is ADO.NET Entity Framework or EF? ADO.NET Entity Framework is an ORM Framework developed by Microsoft. It is an enhancement

Insert, Update, Delete in Entity Framework

ADO.NET Entity Framework is an powerful tools to developed applications. This article explains basic CRUD operations in Entity Framework. This tutorial will help you to insert, update, delete, select, search data into SQL Server by using ADO.NET Entity Framework. For this we will use Students table. We will save Student ID, Name, Address, and Phone

Entity Data Model

The Entity Data Model or EDM is a graphical tools used to build entity framework based applications. This is none of the best features of entity framework. This article describes how to create .edmx file? Summary of the article: What is Entity Data Model (EDM)? What is .edmx File? Configuration/Creation of Entity Data Model (EDM)

Advantages and Disadvantages of Entity Framework

Entity Framework is an ORM tools. It is good for data accessing. It provides lot of benefits. But for the development of enterprise applications we should consider its performance. This article describes about the benefits of entity framework and limitations of entity framework. Summery of the article: Advantages of Entity Framework Disadvantages of Entity Framework

Entity Framework

Entity Framework is a data access technology for ASP.NET applications. For data access many technologies are present. Entity Framework is best for its simplicity and functionality. This article describes basic overview of Entity Framework or introduction of Entity Framework. Summary of the article: What is Entity Framework? History of Entity Framework Entity Framework Architecture What