Latest posts on "entity-framework"

Unable to update the EntitySet 'table' because it has DefiningQuery and no DeleteFunction element exists in the ModificationFunctionMapping

By: Mohamed Rasik | Feb,19 2019 | Category: entity framework

In this tutorial i will show how to resolve the error "Unable to update the EntitySet because it has a DefiningQuery and no element exists in the element to support the current operation".

The type 'EntityState' is defined in an assembly that is not referenced. You must add a reference to assembly System.Data.Entity

By: Mohamed Rasik | Sep,28 2017 | Category: entity framework

I just got experience this issue with MVC5 in visual studio 2015 for web, finally I found solution adding entity framework to my project.

The number of primary key values passed must match number of primary key values defined on the entity.Parameter name: keyValues

By: Mohamed Rasik | Apr,29 2017 | Category: entity framework

This error is happening when the entity table having more than one primary key value in the .edmx file.

How to create password encryption and decryption in c# asp.net (entity framework)?

By: Mohamed Rasik | Oct,17 2016 | Category: entity framework

In this article, I will show you how to create password encryption and decryption in c# asp.net. I am going to encrypt password before saving using the entity framework sql server.

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