Category "entity-framework"

EntityDataSource - how to do WHERE Clause from different table

Hi I am using EF 4 and EntityDataSource in a Page (WebForms). This page contains a DropDownList that display UserName. Data from this DropDownList it is from "

The name 'EntityState' does not exist in the current context

In Entity Framework, this sometimes occurs when the System.data.entity assembly is not added into the Project. But, why I didn't have this error before in other

Unable to create an object of type 'DbContext'

When I try to run dotnet ef migration add Init I get error Unable to create an object of type 'IdentityContext'. I know what caused the problem. I wan

How can I project into the same DTO type twice?

The goal here is to update an IQueryable that projects into a dto so it only includes a subset of the properties that it originally included. The "subset" is be

How can I project into the same DTO type twice?

The goal here is to update an IQueryable that projects into a dto so it only includes a subset of the properties that it originally included. The "subset" is be