WebFeb 16, 2015 · and as your DXContext doesn't derive from it, those keys don't get defined. If you dig into the sources of Microsoft.AspNet.Identity.EntityFramework, you will understand everything. I came across this situation some time ago, and I found three possible solutions (maybe there are more): WebJan 12, 2024 · Entities cannot contain navigation properties to keyless entity types. Need to be configured with a [Keyless] data annotation or a .HasNoKey () method call. May be mapped to a defining query. A defining query is a query declared in the model that acts as a data source for a keyless entity type. Can have a hierarchy, but it must be mapped as TPH.
entity type has no key defined error - help please!
WebDec 10, 2016 · Entity Framework will warn you that the entity contains no primary key and it will do its best to infer one for you but can't always do so. In fact, it will generally just infer the combination of all columns in your view as an entity key, and if you legitimately have data that's duplicated, things can get messy. WebOct 7, 2024 · ADO.NET, Entity Framework, LINQ to SQL, ... Web.DAL.IdentityUserRole: : EntityType 'IdentityUserRole' has no key defined. Define the key for this EntityType. IdentityUserLogins: EntityType: EntitySet 'IdentityUserLogins' is based on type 'IdentityUserLogin' that has no keys defined. IdentityUserRoles: EntityType: EntitySet … exterior wood white paint
EF CodeFirst - no key defined - social.msdn.microsoft.com
WebOct 14, 2024 · Entity Framework allows your entities to have composite keys - that's a key that is made up of more than one property. For example, you could have a BlogSettings entity that represents a users settings for a particular blog. WebMar 20, 2024 · System.Data.Edm.EdmEntityType: : EntityType 'AttributeType' has no key defined. Define the key for this EntityType. System.Data.Edm.EdmEntityType: : EntityType 'ValType' has no key defined. Define the key for this EntityType. System.Data.Edm.EdmEntityType: : EntityType 'LookupAttributeType' has no key … WebOct 7, 2024 · Define then key IN THE DESIGNER, and then try an updatefromdatabase (right click on the designer), then choose refresh. If this doesnt work maybe while working you created two databases with two connection strings ..verify this in the configuaration file and then see also if the connection used bya the file created by the designer is the right … exteris bayer