Initial and final period must contains a date and not contains in other date

There is no ObjectStateEntry with a reference to an object of type in the ObjectStateManager.

EISK (Employee Info Starter Kit) is being used by me to create an application. This is how my entity diagram appears.... I'm attempting to use this code to update the application table.... int apId = Convert.ToInt32(Request.QueryString["ApplicationID"]); ApplicationBLL objGetApplication = new ApplicationBLL(); Ap...

When the EntityCollection or EntityReference does not contain any objects, load is called.

As stated in the title, I had an issue when I used Entity Framework 4.1's lazyload feature, which switched tracking off....The whole exception message is:...When an object is returned with a NoTracking merge option, Load can only be called when the EntityCollection or EntityReference does not contain objects...Anyone who understands why?

The connection string 'MyConnection' in the application's configuration file does not contain the required providerName attribute."

you don't have the next line of code after the...connectionString... attribute (in the event that SQL is being used):...providerName="System.Data.SqlClient"

EF code first - Model compatibility cannot be checked because the database does not contain model metadata

Here is a lengthy explanation of the potential solutions I wrote about a while ago...... (not precisely the same as what you're experiencing, therefore not a duplication in the strictest sense, but with many scenarios in mind)...https://stackoverflow.com/a/10255051/417747...To sum it up......What works for me is to use Update-Database -Script...Tha...

how to use entity framework to group by date not date with time

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How can I compare a nullable type date using user entered date?

I can't figure out how to make a comparison between a user-entered date and a date in a table made by EF6. I've tried a number of solutions that build but fail when executed while searching the database using LINQ Extensions....a user's input...DateTime userdate; DateTime.TryParse(search.Value, out userdate); ...Aims made so far:...a = dbContext.Me...

Does not contain a definition for 'CreateObjectSet' and no extension method 'CreateObjectSet'

When attempting to construct a generic repository pattern using EntityFramwork 6, I see the following error:...DBEntities does not contain a definition for 'CreateObjectSet' and no extension method 'CreateObjectSet'....This is the key:... private DBEntities entities = null; IObjectSet<T> _objectSet; public GenericRepository(DBEntities...

DbFunctions.TruncateTime() still producing "type member 'Date' is not supported" error

The LINQ query below is really giving me a hard time. I've read a lot about this problem, and practically everything I've read mentions using DbFunctions. TruncateTime(), however it doesn't appear to be working for me anymore. I'm hoping someone will look at this and tell me where I'm making a mistake. I simply want to compare the date component of...

IEnumerable<Entity>' does not contain a definition for 'GetAwaiter' for Async Task Method

var results = await (from s in db.IntermediaryAssignment where s.Dispatched == false && s.CompanyCode == company && s.RegistrationNumber == registrationNumber orderby s.StickerCode ascending select s).FirstOrDefaultAsync(); return results; ...

Getting all dates between two dates using datepickers and Entity Framework 6

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