LINQ Learning.com

LINQ to Entities LINQ to Entities provides Language-Integrated Query (LINQ) support that enables developers to write queries against the Entity Framework... [read more]

Just a quick recommendation note: One of my colleagues, Julien Hanssens, has started blogging on his experiences with the Entity Framework and LINQ. Here are s... [read more]

I would like to know what is the best way of creating dynamic queries with entity framework and linq. I want to create a service that has many parameters for so... [read more]

I’m using Entity Framework with MySQL and I can’t get the right query execution. I’m trying to have one point for accessing a type of object. I.e. Address... [read more]

Last month I delivered a WebCast that covered the new data access features coming in the next wave of developer technologies, namely LINQ (including LINQ to Dat... [read more]

What’s the most efficient way to select multiple entities by primary key? public IEnumerable<Models.Image> GetImagesById(IEnumerable<int> ids) { /... [read more]

Is there exists T-Sql – like function MERGE for .NET Entity framework 4 ? No there no such built-in functionality – you must build your own. Very common is ... [read more]

edmx file: OrderData: ORDERID SHIPMENT DRIVER_ID RECEIVE_NAME we need to build a table and print for each DRIVER_ID first column:DRIVER_ID second column: how ma... [read more]

I need to know what am I doing wrong, because the generated query doesn’t match with the attributes of the data base table and I think that my class was well ... [read more]

I have: Dictionary<int, List<int>> dict = new ... var a = SomeEntity.Where(f => dict[f.key].Contains(f.someValue)) this produces error LINQ to En... [read more]

I have a many to many relationship between Contractors and SafetyCouncils. They are joined by a bridge table ContractorsSafetyCouncils which consists of Contrac... [read more]

I posted a couple of questions about filtering in an eager loading query, and I guess the EF does not support filtering inside of the Include statement, so I ca... [read more]

I know that Entity Framework has some LINQ support problems (at least in comparison to its predecessor LINQ to SQL)…and usually I’m able to find a creative ... [read more]

i have a class like this public class Survey { public Survey() { SurveyResponses=new List<SurveyResponse>(); } public Guid SurveyId { get; set; } public s... [read more]

I’m pretty new to MVC and the Entity Framework, but I’m sure this should be straight forward. I’ve got a class with a boolean “Active” flag. I then ha... [read more]