I have millions of record that I want to insert in mysql table and I am using linq t开发者_如何学JAVAo entity for this. I want that it will use minimum database resource for inserting records.
The example uses Northwind database. The database has a \"Orders\" table which has \"ShipName\" and \"ShipAddress\" columns. The entity framework model in c# program has a
Here\'s my statement: startDate = (from n in db.Nodes where n.SeedID == mySeedID select n.CreatedDate).Max<DateTime>();
I just started working with EF 4.1 Code First and noticed that by default, references (navigation properties), are not loaded into memory with a POCO entity you queried with LINQ-to-Entity. I have had
I have a member table with columns memberid Firstname( values like jo开发者_运维百科hn,pop...)
productQuery1.SelectValue<Int32>(\"it.ProductID\"); How would I know what \"it\" means here? Whole example from MSDN docs
I use EF 4 and C#. I have a query like: var contentsAuthor = from c in context.CmsContents join a in context.CmsAuthors on c.AuthorId equals a.AuthorId
Hopefully this is a simple matter of me not understanding something basic.Below are two Linq statements from an application I\'m working on.
I\'m still learning Entity Framework and Linq-To-Entities, and I was wondering if a statement of this kind is possible:
This sort of thing: Dim MatchingValues() As Integer = {5, 6, 7} Return From e in context.entity Where MatchingValues.Contains(e.Id)
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