Using the entity framework to limit query size

Question

Using the entity framework to limit query size

c# entity-framework sql

Question

this is a simple question (I think), but I have not been able to find a solution. I know with other types of queries, you can add a limit clause that makes the query only return up to that many results. Is this possible with an entity query?

var productQuery = from b in solutionContext.Version
                               where b.Product.ID != 1 && b.VersionNumber == b.Product.ActiveNumber
                               orderby b.Product.LastNumber
                               select b;

I just want to make it so this query only returns 25 version objects. Thanks for any help.

PFranchise

Popular Answer

What you're looking for is Take:

var productQuery = (from b in solutionContext.Version
                   where b.Product.ID != 1 
                       && b.VersionNumber == b.Product.ActiveNumber
                   orderby b.Product.LastNumber
                   select b).Take(25);

Justin Niessner

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ÅukaszW.pl · Accepted Answer · 7/27/2010 2:12:18 PM

sure.. for example you can do it like this:

var productQuery = from b in solutionContext.Version
                           where b.Product.ID != 1 && b.VersionNumber == b.Product.ActiveNumber
                           orderby b.Product.LastNumber
                           select b;

var limitedProductQuery = productQuery.Take(25);

also you may need this for paging results:

var pagedProductQuery = productQuery.Skip(25 * page).Take(25)

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