LinQ query Simple Where clause and many filter criteria

Where IN clause in LINQ to Entities query

I believe the solution is found somewhere along these lines......Array a = {1,2,3,4,5} ...WHERE a.Contains(ID)

Delete From DataContext Using ID == ID with a simple LINQ query

DataContext.Items.DeleteObject((Item)DataContext.Items.Where(item => item.ItemId == selectedId).First()); ...Don't forget to make sure the ID you are verifying belongs to a real person in order to avoid mistake....Item... . Consider something like this:...var item = (Item)DataContext.Items.Where(item => item.ItemId == selectedId).FirstOrDefault(); ...

WHERE clause with many criteria in a LINQ query

Your reasoning states that the other clauses won't be checked if x.Class1 is not null but x.Class1.SomeNumber is 3....If you want to determine if simply some...ClassN.SomeNumber == SomeNumber... then you should proceed as follows:...int SomeNumber = 1; // some number List<SomeClass> retValue = result .Where(x => { if (x....

How can I build a LINQ IN clause query that also acts as a LIKE operator?

You must verify that the lists are empty in order to fulfill your need to return all items if none are given....var brands = brandid.Split(',').Select(x => Int32.Parse(x)); var styles = bodystyleid.Split(',').Select(x => Int32.Parse(x)); var result = from c in car where (!brands.Any() || brands.Contains(c.brandid)) &...

Building dynamic where clauses in LINQ to EF queries

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Simple SELECT WHERE LINQ Query to a list

This will succeed....return db.sims.Where(x=>x.has_been_modified).ToList(); ...Here, technique Linq appears more tidy....You are not required to compare your bool value to true....In your earlier response, you utilized...s... as selected context...x... switching to...select s... should be effective...Think about employing lazy loading and avoid add...

Call custom function in EF LINQ query Where clause

Just to clarify my own query:...To tackle my problem, I'm going to use this thread as a guide to build an AndAlso expression....Extension procedure in the where clause of the linq to Entities

Linq Query with a Where clause in an Include statement

You are unable to...Where... within the...Where... however, you can use...Any... which will give a boolean result....var result = ctx.Offenders .Include(o => o.Fees) .Include(o => o.ViolationOffenders) .Include(o => o.ViolationOffenders.Select(of => of.Violation)) .Where(o => o.YouthNumber != "" && o.FirstName != "" && o.Fe...

Why does this linq query fail when I change the select clause to select new Model

That's why...Room... is one of your mapped entities, and you are not permitted to project to a mapped entity. You must project to an anonymous type or utilise a DTO.

How to pass an Expression into Entity Framework LINQ query OrderBy clause

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