.net linq where return null

It will return an empty enumerable. It wont be null. You can sleep sound:)....

It will return an empty enumerable. It wont be null. You can sleep sound:).

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SingleOrDefault() will return the single matching object or the default .Si...

SingleOrDefault() will return the single matching object or the default .SingleOrDefault() will return null (or default of the type) if nothing exists.

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LINQ queries should never return null and you should not get an exception i...

LINQ queries should never return null and you should not get an exception if the result is empty. You probably have an error in your code.

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You can check if it's null with?: (conditional) operator: phone = dwn....

You can check if it's null with?: (conditional) operator: phone = dwn.220.v.uatItems == null? "": dwn.220.v.ua(ci => ci.

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var listItem = dwn.220.v.uarDefault(x => dwn.220.v.ua == Foo); if (listI...

var listItem = dwn.220.v.uarDefault(x => dwn.220.v.ua == Foo); if (listItem!= null) { //Do stuff }.

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Here min is either null (defaul(decimal?)) or the actual Min found. So a co...

Here min is either null (defaul(decimal?)) or the actual Min found. So a consumer of this result will know that if the result is null then the list had.

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You should try to avoid using the Count() method as a way to check whether ...

You should try to avoid using the Count() method as a way to check whether a sequence is empty or not. Phil Haack has an excellent article on.

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NET Framework. > Visual C# returned by the linq to sql query listed belo...

NET Framework. > Visual C# returned by the linq to sql query listed below as being null. Is there check for the value returned being a null.

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After all, the Framework Design Guidelines book recommends that methods and...

After all, the Framework Design Guidelines book recommends that methods and properties that return collection types never be null. This is so.

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LINQ didn't behave as I had expected when trying to query an object Th...

LINQ didn't behave as I had expected when trying to query an object This one is a little better, it doesn't throw an exception it returns null.

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Your current code generates an INNER JOIN, which as you've noticed, ex...

Your current code generates an INNER JOIN, which as you've noticed, excludes any Applicant without an ApplicantAddress. You want to.

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The biggest excuse I hear for people writing this type of code is that the ...

The biggest excuse I hear for people writing this type of code is that the select can never return null so the ToList() will never throw. I find it very.

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hey frnds i have a query in linq like this. var res = from UM in linq. be n...

hey frnds i have a query in linq like this. var res = from UM in linq. be null. The linq query will return the IEnumerable.

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First, I dwn.220.v.uarDefault() would return a NULL value if no records/seq...

First, I dwn.220.v.uarDefault() would return a NULL value if no records/sequences were not found. I ran the below code and after I get past the.

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how can i check that selectedProduct is empty or null or what ever conditio...

how can i check that selectedProduct is empty or null or what ever condition . problem with sproc in linq that when u r returing a result it return.

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