Querying data via the DbSet Learn Entity Framework Core

Data querying in Entity Framework Core is performed against the DbSet properties of the DbContext. The DbSet represents a collection of entities of a specific type - the type specified by the type parameter.
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Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

LINQ Single vs SingleOrDefault vs. - Technical Overload Many people get confused about the difference between Single, SingleOrDefault, First, and FirstOrDefault methods in Linq. Below is a chart explaining the difference between them and examples of each scenario.

Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

Language Integrated Query - Wikipedia Language Integrated Query (LINQ, pronounced 'link') is a Framework component that adds native data querying capabilities to .NET languages, originally released as a major part of .NET Framework 3.5 in 2007.

Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

C# LINQ specified cast is not valid - Experts Exchange hi all im getting : Specified cast is not valid on the below code can anyone help me out in how to troubleshoot it? i googled it but cant really find much on it that...

Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

Method (. Returns a single, specific element of a sequence, or a default value if that element is not found.

Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

LINQ: When to use SingleOrDefault vs. FirstOrDefault. Whenever you use SingleOrDefault, you clearly state that the query should result in at most a single result. On the other hand, when FirstOrDefault is used, the query can return any amount of results but you state that you only want the first one.

Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

Method () Microsoft Docs Examples. The following code example demonstrates how to use Single(IEnumerable, Func) to select the only element of an array that satisfies a condition.

Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

The Entity Framework Core DbSet Learn Entity Framework Core The Entity Framework Core DbSet class's role and capabilities

Querying data via the DbSet Learn Entity Framework Core

Re: Single or singleordefault

c# - Check if single() LINQ return NULL - Stack Overflow Use SingleOrDefault instead. Single throws an exception when the enumeration does not contain exactly one element, SingleOrDefault returns default(T) (which is null for reference types) when called on empty enumerations instead.