Ask Learn
Preview
Ask Learn is an AI assistant that can answer questions, clarify concepts, and define terms using trusted Microsoft documentation.
Please sign in to use Ask Learn.
Sign inThis browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Creates a DbFunctionExpression that invokes the canonical 'Var' function over the non-null members of the specified collection. The result type of the expression is Edm.Double.
public:
[System::Runtime::CompilerServices::Extension]
static System::Data::Common::CommandTrees::DbFunctionExpression ^ Var(System::Data::Common::CommandTrees::DbExpression ^ collection);
public static System.Data.Common.CommandTrees.DbFunctionExpression Var(this System.Data.Common.CommandTrees.DbExpression collection);
static member Var : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function Var (collection As DbExpression) As DbFunctionExpression
An expression that specifies the collection for which the statistical variance should be computed.
A new DbFunctionExpression that produces the statistical variance value for the non-null members of the collection.
collection
is null
.
collection
is invalid.
Product | Versions |
---|---|
.NET Framework | 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET feedback
.NET is an open source project. Select a link to provide feedback:
Ask Learn is an AI assistant that can answer questions, clarify concepts, and define terms using trusted Microsoft documentation.
Please sign in to use Ask Learn.
Sign in