SpatialEdmFunctions.SpatialElementCount(DbExpression) Method

Definition

Creates a DbFunctionExpression that invokes the canonical 'SpatialElementCount' function with the specified argument, which must have an Edm.Geography or Edm.Geometry result type. The result type of the expression is Edm.Int32.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ SpatialElementCount(System::Data::Common::CommandTrees::DbExpression ^ spatialValue);
public static System.Data.Common.CommandTrees.DbFunctionExpression SpatialElementCount (this System.Data.Common.CommandTrees.DbExpression spatialValue);
static member SpatialElementCount : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function SpatialElementCount (spatialValue As DbExpression) As DbFunctionExpression

Parameters

spatialValue
DbExpression

An expression that specifies the geography or geometry collection value from which the number of elements should be retrieved.

Returns

DbFunctionExpression

A new DbFunctionExpression that returns either the number of elements in spatialValue or null if spatialValue is not a collection.

Exceptions

spatialValue

spatialValue

Applies to