SpatialEdmFunctions.PointCount(DbExpression) Method
Definition
Important
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Creates a DbFunctionExpression that invokes the canonical 'PointCount' 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 ^ PointCount(System::Data::Common::CommandTrees::DbExpression ^ spatialValue);
public static System.Data.Common.CommandTrees.DbFunctionExpression PointCount (this System.Data.Common.CommandTrees.DbExpression spatialValue);
static member PointCount : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function PointCount (spatialValue As DbExpression) As DbFunctionExpression
Parameters
- spatialValue
- DbExpression
An expression that specifies the spatial line string value from which the number of points should be retrieved.
Returns
A new DbFunctionExpression that returns either the number of points in spatialValue
or null
if spatialValue
is not a line string.
Exceptions
spatialValue
spatialValue
Applies to
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