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DbSpatialServices.GetArea Method

  • Reference

Definition

Namespace:
System.Data.Entity.Spatial
Assembly:
EntityFramework.dll

Overloads

GetArea(DbGeography)

Returns a nullable double value that indicates the area of the given DbGeography value, which may be null if the value does not represent a surface.
GetArea(DbGeometry)

Returns a nullable double value that indicates the area of the given DbGeometry value, which may be null if the value does not represent a surface.

GetArea(DbGeography)

Returns a nullable double value that indicates the area of the given DbGeography value, which may be null if the value does not represent a surface.

public abstract Nullable<double> GetArea (System.Data.Entity.Spatial.DbGeography geographyValue);
abstract member GetArea : System.Data.Entity.Spatial.DbGeography -> Nullable<double>
Public MustOverride Function GetArea (geographyValue As DbGeography) As Nullable(Of Double)

Parameters

geographyValue
DbGeography

The geography value, which need not represent a surface.

Returns

Nullable<Double>

A nullable double value that indicates the area of the given DbGeography value.

Exceptions

ArgumentNullException

geographyValue is null.

ArgumentException

geographyValue is not compatible with this spatial services implementation.

Applies to

GetArea(DbGeometry)

Returns a nullable double value that indicates the area of the given DbGeometry value, which may be null if the value does not represent a surface.

public abstract Nullable<double> GetArea (System.Data.Entity.Spatial.DbGeometry geometryValue);
abstract member GetArea : System.Data.Entity.Spatial.DbGeometry -> Nullable<double>
Public MustOverride Function GetArea (geometryValue As DbGeometry) As Nullable(Of Double)

Parameters

geometryValue
DbGeometry

The geometry value, which need not represent a surface.

Returns

Nullable<Double>

A nullable double value that indicates the area of the given DbGeometry value.

Exceptions

ArgumentNullException

geometryValue is null.

ArgumentException

geometryValue is not compatible with this spatial services implementation.

Applies to