SpatialEdmFunctions.GeographyFromBinary Method (DbExpression, DbExpression)

.NET Framework (current version)
 

Creates a DbFunctionExpression that invokes the canonical 'GeographyFromBinary' function with the specified arguments. wellKnownBinaryValue must have a binary result type, while coordinateSystemId must have an integer numeric result type. The result type of the expression is Edm.Geography.

Namespace:   System.Data.Common.CommandTrees.ExpressionBuilder.Spatial
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public static DbFunctionExpression GeographyFromBinary(
	DbExpression wellKnownBinaryValue,
	DbExpression coordinateSystemId
)

Parameters

wellKnownBinaryValue
Type: System.Data.Common.CommandTrees.DbExpression

An expression that provides the well known binary representation of the geography value.

coordinateSystemId
Type: System.Data.Common.CommandTrees.DbExpression

An expression that provides the coordinate system id (SRID) of the geography value's coordinate system.

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression

A new DbFunctionExpression that returns a new geography value based on the specified values.

Exception Condition
ArgumentNullException

wellKnownBinaryValuecoordinateSystemId

ArgumentException

wellKnownBinaryValuecoordinateSystemId

.NET Framework
Available since 4.5
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