SpatialEdmFunctions.GeographyPointFromBinary Method (DbExpression, DbExpression)

.NET Framework (current version)
 
System_CAPS_noteNote

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Creates a DbFunctionExpression that invokes the canonical 'GeographyPointFromBinary' function with the specified arguments. pointWellKnownBinaryValue 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 GeographyPointFromBinary(
	DbExpression pointWellKnownBinaryValue,
	DbExpression coordinateSystemId
)

Parameters

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

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

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

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

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression

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

Exception Condition
ArgumentNullException

pointWellKnownBinaryValuecoordinateSystemId

ArgumentException

pointWellKnownBinaryValuecoordinateSystemId

.NET Framework
Available since 4.5
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