SpatialEdmFunctions.GeographyPointFromBinary Method (DbExpression, DbExpression)
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.
Assembly: EntityFramework (in EntityFramework.dll)
public static DbFunctionExpression GeographyPointFromBinary( DbExpression pointWellKnownBinaryValue, DbExpression coordinateSystemId )
Parameters
- pointWellKnownBinaryValue
-
Type:
System.Data.Entity.Core.Common.CommandTrees.DbExpression
An expression that provides the well known binary representation of the geography point value.
- coordinateSystemId
-
Type:
System.Data.Entity.Core.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.Entity.Core.Common.CommandTrees.DbFunctionExpressionA new DbFunctionExpression that returns a new geography point value based on the specified values.