SpatialEdmFunctions.Elevation Method (DbExpression)
Creates a DbFunctionExpression that invokes the canonical 'Elevation' function with the specified argument, which must have an Edm.Geography or Edm.Geometry result type. The result type of the expression is Edm.Double.
Assembly: EntityFramework (in EntityFramework.dll)
Parameters
- spatialValue
-
Type:
System.Data.Entity.Core.Common.CommandTrees.DbExpression
An expression that specifies the spatial point value from which the elevation (Z co-ordinate) value should be retrieved.
Return Value
Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpressionA new DbFunctionExpression that returns either the elevation value of spatialValue or null if spatialValue is not a point.