SpatialEdmFunctions.IsEmptySpatial Method (DbExpression)
Creates a DbFunctionExpression that invokes the canonical 'IsEmptySpatial' function with the specified argument, which must have an Edm.Geography or Edm.Geometry result type. The result type of the expression is Edm.Boolean.
Assembly: EntityFramework (in EntityFramework.dll)
Parameters
- spatialValue
-
Type:
System.Data.Entity.Core.Common.CommandTrees.DbExpression
An expression that specifies the spatial value from which the IsEmptySptiaal value should be retrieved.
Return Value
Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpressionA new DbFunctionExpression that returns a Boolean value indicating whether spatialValue is empty.