SpatialEdmFunctions.IsRing Method (DbExpression)
Creates a DbFunctionExpression that invokes the canonical 'IsRing' function with the specified argument, which must have an Edm.Geometry result type. The result type is Edm.Boolean.
Assembly: EntityFramework (in EntityFramework.dll)
Parameters
- geometryValue
-
Type:
System.Data.Entity.Core.Common.CommandTrees.DbExpression
An expression that specifies the geometry curve value from which the IsRing value should be retrieved.
Return Value
Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpressionA new DbFunctionExpression that returns either a Boolean value indicating whether geometryValue is a ring (both closed and simple), or null if geometryValue is not a curve.