संपादित करें

इसके माध्यम से साझा किया गया


SpatialEdmFunctions.SpatialUnion(DbExpression, DbExpression) Method

Definition

Creates a DbFunctionExpression that invokes the canonical 'SpatialUnion' function with the specified arguments, which must each have an Edm.Geography or Edm.Geometry result type. The result type of spatialValue1 must match the result type of spatialValue2. The result type of the expression is the same as the type of spatialValue1 and spatialValue2.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ SpatialUnion(System::Data::Common::CommandTrees::DbExpression ^ spatialValue1, System::Data::Common::CommandTrees::DbExpression ^ spatialValue2);
public static System.Data.Common.CommandTrees.DbFunctionExpression SpatialUnion (this System.Data.Common.CommandTrees.DbExpression spatialValue1, System.Data.Common.CommandTrees.DbExpression spatialValue2);
static member SpatialUnion : System.Data.Common.CommandTrees.DbExpression * System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function SpatialUnion (spatialValue1 As DbExpression, spatialValue2 As DbExpression) As DbFunctionExpression

Parameters

spatialValue1
DbExpression

An expression that specifies the first spatial value.

spatialValue2
DbExpression

An expression that specifies the spatial value for which the union with spatialValue1 should be computed.

Returns

A new DbFunctionExpression that returns the spatial value representing the union of spatialValue1 and spatialValue2.

Exceptions

spatialValue1 spatialValue2

spatialValue1 spatialValue2

Applies to