SpatialEdmFunctions.GeometryPolygonFromText Method

Reference

Definition

Namespace:: System.Data.Common.CommandTrees.ExpressionBuilder.Spatial

Assembly:: System.Data.Entity.dll

Important

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Creates a DbFunctionExpression that invokes the canonical 'GeometryPolygonFromText' function with the specified arguments. polygonWellKnownText must have a string result type, while coordinateSystemId must have an integer numeric result type. The result type of the expression is Edm.Geometry.

public:
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ GeometryPolygonFromText(System::Data::Common::CommandTrees::DbExpression ^ polygonWellKnownText, System::Data::Common::CommandTrees::DbExpression ^ coordinateSystemId);

public static System.Data.Common.CommandTrees.DbFunctionExpression GeometryPolygonFromText (System.Data.Common.CommandTrees.DbExpression polygonWellKnownText, System.Data.Common.CommandTrees.DbExpression coordinateSystemId);

static member GeometryPolygonFromText : System.Data.Common.CommandTrees.DbExpression * System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression

Public Function GeometryPolygonFromText (polygonWellKnownText As DbExpression, coordinateSystemId As DbExpression) As DbFunctionExpression

Parameters

polygonWellKnownText: DbExpression

An expression that provides the well known text representation of the geometry polygon value.

coordinateSystemId: DbExpression

An expression that provides the coordinate system id (SRID) of the geometry polygon value's coordinate system.

Returns

DbFunctionExpression

A new DbFunctionExpression that returns a new geometry polygon value based on the specified values.

Exceptions

ArgumentNullException

polygonWellKnownText coordinateSystemId

ArgumentException