SpatialEdmFunctions.GeometryLineFromText(DbExpression, DbExpression) 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 'GeometryLineFromText' function with the specified arguments. lineWellKnownText 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 ^ GeometryLineFromText(System::Data::Common::CommandTrees::DbExpression ^ lineWellKnownText, System::Data::Common::CommandTrees::DbExpression ^ coordinateSystemId);

public static System.Data.Common.CommandTrees.DbFunctionExpression GeometryLineFromText (System.Data.Common.CommandTrees.DbExpression lineWellKnownText, System.Data.Common.CommandTrees.DbExpression coordinateSystemId);

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

Public Function GeometryLineFromText (lineWellKnownText As DbExpression, coordinateSystemId As DbExpression) As DbFunctionExpression

Parameters

lineWellKnownText: DbExpression

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

coordinateSystemId: DbExpression

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

Returns

DbFunctionExpression

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

Exceptions

ArgumentNullException

lineWellKnownText coordinateSystemId

ArgumentException