SpatialEdmFunctions.GeographyMultiPolygonFromText Method

Definition

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

C#
public static System.Data.Common.CommandTrees.DbFunctionExpression GeographyMultiPolygonFromText(System.Data.Common.CommandTrees.DbExpression multiPolygonWellKnownText, System.Data.Common.CommandTrees.DbExpression coordinateSystemId);

Parameters

multiPolygonWellKnownText
DbExpression

An expression that provides the well known text representation of the geography multi-polygon value.

coordinateSystemId
DbExpression

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

Returns

A new DbFunctionExpression that returns a new geography multi-polygon value based on the specified values.

Exceptions

multiPolygonWellKnownText coordinateSystemId

multiPolygonWellKnownText coordinateSystemId

Applies to

Продукт Версии
.NET Framework 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1