SpatialEdmFunctions.GeographyMultiPolygonFromText Method (DbExpression, DbExpression)

 

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.

Namespace:   System.Data.Entity.Core.Common.CommandTrees.ExpressionBuilder.Spatial
Assembly:  EntityFramework (in EntityFramework.dll)

[SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", 
	MessageId = "Multi", Justification = "Match OGC, EDM")]
[SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", 
	MessageId = "multi", Justification = "Match OGC, EDM")]
public static DbFunctionExpression GeographyMultiPolygonFromText(
	DbExpression multiPolygonWellKnownText,
	DbExpression coordinateSystemId
)

Parameters

multiPolygonWellKnownText
Type: System.Data.Entity.Core.Common.CommandTrees.DbExpression

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

coordinateSystemId
Type: System.Data.Entity.Core.Common.CommandTrees.DbExpression

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

Return Value

Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression

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