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SpatialEdmFunctions.GeographyCollectionFromText Method

.NET Framework 4.5

Creates a DbFunctionExpression that invokes the canonical 'GeographyCollectionFromText' function with the specified arguments. geographyCollectionWellKnownText 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.Common.CommandTrees.ExpressionBuilder.Spatial
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public static DbFunctionExpression GeographyCollectionFromText(
	DbExpression geographyCollectionWellKnownText,
	DbExpression coordinateSystemId
)

Parameters

geographyCollectionWellKnownText
Type: System.Data.Common.CommandTrees.DbExpression

An expression that provides the well known text representation of the geography collection value.

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

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

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression
A new DbFunctionExpression that returns a new geography collection value based on the specified values.

ExceptionCondition
ArgumentNullException

geographyCollectionWellKnownTextcoordinateSystemId

ArgumentException

geographyCollectionWellKnownTextcoordinateSystemId

.NET Framework

Supported in: 4.6, 4.5
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