EdmFunctions.Length(DbExpression) Method

Reference

Definition

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

Assembly:: System.Data.Entity.dll

Important

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Creates a DbFunctionExpression that invokes the canonical 'Length' function with the specified argument, which must have a string result type. The result type of the expression is Edm.Int32.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ Length(System::Data::Common::CommandTrees::DbExpression ^ stringArgument);

public static System.Data.Common.CommandTrees.DbFunctionExpression Length (this System.Data.Common.CommandTrees.DbExpression stringArgument);

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

<Extension()>
Public Function Length (stringArgument As DbExpression) As DbFunctionExpression

Parameters

stringArgument: DbExpression

An expression that specifies the string for which the length should be computed.

Returns

DbFunctionExpression

A new DbFunctionExpression that returns the length of stringArgument.

Exceptions

ArgumentNullException

stringArgument is null.

ArgumentException

stringArgument is invalid.

Applies to