Length Method

EdmFunctions.Length Method (DbExpression)

.NET Framework (current version)
 

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.

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

public static DbFunctionExpression Length(
	this DbExpression stringArgument
)

Parameters

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

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

Return Value

Type: System.Data.Common.CommandTrees.DbFunctionExpression

A new DbFunctionExpression that returns the length of stringArgument.

Exception Condition
ArgumentNullException

stringArgument

ArgumentException

stringArgument

.NET Framework
Available since 4.5
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