DbFunctions.Left(String, Nullable<Int64>) Method

Reference

Definition

Namespace:: System.Data.Entity

Assembly:: EntityFramework.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

When used as part of a LINQ to Entities query, this method invokes the canonical Left EDM function to return a given number of the leftmost characters in a string.

[System.Data.Entity.DbFunction("Edm", "Left")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="stringArgument")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1720:IdentifiersShouldNotContainTypeNames", MessageId="string")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="length")]
public static string Left (string stringArgument, Nullable<long> length);

static member Left : string * Nullable<int64> -> string

Public Shared Function Left (stringArgument As String, length As Nullable(Of Long)) As String

Parameters

stringArgument: String

The input string.

length: Nullable<Int64>

The number of characters to return

Returns

String

A string containing the number of characters asked for from the left of the input string.

Attributes: DbFunctionAttribute SuppressMessageAttribute

Remarks

You cannot call this function directly. This function can only appear within a LINQ to Entities query. This function is translated to a corresponding function in the database.

Applies to