EdmFunctions.Left(DbExpression, DbExpression) Method

Definition

Creates a DbFunctionExpression that invokes the canonical 'Left' function with the specified arguments, which must have a string and integer numeric result type. The result type of the expression is string.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbFunctionExpression ^ Left(System::Data::Common::CommandTrees::DbExpression ^ stringArgument, System::Data::Common::CommandTrees::DbExpression ^ length);
public static System.Data.Common.CommandTrees.DbFunctionExpression Left (this System.Data.Common.CommandTrees.DbExpression stringArgument, System.Data.Common.CommandTrees.DbExpression length);
static member Left : System.Data.Common.CommandTrees.DbExpression * System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function Left (stringArgument As DbExpression, length As DbExpression) As DbFunctionExpression

Parameters

stringArgument
DbExpression

An expression that specifies the string from which to extract the leftmost substring.

length
DbExpression

An expression that specifies the length of the leftmost substring to extract from stringArgument.

Returns

A new DbFunctionExpression that returns the leftmost substring of length length from stringArgument.

Exceptions

stringArgument length

stringArgument

Applies to