This documentation is archived and is not being maintained.

SqlFunctions::CharIndex Method (array<Byte>, array<Byte>, Nullable<Int64>)

Returns the starting position of one expression found within another expression.

Namespace:  System.Data.Objects.SqlClient
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

[EdmFunctionAttribute(L"SqlServer", L"CHARINDEX")]
static Nullable<long long> CharIndex(
	array<unsigned char>^ toSearch, 
	array<unsigned char>^ target, 
	Nullable<long long> startLocation


Type: array<System::Byte>
The string expression to be searched.
Type: array<System::Byte>
The string expression to be found.
Type: System::Nullable<Int64>
The character position in toSearch at which searching begins.

Return Value

Type: System::Nullable<Int64>
The starting position of target if it is found in toSearch.

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. For information about the corresponding SQL Server function, see CHARINDEX (Transact-SQL).

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.