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SqlFunctions.CharIndex Method (String, String, Nullable(Of Int32))

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)

'Declaration
<EdmFunctionAttribute("SqlServer", "CHARINDEX")> _
Public Shared Function CharIndex ( _
	toSearch As String, _
	target As String, _
	startLocation As Nullable(Of Integer) _
) As Nullable(Of Integer)

Parameters

toSearch
Type: System.String

The string expression to be searched.

target
Type: System.String

The string expression to be found.

startLocation
Type: System.Nullable(Of Int32)

The character position in toSearch where searching begins.

Return Value

Type: System.Nullable(Of Int32)
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: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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