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OleDbParameterCollection.Item Property (String)

Gets or sets the OleDbParameter with the specified name.

Namespace:  System.Data.OleDb
Assembly:  System.Data (in System.Data.dll)

public OleDbParameter this[
	string parameterName
] { get; set; }


Type: System.String
The name of the parameter to retrieve.

Property Value

Type: System.Data.OleDb.OleDbParameter
The OleDbParameter with the specified name.


The name specified does not exist.

The following example searches for an OleDbParameter with a given ParameterName within an OleDbParameterCollection. If the parameter exists, the example displays the name and index of the parameter. If the parameter does not exist, the example displays an error. This example assumes that an OleDbParameterCollection has already been created.

public void SearchParameters() 
    // ...
    // create OleDbParameterCollection parameters
    // ...
    if (!parameters.Contains("Description"))
        Console.WriteLine("ERROR: no such parameter in the collection");
        Console.WriteLine("Name: " + parameters["Description"].ToString() +
            "Index: " + parameters.IndexOf("Description").ToString());

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.