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OleDbCommand.OleDbCommand() Constructor

Initializes a new instance of the OleDbCommand class.

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

public OleDbCommand ()
public OleDbCommand ()
public function OleDbCommand ()
Not applicable.

The base constructor initializes all fields to their default values. The following table shows initial property values for an instance of OleDbCommand.

Properties

Initial Value

CommandText

empty string ("")

.Data.OleDb.OleDbCommand.CommandTimeout

30

.Data.OleDb.OleDbCommand.CommandType

Text

Connection

null

The following example creates an OleDbCommand and sets some of its properties.

public void CreateReader(string connectionString, string queryString)
{
    using (OleDbConnection connection = new OleDbConnection(connectionString))
    {
        OleDbCommand command = new OleDbCommand(queryString, connection);
        command.CommandTimeout = 20;

        connection.Open();
        OleDbDataReader reader = command.ExecuteReader();

        while (reader.Read())
        {
            Console.WriteLine(reader[0].ToString());
        }
        reader.Close();
    }
}

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0
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