Export (0) Print
Expand All

OleDbCommand Constructor (String, OleDbConnection, OleDbTransaction)

Initializes a new instance of the OleDbCommand class with the text of the query, an OleDbConnection, and the Transaction.

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

public OleDbCommand(
	string cmdText,
	OleDbConnection connection,
	OleDbTransaction transaction
)

Parameters

cmdText
Type: System.String

The text of the query.

connection
Type: System.Data.OleDb.OleDbConnection

An OleDbConnection that represents the connection to a data source.

transaction
Type: System.Data.OleDb.OleDbTransaction

The transaction in which the OleDbCommand executes.

The following table shows initial property values for an instance of OleDbCommand.

Properties

Initial Value

CommandText

cmdText

[!:System.Data.OleDb.OleDbCommand.CommandTimeout]

30

CommandType

Text

Connection

A new OleDbConnection that is the value for the connection parameter.

You can change the value for any of these parameters by setting the related property.

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();
    }
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.

Show:
© 2014 Microsoft