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OracleCommand Constructor (String, OracleConnection, OracleTransaction)

Initializes a new instance of the OracleCommand class with the text of the query, an OracleConnection object, and an OracleTransaction.

Namespace:  System.Data.OracleClient
Assembly:  System.Data.OracleClient (in System.Data.OracleClient.dll)
Public Sub New ( _
	commandText As String, _
	connection As OracleConnection, _
	tx As OracleTransaction _


Type: System.String

The text of the query.

Type: System.Data.OracleClient.OracleConnection

An OracleConnection object that represents the connection to a database.

Type: System.Data.OracleClient.OracleTransaction

The OracleTransaction in which the OracleCommand executes.

The following table shows initial property values for an instance of this implementation of the OracleCommand.


Initial Value






A new OracleConnection 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 OracleCommand and sets some of its properties.

Public Sub CreateOracleCommand(ByVal connectionString As String)
    Using connection As New OracleConnection(connectionString)
        Dim transaction As OracleTransaction = connection.BeginTransaction()
        Dim queryString As String = _
           "SELECT * FROM Emp ORDER BY EmpNo" 
        Dim command As New OracleCommand(queryString, connection, transaction)
        command.CommandType = CommandType.Text
    End Using 
End Sub

.NET Framework

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

Windows Phone 8.1, Windows Phone 8, 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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