OracleDataAdapter Constructores
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Inicializa una nueva instancia de la clase OracleDataAdapter.
Sobrecargas
OracleDataAdapter() |
Inicializa una nueva instancia de la clase OracleDataAdapter. |
OracleDataAdapter(OracleCommand) |
Inicializa una nueva instancia de la clase OracleDataAdapter con la instrucción SQL SELECT especificada. |
OracleDataAdapter(String, OracleConnection) |
Inicializa una nueva instancia de la clase OracleDataAdapter con una instrucción SQL SELECT y OracleConnection. |
OracleDataAdapter(String, String) |
Inicializa una nueva instancia de la clase OracleDataAdapter con una instrucción SQL SELECT y una cadena de conexión. |
OracleDataAdapter()
Inicializa una nueva instancia de la clase OracleDataAdapter.
public:
OracleDataAdapter();
public OracleDataAdapter ();
Public Sub New ()
Ejemplos
En el ejemplo siguiente se crea y OracleDataAdapter se establecen algunas de sus propiedades.
Public Sub CreateOracleDataAdapter()
Dim myOracleConnection As OracleConnection = New OracleConnection("Data Source=Oracle8i;Integrated Security=yes")
Dim custDA As OracleDataAdapter = New OracleDataAdapter
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey
custDA.SelectCommand = New OracleCommand("SELECT DeptNo, DName FROM Dept", myOracleConnection)
custDA.InsertCommand = New OracleCommand("INSERT INTO Dept (DeptNo, DName) " & _
"VALUES (:pDeptNo, :pDName)", myOracleConnection)
custDA.UpdateCommand = New OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, DName = :pDName " & _
"WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.DeleteCommand = New OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.InsertCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.UpdateCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
End Sub
public static void CreateOracleDataAdapter()
{
OracleConnection myOracleConnection = new OracleConnection("Data Source=Oracle8i;Integrated Security=yes");
OracleDataAdapter custDA = new OracleDataAdapter();
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey;
custDA.SelectCommand = new OracleCommand("SELECT DeptNo, CompanyName FROM Dept", myOracleConnection);
custDA.InsertCommand = new OracleCommand("INSERT INTO Dept (DeptNo, CompanyName) " +
"VALUES (:pDeptNo, :pCompanyName)", myOracleConnection);
custDA.UpdateCommand = new OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, CompanyName = :pCompanyName " +
"WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.DeleteCommand = new OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.InsertCommand.Parameters.Add("pCompanyName", OracleType.VarChar, 14, "CompanyName");
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.UpdateCommand.Parameters.Add("pCompanyName", OracleType.VarChar, 14, "CompanyName");
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
}
Comentarios
Al crear una instancia de , las siguientes propiedades de OracleDataAdapterlectura y escritura se establecen en sus valores predeterminados, como se muestra en la tabla.
Propiedades | Valor predeterminado |
---|---|
MissingMappingAction | MissingMappingAction.Passthrough |
MissingSchemaAction | MissingSchemaAction.Add |
Puede cambiar el valor de cualquiera de estas propiedades a través de una llamada independiente a la propiedad .
Consulte también
Se aplica a
OracleDataAdapter(OracleCommand)
Inicializa una nueva instancia de la clase OracleDataAdapter con la instrucción SQL SELECT especificada.
public:
OracleDataAdapter(System::Data::OracleClient::OracleCommand ^ selectCommand);
public OracleDataAdapter (System.Data.OracleClient.OracleCommand selectCommand);
new System.Data.OracleClient.OracleDataAdapter : System.Data.OracleClient.OracleCommand -> System.Data.OracleClient.OracleDataAdapter
Public Sub New (selectCommand As OracleCommand)
Parámetros
- selectCommand
- OracleCommand
OracleCommand que es una instrucción SQL SELECT o un procedimiento almacenado y se establece como la propiedad SelectCommand de OracleDataAdapter.
Ejemplos
En el ejemplo siguiente se crea y OracleDataAdapter se establecen algunas de sus propiedades.
Public Sub CreateOracleDataAdapter()
Dim myOracleConnection As OracleConnection = New OracleConnection("Data Source=Oracle8i;Integrated Security=yes")
Dim myOracleCommand As OracleCommand = New OracleCommand("SELECT DeptNo, DName FROM Dept", myOracleConnection)
Dim custDA As OracleDataAdapter = New OracleDataAdapter(myOracleCommand)
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey
custDA.InsertCommand = New OracleCommand("INSERT INTO Dept (DeptNo, DName) " & _
"VALUES (:pDeptNo, :pDName)", myOracleConnection)
custDA.UpdateCommand = New OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, DName = :pDName " & _
"WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.DeleteCommand = New OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.InsertCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.UpdateCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
End Sub
public static void CreateOracleDataAdapter()
{
OracleConnection myOracleConnection = new OracleConnection("Data Source=Oracle8i;Integrated Security=yes");
OracleCommand myOracleCommand = new OracleCommand("SELECT DeptNo, DName FROM Dept", myOracleConnection);
OracleDataAdapter custDA = new OracleDataAdapter(myOracleCommand);
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey;
custDA.InsertCommand = new OracleCommand("INSERT INTO Dept (DeptNo, DName) " +
"VALUES (:pDeptNo, :pDName)", myOracleConnection);
custDA.UpdateCommand = new OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, DName = :pDName " +
"WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.DeleteCommand = new OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.InsertCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName");
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.UpdateCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName");
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
}
Comentarios
Esta implementación del OracleDataAdapter constructor establece la SelectCommand propiedad en el valor especificado en el selectCommand
parámetro .
Al crear una instancia de , las siguientes propiedades de OracleDataAdapterlectura y escritura se establecen en sus valores predeterminados, como se muestra en la tabla.
Propiedades | Valor inicial |
---|---|
MissingMappingAction | MissingMappingAction.Passthrough |
MissingSchemaAction | MissingSchemaAction.Add |
Puede cambiar el valor de cualquiera de estas propiedades a través de una llamada independiente a la propiedad .
Consulte también
Se aplica a
OracleDataAdapter(String, OracleConnection)
Inicializa una nueva instancia de la clase OracleDataAdapter con una instrucción SQL SELECT y OracleConnection.
public:
OracleDataAdapter(System::String ^ selectCommandText, System::Data::OracleClient::OracleConnection ^ selectConnection);
public OracleDataAdapter (string selectCommandText, System.Data.OracleClient.OracleConnection selectConnection);
new System.Data.OracleClient.OracleDataAdapter : string * System.Data.OracleClient.OracleConnection -> System.Data.OracleClient.OracleDataAdapter
Public Sub New (selectCommandText As String, selectConnection As OracleConnection)
Parámetros
- selectCommandText
- String
Cadena que es una instrucción SQL SELECT o un procedimiento almacenado que debe utilizar la propiedad SelectCommand de OracleDataAdapter.
- selectConnection
- OracleConnection
OracleConnection que representa la conexión.
Ejemplos
En el ejemplo siguiente se crea y OracleDataAdapter se establecen algunas de sus propiedades.
Public Sub CreateOracleDataAdapter()
Dim myOracleConnection As OracleConnection = New OracleConnection("Data Source=Oracle8i;Integrated Security=yes")
Dim mySelectText As String = "SELECT DeptNo, DName FROM Dept"
Dim custDA As OracleDataAdapter = New OracleDataAdapter(mySelectText, myOracleConnection)
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey
custDA.InsertCommand = New OracleCommand("INSERT INTO Dept (DeptNo, DName) " & _
"VALUES (:pDeptNo, :pDName)", myOracleConnection)
custDA.UpdateCommand = New OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, DName = :pDName " & _
"WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.DeleteCommand = New OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.InsertCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.UpdateCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
End Sub
public static void CreateOracleDataAdapter()
{
OracleConnection myOracleConnection = new OracleConnection("Data Source=Oracle8i;Integrated Security=yes");
string mySelectText = "SELECT DeptNo, DName FROM Dept";
OracleDataAdapter custDA = new OracleDataAdapter(mySelectText, myOracleConnection );
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey;
custDA.InsertCommand = new OracleCommand("INSERT INTO Dept (DeptNo, DName) " +
"VALUES (:pDeptNo, :pDName)", myOracleConnection);
custDA.UpdateCommand = new OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, DName = :pDName " +
"WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.DeleteCommand = new OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.InsertCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName");
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.UpdateCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName");
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
}
Comentarios
Esta implementación de OracleDataAdapter puede ser útil en una aplicación que debe llamar al Fill
método para dos o más OracleDataAdapter objetos.
Consulte también
Se aplica a
OracleDataAdapter(String, String)
Inicializa una nueva instancia de la clase OracleDataAdapter con una instrucción SQL SELECT y una cadena de conexión.
public:
OracleDataAdapter(System::String ^ selectCommandText, System::String ^ selectConnectionString);
public OracleDataAdapter (string selectCommandText, string selectConnectionString);
new System.Data.OracleClient.OracleDataAdapter : string * string -> System.Data.OracleClient.OracleDataAdapter
Public Sub New (selectCommandText As String, selectConnectionString As String)
Parámetros
- selectCommandText
- String
Cadena que es una instrucción SQL SELECT o un procedimiento almacenado que debe utilizar la propiedad SelectCommand de OracleDataAdapter.
- selectConnectionString
- String
La cadena de conexión.
Ejemplos
En el ejemplo siguiente se crea y OracleDataAdapter se establecen algunas de sus propiedades.
Public Sub CreateOracleDataAdapter()
Dim myConnectionText As String = "Data Source=Oracle8i;Integrated Security=yes"
Dim mySelectText As String = "SELECT DeptNo, DName FROM Dept"
Dim custDA As OracleDataAdapter = New OracleDataAdapter(mySelectText, myConnectionText )
Dim myOracleConnection As OracleConnection = custDA.SelectCommand.Connection
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey
custDA.InsertCommand = New OracleCommand("INSERT INTO Dept (DeptNo, DName) " & _
"VALUES (:pDeptNo, :pDName)", myOracleConnection)
custDA.UpdateCommand = New OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, DName = :pDName " & _
"WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.DeleteCommand = New OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection)
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.InsertCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo")
custDA.UpdateCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName")
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original
End Sub
public static void CreateOracleDataAdapter()
{
string myConnectionText = "Data Source=Oracle8i;Integrated Security=yes";
string mySelectText = "SELECT DeptNo, DName FROM Dept";
OracleDataAdapter custDA = new OracleDataAdapter(mySelectText, myConnectionText );
OracleConnection myOracleConnection = custDA.SelectCommand.Connection;
custDA.MissingSchemaAction = MissingSchemaAction.AddWithKey;
custDA.InsertCommand = new OracleCommand("INSERT INTO Dept (DeptNo, DName) " +
"VALUES (:pDeptNo, :pDName)", myOracleConnection);
custDA.UpdateCommand = new OracleCommand("UPDATE Dept SET DeptNo = :pDeptNo, DName = :pDName " +
"WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.DeleteCommand = new OracleCommand("DELETE FROM Dept WHERE DeptNo = :pDeptNo", myOracleConnection);
custDA.InsertCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.InsertCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName");
custDA.UpdateCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo");
custDA.UpdateCommand.Parameters.Add("pDName", OracleType.VarChar, 14, "DName");
custDA.UpdateCommand.Parameters.Add("poldDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
custDA.DeleteCommand.Parameters.Add("pDeptNo", OracleType.Number, 2, "DeptNo").SourceVersion = DataRowVersion.Original;
}