DbDataAdapter.SelectCommand Propiedad

Definición

Espacio de nombres:
System.Data.Common
Ensamblado:
System.Data.dll
Ensamblado:
netstandard.dll

Obtiene o establece un comando que se usa para seleccionar registros en el origen de datos.

public:
 property System::Data::Common::DbCommand ^ SelectCommand { System::Data::Common::DbCommand ^ get(); void set(System::Data::Common::DbCommand ^ value); };
[System.ComponentModel.Browsable(false)]
public System.Data.Common.DbCommand SelectCommand { get; set; }
[<System.ComponentModel.Browsable(false)>]
member this.SelectCommand : System.Data.Common.DbCommand with get, set
Public Property SelectCommand As DbCommand

Valor de propiedad

DbCommand

que IDbCommand se usa durante Update(DataSet) para seleccionar registros del origen de datos para colocarlos en el conjunto de datos.

Atributos
BrowsableAttribute

Ejemplos

En el ejemplo siguiente se crea la clase OleDbDataAdapter derivada y se establecen algunas de sus propiedades.

public static OleDbDataAdapter CreateCustomerAdapter(
    OleDbConnection connection)
{
    OleDbDataAdapter adapter = new OleDbDataAdapter();
    OleDbCommand command;

    // Create the SelectCommand.
    command = new OleDbCommand("SELECT * FROM Customers " +
        "WHERE Country = ? AND City = ?", connection);

    command.Parameters.Add("Country", OleDbType.VarChar, 15);
    command.Parameters.Add("City", OleDbType.VarChar, 15);

    adapter.SelectCommand = command;

    // Create the InsertCommand.
    command = new OleDbCommand(
        "INSERT INTO Customers (CustomerID, CompanyName) " +
        "VALUES (?, ?)", connection);

    command.Parameters.Add(
        "CustomerID", OleDbType.Char, 5, "CustomerID");
    command.Parameters.Add(
        "CompanyName", OleDbType.VarChar, 40, "CompanyName");

    adapter.InsertCommand = command;
    return adapter;
}

Public Shared Function CreateCustomerAdapter( _
    connection As OleDbConnection) As OleDbDataAdapter 

    Dim adapter As New OleDbDataAdapter()
    Dim command As OleDbCommand

    ' Create the SelectCommand.
    command = New OleDbCommand("SELECT * FROM Customers " & _
        "WHERE Country = ? AND City = ?", connection)

    command.Parameters.Add("Country", OleDbType.VarChar, 15)
    command.Parameters.Add("City", OleDbType.VarChar, 15)

    adapter.SelectCommand = command

    ' Create the InsertCommand.
    command = New OleDbCommand( _
        "INSERT INTO Customers (CustomerID, CompanyName) " & _
        "VALUES (?, ?)", connection)

    command.Parameters.Add( _
        "CustomerID", OleDbType.Char, 5, "CustomerID")
    command.Parameters.Add( _
        "CompanyName", OleDbType.VarChar, 40, "CompanyName")

    adapter.InsertCommand = command
    Return adapter
End Function

Se aplica a

Consulte también