OleDbDataAdapter Konstruktor

Referensi

Definisi

Ruang nama:: System.Data.OleDb

Rakitan:: System.Data.OleDb.dll

Rakitan:: System.Data.dll

Paket:: System.Data.OleDb v8.0.0

Paket:: System.Data.OleDb v9.0.0-preview.4.24266.19

Penting

Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.

Menginisialisasi instans baru kelas OleDbDataAdapter.

Overload

OleDbDataAdapter()	Menginisialisasi instans baru kelas OleDbDataAdapter.
OleDbDataAdapter(OleDbCommand)	Menginisialisasi instans OleDbDataAdapter baru kelas dengan yang ditentukan OleDbCommand sebagai SelectCommand properti .
OleDbDataAdapter(String, OleDbConnection)	Menginisialisasi instans OleDbDataAdapter baru kelas dengan SelectCommand.
OleDbDataAdapter(String, String)	Menginisialisasi instans OleDbDataAdapter baru kelas dengan SelectCommand.

OleDbDataAdapter()

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Menginisialisasi instans baru kelas OleDbDataAdapter.

public:
 OleDbDataAdapter();

public OleDbDataAdapter ();

Public Sub New ()

Contoh

Contoh berikut membuat OleDbDataAdapter dan mengatur beberapa propertinya.

public static OleDbDataAdapter CreateDataAdapter(
    OleDbConnection connection)
{
    string selectCommand =
        "SELECT CustomerID, CompanyName FROM Customers";
    OleDbDataAdapter adapter =
        new OleDbDataAdapter(selectCommand, connection);

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;

    // Create the Insert, Update and Delete commands.
    adapter.InsertCommand = new OleDbCommand(
        "INSERT INTO Customers (CustomerID, CompanyName) " +
        "VALUES (?, ?)");

    adapter.UpdateCommand = new OleDbCommand(
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
        "WHERE CustomerID = ?");

    adapter.DeleteCommand = new OleDbCommand(
        "DELETE FROM Customers WHERE CustomerID = ?");

    // Create the parameters.
    adapter.InsertCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.InsertCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");

    adapter.UpdateCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.UpdateCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");
    adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    adapter.DeleteCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    return adapter;
}

Public Function CreateDataAdapter( _
    ByVal connection As OleDbConnection) As OleDbDataAdapter

    Dim selectCommand As String = _
        "SELECT CustomerID, CompanyName FROM Customers"
    Dim adapter As OleDbDataAdapter = _
        New OleDbDataAdapter(selectCommand, connection)

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey

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

    adapter.UpdateCommand = New OleDbCommand( _
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
        "WHERE CustomerID = ?")

    adapter.DeleteCommand = New OleDbCommand( _
        "DELETE FROM Customers WHERE CustomerID = ?")

    ' Create the parameters.
    adapter.InsertCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.InsertCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")

    adapter.UpdateCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.UpdateCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")
    adapter.UpdateCommand.Parameters.Add( _
        "@oldCustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    adapter.DeleteCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    Return adapter
End Function

Keterangan

Saat Anda membuat instans OleDbDataAdapter, properti baca/tulis berikut diatur ke nilai awal berikut.

Properti	Nilai awal
MissingMappingAction	`MissingMappingAction.Passthrough`
MissingSchemaAction	`MissingSchemaAction.Add`

Anda dapat mengubah nilai salah satu properti ini melalui panggilan terpisah ke properti .

Lihat juga

DataAdapters dan DataReaders

Berlaku untuk

OleDbDataAdapter(OleDbCommand)

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Menginisialisasi instans OleDbDataAdapter baru kelas dengan yang ditentukan OleDbCommand sebagai SelectCommand properti .

public:
 OleDbDataAdapter(System::Data::OleDb::OleDbCommand ^ selectCommand);

public OleDbDataAdapter (System.Data.OleDb.OleDbCommand? selectCommand);

public OleDbDataAdapter (System.Data.OleDb.OleDbCommand selectCommand);

new System.Data.OleDb.OleDbDataAdapter : System.Data.OleDb.OleDbCommand -> System.Data.OleDb.OleDbDataAdapter

Public Sub New (selectCommand As OleDbCommand)

Parameter

selectCommand: OleDbCommand

OleDbCommand yang merupakan pernyataan SELECT atau prosedur tersimpan, dan ditetapkan sebagai SelectCommand properti dari OleDbDataAdapter.

Contoh

Contoh berikut membuat OleDbDataAdapter dan mengatur beberapa propertinya.

public static OleDbDataAdapter CreateDataAdapter(string selectCommand,
    OleDbConnection connection)
{
    OleDbDataAdapter adapter = new OleDbDataAdapter(selectCommand, connection);

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;

    // Create the Insert, Update and Delete commands.
    adapter.InsertCommand = new OleDbCommand(
        "INSERT INTO Customers (CustomerID, CompanyName) " +
        "VALUES (?, ?)");

    adapter.UpdateCommand = new OleDbCommand(
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
        "WHERE CustomerID = ?");

    adapter.DeleteCommand = new OleDbCommand(
        "DELETE FROM Customers WHERE CustomerID = ?");

    // Create the parameters.
    adapter.InsertCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.InsertCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");

    adapter.UpdateCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.UpdateCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");
    adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    adapter.DeleteCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    return adapter;
}

Public Function CreateDataAdapter(ByVal selectCommand As String, _
    ByVal connection As OleDbConnection) As OleDbDataAdapter

    Dim adapter As OleDbDataAdapter = _
        New OleDbDataAdapter(selectCommand, connection)

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey

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

    adapter.UpdateCommand = New OleDbCommand( _
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
        "WHERE CustomerID = ?")

    adapter.DeleteCommand = New OleDbCommand( _
        "DELETE FROM Customers WHERE CustomerID = ?")

    ' Create the parameters.
    adapter.InsertCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.InsertCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")

    adapter.UpdateCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.UpdateCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")
    adapter.UpdateCommand.Parameters.Add( _
        "@oldCustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    adapter.DeleteCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    Return adapter
End Function

Keterangan

Implementasi OleDbDataAdapter konstruktor ini mengatur SelectCommand properti ke nilai yang ditentukan dalam selectCommand parameter .

Saat Anda membuat instans OleDbDataAdapter, properti baca/tulis berikut diatur ke nilai awal berikut.

Properti	Nilai awal
MissingMappingAction	`MissingMappingAction.Passthrough`
MissingSchemaAction	`MissingSchemaAction.Add`

Anda dapat mengubah nilai salah satu properti ini melalui panggilan terpisah ke properti .

Lihat juga

DataAdapters dan DataReaders

Berlaku untuk

OleDbDataAdapter(String, OleDbConnection)

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Menginisialisasi instans OleDbDataAdapter baru kelas dengan SelectCommand.

public:
 OleDbDataAdapter(System::String ^ selectCommandText, System::Data::OleDb::OleDbConnection ^ selectConnection);

public OleDbDataAdapter (string? selectCommandText, System.Data.OleDb.OleDbConnection? selectConnection);

public OleDbDataAdapter (string selectCommandText, System.Data.OleDb.OleDbConnection selectConnection);

new System.Data.OleDb.OleDbDataAdapter : string * System.Data.OleDb.OleDbConnection -> System.Data.OleDb.OleDbDataAdapter

Public Sub New (selectCommandText As String, selectConnection As OleDbConnection)

Parameter

selectCommandText: String

String yang merupakan pernyataan SQL SELECT atau prosedur tersimpan yang akan digunakan oleh SelectCommand properti dari OleDbDataAdapter.

selectConnection: OleDbConnection

Yang OleDbConnection mewakili koneksi.

Contoh

Contoh berikut membuat OleDbDataAdapter dan mengatur beberapa propertinya.

public static OleDbDataAdapter CreateDataAdapter(
    OleDbConnection connection)
{
    string selectCommand =
        "SELECT CustomerID, CompanyName FROM Customers";
    OleDbDataAdapter adapter =
        new OleDbDataAdapter(selectCommand, connection);

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;

    // Create the Insert, Update and Delete commands.
    adapter.InsertCommand = new OleDbCommand(
        "INSERT INTO Customers (CustomerID, CompanyName) " +
        "VALUES (?, ?)");

    adapter.UpdateCommand = new OleDbCommand(
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
        "WHERE CustomerID = ?");

    adapter.DeleteCommand = new OleDbCommand(
        "DELETE FROM Customers WHERE CustomerID = ?");

    // Create the parameters.
    adapter.InsertCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.InsertCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");

    adapter.UpdateCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.UpdateCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");
    adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    adapter.DeleteCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    return adapter;
}

Public Function CreateDataAdapter( _
    ByVal connection As OleDbConnection) As OleDbDataAdapter

    Dim selectCommand As String = _
        "SELECT CustomerID, CompanyName FROM Customers"
    Dim adapter As OleDbDataAdapter = _
        New OleDbDataAdapter(selectCommand, connection)

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey

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

    adapter.UpdateCommand = New OleDbCommand( _
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
        "WHERE CustomerID = ?")

    adapter.DeleteCommand = New OleDbCommand( _
        "DELETE FROM Customers WHERE CustomerID = ?")

    ' Create the parameters.
    adapter.InsertCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.InsertCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")

    adapter.UpdateCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.UpdateCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")
    adapter.UpdateCommand.Parameters.Add( _
        "@oldCustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    adapter.DeleteCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    Return adapter
End Function

Keterangan

Implementasi pembukaan OleDbDataAdapter ini dan menutup OleDbConnection jika belum terbuka. Ini dapat berguna dalam aplikasi yang harus memanggil Fill metode untuk dua objek atau lebih OleDbDataAdapter . OleDbConnection Jika sudah terbuka, Anda harus secara eksplisit memanggil Close atau Membuang untuk menutupnya.

Saat Anda membuat instans OleDbDataAdapter, properti baca/tulis berikut diatur ke nilai awal berikut.

Properti	Nilai awal
MissingMappingAction	`MissingMappingAction.Passthrough`
MissingSchemaAction	`MissingSchemaAction.Add`

Anda dapat mengubah nilai salah satu properti ini melalui panggilan terpisah ke properti .

Lihat juga

DataAdapters dan DataReaders

Berlaku untuk

OleDbDataAdapter(String, String)

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Sumber:: OleDbDataAdapter.cs

Menginisialisasi instans OleDbDataAdapter baru kelas dengan SelectCommand.

public:
 OleDbDataAdapter(System::String ^ selectCommandText, System::String ^ selectConnectionString);

public OleDbDataAdapter (string? selectCommandText, string? selectConnectionString);

public OleDbDataAdapter (string selectCommandText, string selectConnectionString);

new System.Data.OleDb.OleDbDataAdapter : string * string -> System.Data.OleDb.OleDbDataAdapter

Public Sub New (selectCommandText As String, selectConnectionString As String)

Parameter

selectCommandText: String

String yang merupakan pernyataan SQL SELECT atau prosedur tersimpan yang akan digunakan oleh SelectCommand properti dari OleDbDataAdapter.

selectConnectionString: String

String koneksi.

Contoh

Contoh berikut membuat OleDbDataAdapter dan mengatur beberapa propertinya.

public static OleDbDataAdapter CreateDataAdapter(
    OleDbConnection connection)
{
    string selectCommand =
        "SELECT CustomerID, CompanyName FROM Customers";
    OleDbDataAdapter adapter =
        new OleDbDataAdapter(selectCommand, connection);

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;

    // Create the Insert, Update and Delete commands.
    adapter.InsertCommand = new OleDbCommand(
        "INSERT INTO Customers (CustomerID, CompanyName) " +
        "VALUES (?, ?)");

    adapter.UpdateCommand = new OleDbCommand(
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
        "WHERE CustomerID = ?");

    adapter.DeleteCommand = new OleDbCommand(
        "DELETE FROM Customers WHERE CustomerID = ?");

    // Create the parameters.
    adapter.InsertCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.InsertCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");

    adapter.UpdateCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID");
    adapter.UpdateCommand.Parameters.Add("@CompanyName",
        OleDbType.VarChar, 40, "CompanyName");
    adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    adapter.DeleteCommand.Parameters.Add("@CustomerID",
        OleDbType.Char, 5, "CustomerID").SourceVersion =
        DataRowVersion.Original;

    return adapter;
}

Public Function CreateDataAdapter( _
    ByVal connection As OleDbConnection) As OleDbDataAdapter

    Dim selectCommand As String = _
        "SELECT CustomerID, CompanyName FROM Customers"
    Dim adapter As OleDbDataAdapter = _
        New OleDbDataAdapter(selectCommand, connection)

    adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey

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

    adapter.UpdateCommand = New OleDbCommand( _
        "UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
        "WHERE CustomerID = ?")

    adapter.DeleteCommand = New OleDbCommand( _
        "DELETE FROM Customers WHERE CustomerID = ?")

    ' Create the parameters.
    adapter.InsertCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.InsertCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")

    adapter.UpdateCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID")
    adapter.UpdateCommand.Parameters.Add( _
        "@CompanyName", OleDbType.VarChar, 40, "CompanyName")
    adapter.UpdateCommand.Parameters.Add( _
        "@oldCustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    adapter.DeleteCommand.Parameters.Add( _
        "@CustomerID", OleDbType.Char, 5, "CustomerID").SourceVersion = _
        DataRowVersion.Original

    Return adapter
End Function

Keterangan

Kelebihan beban OleDbDataAdapter konstruktor ini menggunakan selectConnectionString parameter untuk mengatur SelectCommand properti . Namun, itu tidak membuka koneksi. Anda masih harus membuka koneksi secara eksplisit.

Saat Anda membuat instans OleDbDataAdapter, properti baca/tulis berikut diatur ke nilai awal berikut.

Properti	Nilai awal
MissingMappingAction	`MissingMappingAction.Passthrough`
MissingSchemaAction	`MissingSchemaAction.Add`

Anda dapat mengubah nilai salah satu properti ini melalui panggilan terpisah ke properti .

Lihat juga

DataAdapters dan DataReaders

Berlaku untuk

Bagikan melalui

OleDbDataAdapter Konstruktor

Definisi

Overload

OleDbDataAdapter()

Contoh

Keterangan

Lihat juga

Berlaku untuk

OleDbDataAdapter(OleDbCommand)

Parameter

Contoh

Keterangan

Lihat juga

Berlaku untuk

OleDbDataAdapter(String, OleDbConnection)

Parameter

Contoh

Keterangan

Lihat juga

Berlaku untuk

OleDbDataAdapter(String, String)

Parameter

Contoh

Keterangan

Lihat juga

Berlaku untuk

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