OdbcDataAdapter Oluşturucular
Tanım
Önemli
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OdbcDataAdapter sınıfının yeni bir örneğini başlatır.
Aşırı Yüklemeler
OdbcDataAdapter() |
OdbcDataAdapter sınıfının yeni bir örneğini başlatır. |
OdbcDataAdapter(OdbcCommand) |
Belirtilen SQL SELECT deyimiyle sınıfının yeni bir örneğini OdbcDataAdapter başlatır. |
OdbcDataAdapter(String, OdbcConnection) |
SQL SELECT deyimi ve OdbcConnectionile sınıfının yeni bir örneğini OdbcDataAdapter başlatır. |
OdbcDataAdapter(String, String) |
SQL SELECT deyimi ve bağlantı dizesi ile sınıfının yeni bir örneğini OdbcDataAdapter başlatır. |
OdbcDataAdapter()
- Kaynak:
- OdbcDataAdapter.cs
- Kaynak:
- OdbcDataAdapter.cs
OdbcDataAdapter sınıfının yeni bir örneğini başlatır.
public:
OdbcDataAdapter();
public OdbcDataAdapter ();
Public Sub New ()
Örnekler
Aşağıdaki örnek bir OdbcDataAdapter oluşturur ve bazı özelliklerini ayarlar.
public static OdbcDataAdapter CreateDataAdapter(
OdbcConnection connection)
{
string selectCommand =
"SELECT CustomerID, CompanyName FROM Customers";
OdbcDataAdapter adapter = new OdbcDataAdapter(
selectCommand, connection);
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;
// Create the Insert, Update and Delete commands.
adapter.InsertCommand = new OdbcCommand(
"INSERT INTO Customers (CustomerID, CompanyName) " +
"VALUES (?, ?)");
adapter.UpdateCommand = new OdbcCommand(
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
"WHERE CustomerID = ?");
adapter.DeleteCommand = new OdbcCommand(
"DELETE FROM Customers WHERE CustomerID = ?");
// Create the parameters.
adapter.InsertCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.InsertCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.UpdateCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
adapter.DeleteCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
return adapter;
}
Public Function CreateDataAdapter( _
ByVal connection As OdbcConnection) As OdbcDataAdapter
Dim selectCommand As String = _
"SELECT CustomerID, CompanyName FROM Customers"
Dim adapter As OdbcDataAdapter = _
New OdbcDataAdapter(selectCommand, connection)
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey
' Create the Insert, Update and Delete commands.
adapter.InsertCommand = New OdbcCommand( _
"INSERT INTO Customers (CustomerID, CompanyName) " & _
"VALUES (?, ?)")
adapter.UpdateCommand = New OdbcCommand( _
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
"WHERE CustomerID = ?")
adapter.DeleteCommand = New OdbcCommand( _
"DELETE FROM Customers WHERE CustomerID = ?")
' Create the parameters.
adapter.InsertCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.InsertCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.UpdateCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@oldCustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
adapter.DeleteCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
Return adapter
End Function
Açıklamalar
örneğini OdbcDataAdapteroluşturduğunuzda, aşağıdaki salt yazma ve salt okunur özellikler, tabloda gösterildiği gibi varsayılan değerlerine ayarlanır.
Özellikler | Varsayılan değer |
---|---|
MissingMappingAction | MissingMappingAction.Passthrough |
MissingSchemaAction | MissingSchemaAction.Add |
Özelliğine ayrı bir çağrı aracılığıyla bu özelliklerden herhangi birinin değerini değiştirebilirsiniz.
Ayrıca bkz.
Şunlara uygulanır
OdbcDataAdapter(OdbcCommand)
- Kaynak:
- OdbcDataAdapter.cs
- Kaynak:
- OdbcDataAdapter.cs
Belirtilen SQL SELECT deyimiyle sınıfının yeni bir örneğini OdbcDataAdapter başlatır.
public:
OdbcDataAdapter(System::Data::Odbc::OdbcCommand ^ selectCommand);
public OdbcDataAdapter (System.Data.Odbc.OdbcCommand? selectCommand);
public OdbcDataAdapter (System.Data.Odbc.OdbcCommand selectCommand);
new System.Data.Odbc.OdbcDataAdapter : System.Data.Odbc.OdbcCommand -> System.Data.Odbc.OdbcDataAdapter
Public Sub New (selectCommand As OdbcCommand)
Parametreler
- selectCommand
- OdbcCommand
SQL OdbcCommand SELECT deyimi veya saklı yordam olan ve özelliği OdbcDataAdapterolarak SelectCommand ayarlanan.
Örnekler
Aşağıdaki örnek bir OdbcDataAdapter oluşturur ve bazı özelliklerini ayarlar.
public static OdbcDataAdapter CreateDataAdapter(
OdbcConnection connection)
{
string selectCommand =
"SELECT CustomerID, CompanyName FROM Customers";
OdbcDataAdapter adapter = new OdbcDataAdapter(
selectCommand, connection);
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;
// Create the Insert, Update and Delete commands.
adapter.InsertCommand = new OdbcCommand(
"INSERT INTO Customers (CustomerID, CompanyName) " +
"VALUES (?, ?)");
adapter.UpdateCommand = new OdbcCommand(
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
"WHERE CustomerID = ?");
adapter.DeleteCommand = new OdbcCommand(
"DELETE FROM Customers WHERE CustomerID = ?");
// Create the parameters.
adapter.InsertCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.InsertCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.UpdateCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
adapter.DeleteCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
return adapter;
}
Public Function CreateDataAdapter( _
ByVal connection As OdbcConnection) As OdbcDataAdapter
Dim selectCommand As String = _
"SELECT CustomerID, CompanyName FROM Customers"
Dim adapter As OdbcDataAdapter = _
New OdbcDataAdapter(selectCommand, connection)
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey
' Create the Insert, Update and Delete commands.
adapter.InsertCommand = New OdbcCommand( _
"INSERT INTO Customers (CustomerID, CompanyName) " & _
"VALUES (?, ?)")
adapter.UpdateCommand = New OdbcCommand( _
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
"WHERE CustomerID = ?")
adapter.DeleteCommand = New OdbcCommand( _
"DELETE FROM Customers WHERE CustomerID = ?")
' Create the parameters.
adapter.InsertCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.InsertCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.UpdateCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@oldCustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
adapter.DeleteCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
Return adapter
End Function
Açıklamalar
Oluşturucunun OdbcDataAdapter bu uygulaması, özelliğini parametresinde belirtilen değere selectCommand
ayarlarSelectCommand.
örneğini OdbcDataAdapteroluşturduğunuzda, aşağıdaki salt yazma ve salt okunur özellikler, tabloda gösterildiği gibi varsayılan değerlerine ayarlanır.
Özellikler | İlk değer |
---|---|
MissingMappingAction | MissingMappingAction.Passthrough |
MissingSchemaAction | MissingSchemaAction.Add |
Özelliğine ayrı bir çağrı aracılığıyla bu özelliklerden herhangi birinin değerini değiştirebilirsiniz.
Ayrıca bkz.
Şunlara uygulanır
OdbcDataAdapter(String, OdbcConnection)
- Kaynak:
- OdbcDataAdapter.cs
- Kaynak:
- OdbcDataAdapter.cs
SQL SELECT deyimi ve OdbcConnectionile sınıfının yeni bir örneğini OdbcDataAdapter başlatır.
public:
OdbcDataAdapter(System::String ^ selectCommandText, System::Data::Odbc::OdbcConnection ^ selectConnection);
public OdbcDataAdapter (string? selectCommandText, System.Data.Odbc.OdbcConnection? selectConnection);
public OdbcDataAdapter (string selectCommandText, System.Data.Odbc.OdbcConnection selectConnection);
new System.Data.Odbc.OdbcDataAdapter : string * System.Data.Odbc.OdbcConnection -> System.Data.Odbc.OdbcDataAdapter
Public Sub New (selectCommandText As String, selectConnection As OdbcConnection)
Parametreler
- selectCommandText
- String
özelliği OdbcDataAdaptertarafından SelectCommand kullanılacak bir SQL SELECT deyimi veya saklı yordam olan bir dize.
- selectConnection
- OdbcConnection
OdbcConnection Bağlantıyı temsil eden bir.
Örnekler
Aşağıdaki örnek bir OdbcDataAdapter oluşturur ve bazı özelliklerini ayarlar.
public static OdbcDataAdapter CreateDataAdapter(
OdbcConnection connection)
{
string selectCommand =
"SELECT CustomerID, CompanyName FROM Customers";
OdbcDataAdapter adapter = new OdbcDataAdapter(
selectCommand, connection);
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;
// Create the Insert, Update and Delete commands.
adapter.InsertCommand = new OdbcCommand(
"INSERT INTO Customers (CustomerID, CompanyName) " +
"VALUES (?, ?)");
adapter.UpdateCommand = new OdbcCommand(
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
"WHERE CustomerID = ?");
adapter.DeleteCommand = new OdbcCommand(
"DELETE FROM Customers WHERE CustomerID = ?");
// Create the parameters.
adapter.InsertCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.InsertCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.UpdateCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
adapter.DeleteCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
return adapter;
}
Public Function CreateDataAdapter( _
ByVal connection As OdbcConnection) As OdbcDataAdapter
Dim selectCommand As String = _
"SELECT CustomerID, CompanyName FROM Customers"
Dim adapter As OdbcDataAdapter = _
New OdbcDataAdapter(selectCommand, connection)
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey
' Create the Insert, Update and Delete commands.
adapter.InsertCommand = New OdbcCommand( _
"INSERT INTO Customers (CustomerID, CompanyName) " & _
"VALUES (?, ?)")
adapter.UpdateCommand = New OdbcCommand( _
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
"WHERE CustomerID = ?")
adapter.DeleteCommand = New OdbcCommand( _
"DELETE FROM Customers WHERE CustomerID = ?")
' Create the parameters.
adapter.InsertCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.InsertCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.UpdateCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@oldCustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
adapter.DeleteCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
Return adapter
End Function
Açıklamalar
bu OdbcDataAdapter uygulaması, iki veya daha fazla OdbcDataAdapter nesne için yöntemini çağırması Fill
gereken bir uygulamada yararlı olabilir.
Ayrıca bkz.
Şunlara uygulanır
OdbcDataAdapter(String, String)
- Kaynak:
- OdbcDataAdapter.cs
- Kaynak:
- OdbcDataAdapter.cs
SQL SELECT deyimi ve bağlantı dizesi ile sınıfının yeni bir örneğini OdbcDataAdapter başlatır.
public:
OdbcDataAdapter(System::String ^ selectCommandText, System::String ^ selectConnectionString);
public OdbcDataAdapter (string? selectCommandText, string? selectConnectionString);
public OdbcDataAdapter (string selectCommandText, string selectConnectionString);
new System.Data.Odbc.OdbcDataAdapter : string * string -> System.Data.Odbc.OdbcDataAdapter
Public Sub New (selectCommandText As String, selectConnectionString As String)
Parametreler
- selectCommandText
- String
özelliği OdbcDataAdaptertarafından SelectCommand kullanılacak bir SQL SELECT deyimi veya saklı yordam olan bir dize.
- selectConnectionString
- String
Bağlantı dizesi.
Örnekler
Aşağıdaki örnek bir OdbcDataAdapter oluşturur ve bazı özelliklerini ayarlar.
public static OdbcDataAdapter CreateDataAdapter(
OdbcConnection connection)
{
string selectCommand =
"SELECT CustomerID, CompanyName FROM Customers";
OdbcDataAdapter adapter = new OdbcDataAdapter(
selectCommand, connection);
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;
// Create the Insert, Update and Delete commands.
adapter.InsertCommand = new OdbcCommand(
"INSERT INTO Customers (CustomerID, CompanyName) " +
"VALUES (?, ?)");
adapter.UpdateCommand = new OdbcCommand(
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " +
"WHERE CustomerID = ?");
adapter.DeleteCommand = new OdbcCommand(
"DELETE FROM Customers WHERE CustomerID = ?");
// Create the parameters.
adapter.InsertCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.InsertCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID");
adapter.UpdateCommand.Parameters.Add("@CompanyName",
OdbcType.VarChar, 40, "CompanyName");
adapter.UpdateCommand.Parameters.Add("@oldCustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
adapter.DeleteCommand.Parameters.Add("@CustomerID",
OdbcType.Char, 5, "CustomerID").SourceVersion =
DataRowVersion.Original;
return adapter;
}
Public Function CreateDataAdapter( _
ByVal connection As OdbcConnection) As OdbcDataAdapter
Dim selectCommand As String = _
"SELECT CustomerID, CompanyName FROM Customers"
Dim adapter As OdbcDataAdapter = _
New OdbcDataAdapter(selectCommand, connection)
adapter.MissingSchemaAction = MissingSchemaAction.AddWithKey
' Create the Insert, Update and Delete commands.
adapter.InsertCommand = New OdbcCommand( _
"INSERT INTO Customers (CustomerID, CompanyName) " & _
"VALUES (?, ?)")
adapter.UpdateCommand = New OdbcCommand( _
"UPDATE Customers SET CustomerID = ?, CompanyName = ? " & _
"WHERE CustomerID = ?")
adapter.DeleteCommand = New OdbcCommand( _
"DELETE FROM Customers WHERE CustomerID = ?")
' Create the parameters.
adapter.InsertCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.InsertCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID")
adapter.UpdateCommand.Parameters.Add( _
"@CompanyName", OdbcType.VarChar, 40, "CompanyName")
adapter.UpdateCommand.Parameters.Add( _
"@oldCustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
adapter.DeleteCommand.Parameters.Add( _
"@CustomerID", OdbcType.Char, 5, "CustomerID").SourceVersion = _
DataRowVersion.Original
Return adapter
End Function
Açıklamalar
Oluşturucunun OdbcDataAdapter bu aşırı yüklemesi, özelliğini ayarlamak için parametresini SelectCommand kullanırselectConnectionString
. Ancak, bağlantıyı açmaz. Yine de bağlantıyı açıkça açmanız gerekir.