Gets or sets an SQL statement or stored procedure used to select records in the data source.
(in System.Data.dll)
Visual Basic (Declaration)
Public Property SelectCommand As OleDbCommand
Dim instance As OleDbDataAdapter
Dim value As OleDbCommand
value = instance.SelectCommand
instance.SelectCommand = value
public OleDbCommand SelectCommand { get; set; }
public:
property OleDbCommand^ SelectCommand {
OleDbCommand^ get ();
void set (OleDbCommand^ value);
}
public function get SelectCommand () : OleDbCommand
public function set SelectCommand (value : OleDbCommand)
When SelectCommand is assigned to a previously created OleDbCommand, the OleDbCommand is not cloned. The SelectCommand maintains a reference to the previously created OleDbCommand object.
If the SelectCommand returns no rows, no tables are added to the DataSet, and no exception is raised.
The following example creates an OleDbDataAdapter and sets the SelectCommand and InsertCommand properties. It assumes that you have already created an OleDbConnection object.
Public Shared Function CreateCustomerAdapter( _
connection As OleDbConnection) As OleDbDataAdapter
Dim adapter As OleDbDataAdapter = 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
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;
}
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
.NET Framework
Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
Reference
Other Resources