DbDataAdapter.SelectCommand Property
Definition
Important
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Gets or sets a command used to select records in the data source.
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)]
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
Property Value
A IDbCommand that is used during Update(DataSet) to select records from data source for placement in the data set.
- Attributes
Examples
The following example creates the derived class OleDbDataAdapter and sets some of its properties.
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
Applies to
See also
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