DataTable tDataTable=new DataTable();
		System.Data.OleDb.OleDbCommandBuilder cb;
		System.Data.OleDb.OleDbDataAdapter tDataAdapter;
		private void Form1_Load(object sender, System.EventArgs e)
		{			
			System.Data.OleDb.OleDbConnection Conn = new System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;User ID=Admin;Data Source=db1.mdb;");
			Conn.Open();
			tDataAdapter= new System.Data.OleDb.OleDbDataAdapter("SELECT * FROM [Таблица1]",Conn);
			cb= new System.Data.OleDb.OleDbCommandBuilder(tDataAdapter);
			tDataAdapter.Fill(tDataTable);
			dataGrid1.SetDataBinding(tDataTable,"");						
		}
		private void Form1_Closing(object sender, CancelEventArgs e)
		{			
			BindingManagerBase dd;
			dd=dataGrid1.BindingContext[dataGrid1.DataSource] ;			
			dd.EndCurrentEdit();			
			tDataAdapter.Update(tDataTable);			
		}