Resetting a Tab to the design defaults

public KALCForm1()
{
    InitializeComponent();

    //Ensure comboBox is empty
    KALCcomboBox1.Items.Clear();

    //Fill comboBox with an entry for each League in the Database
    SqlConnection cs = new SqlConnection(@"Data Source=MEDESKTOP;AttachDbFilename=J:\Users\Gary\Documents\Visual Studio 2010\Projects\KALeagueCup\KALeagueCup\KADatabase.mdf;Initial Catalog=myKADB;Integrated Security=True");
    SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM LEAGUES", cs);

    DataTable dt = new DataTable();

    da.Fill(dt);

    for (int i = 0; i < dt.Rows.Count; i++)
    {
        KALCcomboBox1.Items.Add(dt.Rows[i]["LeagueName"]);
    }
}