protected void Page_Load(object sender, EventArgs e)
{
    tadbDataContext tadb = new tadbDataContext();
    Dictionary<string, string> hexColors = tadb.msp_silentAuctionColors.ToDictionary(t => t.colorDescription, t => t.colorValue);

    tbTextColor.Text = hexColors["textColor"];
    tbAltColor.Text = hexColors["altColor"];
    tbBackgroundColor.Text = hexColors["backgroundColor"];
}

using (tadbDataContext tadb = new tadbDataContext())
{
    var textColor = tadb.msp_silentAuctionColors.Single(x => x.colorDescription == "textColor");

    var altColor = tadb.msp_silentAuctionColors.Single(x => x.colorDescription == "altColor");
    var backgroundColor = tadb.msp_silentAuctionColors.Single(x => x.colorDescription == "backgroundColor");

    textColor.colorValue = tbTextColor.Text;
    altColor.colorValue = tbAltColor.Text;
    backgroundColor.colorValue = tbBackgroundColor.Text;

    tadb.SubmitChanges();
}

protected void Page_Load(object sender, EventArgs e)
{
    if(!Page.IsPostBack)
    {
        tadbDataContext tadb = new tadbDataContext();
        Dictionary<string, string> hexColors = tadb.msp_silentAuctionColors.ToDictionary(t => t.colorDescription, t => t.colorValue);

        tbTextColor.Text = hexColors["textColor"];
        tbAltColor.Text = hexColors["altColor"];
        tbBackgroundColor.Text = hexColors["backgroundColor"];
    }
}