private void fillFromCities()
{
ddlFrom.Items.Clear();
DataSet dsCat = new DataSet();
dsCat = bl.GetCitiesDataSet();
ddlFrom.DataSource = dsCat;
ddlFrom.DataTextField = "cityName";
ddlFrom.DataValueField = "cityId";
ddlFrom.DataBind();
ddlFrom.Items.Insert(0, "Select City");
}