private void BindPoll(DropDownList ddl, string selected)
{
//dt = bll.GetCityList();
DataSet ds = bll.GetCityList();//new DataTable();
DataTable dt = ds.Tables[0];
int length = dt.Rows.Count;
string[] array = new string[length];
for (int i = 0; i < length; i++)
{
array[i] = dt.Rows[i]["CityName"].ToString();
}
//string[] array = { "CO", "SO2", "NO2", "O3", "PM25", "PM10" };
ddl.Items.Clear();
foreach (var r in array)
{
ListItem item = new ListItem();
item.Text = r;
item.Value = r;
if ((r).Equals(selected))
{
item.Selected = true;
}
else
{
item.Selected = false;
}
ddl.Items.Add(item);
}
}
