Rebind dropdowncheckbox list multiple district values

hi,

in data base district id s splt and store the values like 1,2 like that now what i am doing remove (, ) rebind to dropdown check boxex to related district help

aspx

District :

Height="20px" Width="163px">

PopupControlID="PnlDistrict" Position="Bottom">

try

{

// ddldistrict.Items.Clear();

SqlCommand cmddt=new SqlCommand("select * from WeatherStations where StationID=1",con);

// DataTable dt = new DataTable();

con.Open();

cmddt.CommandType = CommandType.Text;

SqlDataReader dr = cmddt.ExecuteReader();

while (dr.Read())

{

PopulateCheckboxlist(dr["districtID"].ToString(), chldistrict);

}

private void PopulateCheckboxlist(string value, CheckBoxList chl)

{

if (!string.IsNullOrEmpty(value))

{

string[] values_array = value.Split(',');

foreach (string s in values_array)

{

if (!string.IsNullOrEmpty(s))

{

if (s.Split(',').Length > 0)

{

chldistrict.Items.FindByValue(s.Trim());

}