Drop down list in forview with using C# codes

Question

hi all... i have create a registration form using Form View tool in asp.net..and i have a drop down list in form..

i use dropdown list in my cs page but i can't get the data into my drop down list in Form View Insert Template..(but no error display)

i use this code to get data to drop down list..

 

 protected void Page_Load(object sender, Event Args e)

        {
          
            DropDownList ddlFreigh = (DropDownList)(FormView1.FindControl("ddlFreigh"));
          
            if (!IsPostBack)
            {
                // Create a database variable
                SqlConnection connection = new SqlConnection();
                // Set the connection string of the database
                connection.ConnectionString = ConfigurationManager.ConnectionStrings[databaseConnectionStringName].ToString();

                try
                {
                   
                    connection.Open();
                    #region Loading freigh to drop down list
                    SqlCommand freighCommand = connection.CreateCommand();
                    freighCommand.CommandText = "SELECT Value FROM UDFList WHERE Name='FREIGH'";
                    freighCommand.CommandType = CommandType.Text;

                    string freighString = freighCommand.ExecuteScalar().ToString();
                    string[] listOfFreigh = freighString.Split();
                    ddlFreigh.Items.Clear();
                  
                    foreach (string freigh in listOfFreigh)
                    {
                        ddlFreigh.Items.Add(freigh);
                    
                    }
                    freighCommand.Dispose();
                    #endregion


                }
                catch
                { }
                finally
                {
                    try
                    {
                        connection.Close();
                    }
                    catch { }
                }


               
            }