update data using n -tire do nothing

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ASP.NET

i have got 3 tire wherecarry out my code in bussiness layer i run code for update

public override bool LoadProperties2List(string TypeOfOperation)
   {

  SortedList Sl = new SortedList();
 
  Sl.Add("@CommandType", TypeOfOperation);
  Sl.Add("@UserName",UserName);
  Sl.Add("@SecondarySchool",SecondarySchool);
  Sl.Add("@University",University);
  Sl.Add("@Qualification",Qualification);
  Sl.Add("@JobTitle",JobTitle);
  Sl.Add("@Company",Company);
  Sl.Add("@PhotoUrl", PhotoUrl);
 
  ProcedureName = "MangeUserInfo";
  if (db.RunProcedure(ProcedureName, Sl) == 1)
  return true;
  else
  return false;

  }


 public bool updateUser(string User, string SecondaryS, string Unvi, string Qua, string jobtitle, string company)
 {
  this.UserName = User;
  this.SecondarySchool = SecondaryS;
  this.University = Unvi;
  this.Qualification = Qua;
  this.JobTitle = jobtitle;
  this.Company = company;
 
  if (Update())
  return true;
  else
  return false;
 }

and in data access layer

public void ConnectDB(CommandType CT,string ProNameSQl)
 {
 cn = new SqlConnection("Data Source=.;Initial Catalog=Conversation;Integrated Security=True");
 cmd = new SqlCommand();

 cmd.Connection = cn;
 cmd.CommandType = CT;
 cmd.CommandText = ProNameSQl;
 cn.Open();
 }


 public int RunProcedure(string ProcedureName, SortedList Paraval)
 {
 ConnectDB(CommandType.StoredProcedure, ProcedureName);

 for (int x = 0; x < Paraval.Count; x++)
 {
 try
 {

 cmd.Parameters.AddWithValue(Paraval.GetKey(x).ToString(), Paraval.GetByIndex(x));
 }
 catch
 {
 ;
 }
 }
 return ExceNoneQuery();
 }

and then in another layer i use this method to call procedure process kind and run

public bool Update()
 {
 return LoadProperties2List("u");
 }

at last layer presenation layer

i do that

protected void btnsave_Click(object sender, EventArgs e)
  {
  //upadate info
  bool Result = false;
  UsersInfo Upd = new UsersInfo();

  try
  {
  Result = Upd.updateUser(username, TxtSecondarySchool.Text, TxtUniversity.Text, TxtQualification.Text, TxtJobTitle.Text, TxtCompany.Text);
  if (Result==true)

  lblMessage.Text = "Record Updated Successfully.";

  else

  lblMessage.Text = "Record couldn't updated";

  }
  catch (Exception ee)

  {

  lblMessage.Text = ee.Message.ToString();

  }  finally

  {

  Upd = null;

  }
}

when i run the code only the result is
lblMessage.Text = "Record couldn't updated";
what is the error which maks it not to work correctly ??

i alse find something strange that the textboxes doesnt take the new values it pass the same value despite change why ??? i need help ??