protected void Page_Load(object sender, EventArgs e)
    {
        int x = Convert.ToInt32(Request.QueryString["STDID"].ToString());

        TxtID.Text    = x.ToString();
        TxtID.Enabled = false;

        if (Page.IsPostBack == false)
        {
            List <StudentEntity> StdList = StudentBusiness.DetailStdBusiness(x);
            TxtName.Text     = StdList[0].NAME.ToString();
            TxtSurName.Text  = StdList[0].SURNAME.ToString();
            TxtNumber.Text   = StdList[0].NUMBER.ToString();
            TxtPhoto.Text    = StdList[0].PHOTO.ToString();
            TxtPassword.Text = StdList[0].PASSWORD.ToString();
        }
    }