protected void Button1_Click(object sender, EventArgs e) { if (new main_class().is_user_available_by_username(TextBox23.Text) == false) { tbl_usersTableAdapter md = new tbl_usersTableAdapter(); md.InsertIntoUsers(TextBox23.Text, new main_class().Encode(TextBox19.Text), "", TextBox6.Text, TextBox15.Text, TextBox16.Text, TextBox17.Text, TextBox18.Text, TextBox20.Text, TextBox21.Text, TextBox22.Text); pnl_registration_complete.Visible = true; pnl_registration_form.Visible = false; pnl_registration_forget.Visible = false; main_class mc = new main_class(); string str = mc.get_value_from_setting("email_registration_body"); str = Regex.Replace(str,"000", mc.get_value_from_setting("pub_en_company_name")); str = Regex.Replace(str, "001", TextBox23.Text); str = Regex.Replace(str, "002", TextBox19.Text); str = Regex.Replace(str, "003", TextBox23.Text); str = Regex.Replace(str, "004", TextBox19.Text); str = Regex.Replace(str, "005", mc.get_value_from_setting("home_page_address")); str = Regex.Replace(str, "006", mc.get_value_from_setting("home_page_address")); str = Regex.Replace(str, "007", mc.get_value_from_setting("fa_address_of_company")); str = Regex.Replace(str, "008", mc.get_value_from_setting("en_address_of_company")); mc.send_email(TextBox18.Text, "Registration in " + mc.get_value_from_setting("pub_en_company_name"), str); } else { pnl_registration_complete.Visible = false; pnl_registration_form.Visible = false; pnl_registration_forget.Visible = true; } }