protected void btbSettingsPasswortAendern_Click(object sender, EventArgs e)
        {
            int User_ID = Convert.ToInt32(txtSettingsPWaendernUserID.Text);
            User Benutzer2 = new User(User_ID);

            Benutzer2.changePWInDB(txtSettingsPasswortNeu.Text, txtSettingsPasswortNeuWdh.Text, txtSettingsPasswortalt.Text, User_ID);
        }
        protected void btbSettingsNamenAendern_Click(object sender, EventArgs e)
        {
            int User_ID = Convert.ToInt32(txtSettingsNamenAendernUserID.Text);
            User Benutzer1 = new User(User_ID);

            Benutzer1.changeNameInDB(txtSettingsNachname.Text, txtSettingsVorname.Text, User_ID);
        }
        private void btbChangeAbschicken_Click(object sender, RoutedEventArgs e)
        {
            User Benutzer1 = new User(Convert.ToInt32(txtUserID.Text));

            Benutzer1.changeNameInDB(txtChangeNachname.Text, txtChangeVorname.Text, Convert.ToInt32(txtUserID.Text));
        }
 private void btbAbrufenUser_Click(object sender, RoutedEventArgs e)
 {
     User Benutzer1 = new User(Convert.ToInt32(txtUserID.Text));
     MessageBox.Show("Der Benutzer heißt " + Benutzer1.getNachname() + " " + Benutzer1.getVorname());
 }