private async void btnSave_Click(object sender, RoutedEventArgs e)
        {
        

            int index = combLanguages.SelectedIndex - 1;
            string trm, definition;

            trm = txtTerm.Text;
            definition = txtDefinition.Text;

          if(trm.Contains("123456789") )
          {
              messageBox("NUMERIC VALUES");
          }
            
                if (index == -1)
                {
                    messageBox("please select the language you want to add word and definition to");
                }else
                    if (trm == "" || definition == "")
                    {
                        messageBox("Please fill all the field");
                    }
                    else
                    {

                        tblDictionary objNewWord = new tblDictionary()
                        {
                            term = trm,
                            defination = definition,
                            langID = index
                        };
                       //await App.conn.InsertAsync(objNewWord);
                    }
               
            
        }
 private async void setDataInDatabaseAsync(string term, string dif, int LangId)
 {
     //insert into a database
     tblDictionary newRes = new tblDictionary()
     {
         term = term,
         defination = dif,
         langID = LangId
     };
     // SQLiteAsyncConnection conn = new SQLiteAsyncConnection("Lang_Dict.db");
     await conn.InsertAsync(newRes);
 }