Create the table first:
public
string Country
{
public
string city
{
set;
get;
}
}
 
App.xaml.cs
Create the table :
db.createTable<country>();
Insert the default values in Table:
db.insert(new 
Country{City="Hyderabad"});
db.insert(new 
Country{city="Banglore"});
 
Xaml.cs
 
public 
MainPage()
{
this.InitializeComponent();
DropList();
}
 
public
void DropLIst()
{
  var Dbpath = 
Path.Combine(Windows.Storage.ApplicationData.Current.LocalFolder.Path,
"Smart.db3")
  
using (var db =new 
SQLite.SQLiteConnection(Dbpath))
  {
     var query = db.Table<Country>();
     var result =query.ToList();
     
foreach (var item in result)
     {
       Country obj =
new Country();
       
cba.Items.Add(item.city);
     }
  }
}