protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.activity_main);
//Create Database
db = new Database();
db.createDatabase();
lstViewData = FindViewById <ListView>(Resource.Id.listView);
var edtName = FindViewById <EditText>(Resource.Id.edtName);
var btnAdd = FindViewById <Button>(Resource.Id.btnAdd);
var btnEdit = FindViewById <Button>(Resource.Id.btnEdit);
var btnRemove = FindViewById <Button>(Resource.Id.btnRemove);
//Load Data
LoadData();
//Event
btnAdd.Click += delegate
{
Shopping shopping = new Shopping()
{
Name = edtName.Text,
};
db.insertIntoTable(shopping);
LoadData();
};
btnEdit.Click += delegate
{
Shopping shopping = new Shopping()
{
Id = int.Parse(edtName.Tag.ToString()),
Name = edtName.Text,
};
db.updateTable(shopping);
LoadData();
};
btnRemove.Click += delegate
{
Shopping shopping = new Shopping()
{
Id = int.Parse(edtName.Tag.ToString()),
Name = edtName.Text,
};
db.removeTable(shopping);
LoadData();
};
}
//Delete Data Operation
public bool removeTable(Shopping shopping)
{
try
{
using (var connection = new SQLiteConnection(System.IO.Path.Combine(folder, "Shopping.db")))
{
connection.Delete(shopping);
return(true);
}
}
catch (SQLiteException ex)
{
Log.Info("SQLiteEx", ex.Message);
return(false);
}
}
//Edit Operation
public bool updateTable(Shopping shopping)
{
try
{
using (var connection = new SQLiteConnection(System.IO.Path.Combine(folder, "Shopping.db")))
{
connection.Query <Shopping>("UPDATE Shopping set Name=? Where Id=?", shopping.Name, shopping.Id);
return(true);
}
}
catch (SQLiteException ex)
{
Log.Info("SQLiteEx", ex.Message);
return(false);
}
}