void btn_Login_Click () { if (!(user.Text == "")) { //INSTANCE DBREPOSITORY DBRepository dbr = new DBRepository (); var usercheck = dbr.user_Check (user.Text.ToUpper(), password.Text); if (usercheck) { //UPDATE DE LA BDD AVEC CE USER AndHUD.Shared.ShowSuccess(this, "Bienvenue", MaskType.Black, TimeSpan.FromSeconds(2)); dbr.setUserdata (user.Text.ToUpper ()); StartActivity(typeof(HomeActivity)); } else { AndHUD.Shared.ShowError(this, "Mauvais mot de passe", MaskType.Black, TimeSpan.FromSeconds(2)); } } else { AndHUD.Shared.ShowError(this, "Champ user obligatoire", MaskType.Black, TimeSpan.FromSeconds(2)); } }