private void LoginEmpbtn_Click(object sender, EventArgs e) { #region Condition if (string.IsNullOrWhiteSpace(UsernameTbox.Text) && string.IsNullOrWhiteSpace(PasswordTbox.Text)) { MessageBox.Show("Please Fill All The Fields"); return; } #endregion FirebaseResponse res = client.Get("employee/" + UsernameTbox.Text); AdminModel ResUser = res.ResultAs <AdminModel>(); // DB Result AdminModel CurUser = new AdminModel() // user given info { Username = UsernameTbox.Text, Password = PasswordTbox.Text, }; if (AdminModel.IsEqual(ResUser, CurUser)) { Dashboard ds = new Dashboard(ResUser.Username); ds.Show(); this.Hide(); } else { AdminModel.ShowError(); } }