private async void btnLogin_Click(object sender, EventArgs e)
{
if (txtUsername.Text == "" || txtPassword.Text == "")
{
MessageBox.Show("Username and password must not be null", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (lstAdminAccount == null)
{
AdminAccountWrapper adminAccountWrapper = new AdminAccountWrapper();
lstAdminAccount = await adminAccountWrapper.List();
}
string username = txtUsername.Text;
string password = ARSUtilities.Md5Hash(txtPassword.Text);
AdminAccount adminAccount = lstAdminAccount.Where(aa => aa.Username == username && aa.Password.ToLower() == password.ToLower()).SingleOrDefault();
if (adminAccount == null)
{
MessageBox.Show("Wrong username or password!", "Login failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
fMain.isLoggedIn = isLoggedIn = true;
Close();
}
private async void btnDelete_Click(object sender, EventArgs e)
{
// Lay tai khoan admin dang duoc chon trong bang
AdminAccount adminAccount = GetSelectedAdminAccount();
// Neu hien tai khong co tai khoan nao duoc chon thi hien thong bao
if (adminAccount == null)
{
MessageBox.Show("You must choose an account to edit!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
// Neu co tai khoan dang duoc chon thi sua cot IsActive lai thanh False
adminAccount.IsActive = false;
// Gui len server de cap nhat lai cot IsActive trong CSDL
AdminAccountWrapper adminAccountWrapper = new AdminAccountWrapper();
bool isSuccess = await adminAccountWrapper.Put(adminAccount.ID, adminAccount);
// Kiem tra ket qua tra ve
if (isSuccess)
{
// Neu ket qua la thanh cong, hien thong bao thanh cong
MessageBox.Show("Account status was set to inactive!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
// Load lai bang
LoadDataGridView();
}
else
{
// Neu ket qua that bai, hien thong bao loi
MessageBox.Show("An error has occurred!\n" + adminAccountWrapper.GetErrorMessage(), "Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private async void btnSubmit_Click(object sender, EventArgs e)
{
// Lay gia tri tren form gan vao account
adminAccount.Username = txtUsername.Text;
adminAccount.Name = txtName.Text;
adminAccount.Role = txtRole.Text;
adminAccount.IsActive = rbtnActive.Checked;
// Neu dang o che do tao account moi thi phai lay gia tri trong o password gan vao account.
// Neu dang o che do chinh sua ma gia tri trong o password khac voi gia tri password cua account
// nghia la nguoi dung da thay doi password, phai cap nhat luon password
if (mode == FormMode.CREATE || txtPassword.Text != adminAccount.Password)
{
adminAccount.Password = ARSUtilities.Md5Hash(txtPassword.Text);
}
// Tao mot API
AdminAccountWrapper adminAccountWrapper = new AdminAccountWrapper();
// Tao bien luu ket qua tra ve
bool isSuccess;
// Kiem tra xem dang o che do nao
if (mode == FormMode.CREATE)
{
// Neu dang o che do them moi (CREATE)
// POST account len server
isSuccess = await adminAccountWrapper.Post(adminAccount);
}
else
{
// Neu dang o che do chinh sua (EDIT)
// PUT account len server
isSuccess = await adminAccountWrapper.Put(adminAccount.ID, adminAccount);
}
// Kiem tra ket qua tra ve
if (isSuccess)
{
// Neu thanh cong
MessageBox.Show("Operation completed successfully!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
// Tat form CE
this.Close();
}
else
{
// Neu that bai, hien thong bao loi
MessageBox.Show("An error has occurred:\n" + adminAccountWrapper.GetErrorMessage(), "Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public async void LoadDataGridView()
{
// Luu lai dong hien tai dang chon
int currentRowIndex;
// Neu hien tai khong co dong nao duoc chon thi mac dinh la dong so 0
if (dgvAdmin.SelectedRows.Count == 0)
{
currentRowIndex = 0;
}
else
{
currentRowIndex = dgvAdmin.Rows.IndexOf(dgvAdmin.SelectedRows[0]);
}
// Luu lai dong hien tai dang o dau` bang? trong dataGridView
int firstRowIndex = dgvAdmin.FirstDisplayedScrollingRowIndex;
if (firstRowIndex == -1)
{
firstRowIndex = 0;
}
// Goi API lay du lieu ve
AdminAccountWrapper adminAccountWrapper = new AdminAccountWrapper();
List <AdminAccount> lstAdminAccount = await adminAccountWrapper.List();
// Tao bang de chua du lieu tra ve tu API
DataTable table = new DataTable();
table.Columns.Add("ID");
table.Columns.Add("Username");
table.Columns.Add("Password");
table.Columns.Add("Name");
table.Columns.Add("Role");
table.Columns.Add("IsActive");
// Kiem tra xem ket qua goi API co thanh cong hay khong
if (lstAdminAccount != null)
{
// Lap qua tung "dong` du lieu"
foreach (AdminAccount adminAccount in lstAdminAccount)
{
// Tao mot dong` trong bang winForm
DataRow row = table.NewRow();
// Gan du lieu len dong moi tao
row["ID"] = adminAccount.ID;
row["Username"] = adminAccount.Username;
row["Password"] = adminAccount.Password;
row["Name"] = adminAccount.Name;
row["Role"] = adminAccount.Role;
row["IsActive"] = adminAccount.IsActive;
// Gan dong moi tao vao bang
table.Rows.Add(row);
}
// Sau khi lap qua het cac dong du lieu
// Ta co bang WinForm hoan chinh
// Gan bang WinForm len DataGridView
dgvAdmin.DataSource = table;
// An cot password
dgvAdmin.Columns["Username"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
dgvAdmin.Columns["Password"].Visible = false;
// Chon lai dong ban dau duoc chon truoc khi reload
if (dgvAdmin.Rows.Count > 0)
{
dgvAdmin.Rows[currentRowIndex].Selected = true;
}
// Cuon. toi' dong` duoc. chon.
if (dgvAdmin.Rows.Count > 0)
{
dgvAdmin.FirstDisplayedScrollingRowIndex = firstRowIndex;
}
}
}