public Main_form()
{
InitializeComponent();
this.IsMdiContainer = true; // Thiet lap form cha chua form con
UserData.Text = (string)Variable_Helper.get("Username"); // Dien thong tin nguoi dung
CareerData.Text = (string)Variable_Helper.get("Permission");
}
private void SignoutBtn_Click(object sender, EventArgs e)
{
// Thuc hien dang xuat
this.Hide();
SigninForm signin_form = new SigninForm();
signin_form.ShowDialog();
Variable_Helper.clear_all(); // Xoa tat ca bien chung
this.Close();
}// Nut sign out
} // Function signup
public Dictionary <string, object> sign_in(string username, string password)
{
DataTable data = this.account_db.get_user_info(username); // Lay thong tin
if (data.Rows.Count != 1)
{
//Neu rows tra ve khac 1 tuc la khong co tai khoan
this.return_data.Add("Success", false);
this.return_data.Add("Error", "Ten tai khoan khong ton tai");
return(this.return_data);
}
else
{
string pass_in_db = (string)data.Rows[0]["pass"]; // Lay password luu trong db
if (password != pass_in_db)
{
//Neu password khong trung khop
this.return_data.Add("Success", false);
this.return_data.Add("Error", "Mat khau khong dung");
return(this.return_data);
}
else
{
this.return_data.Add("Success", true);
//Khi dang nhap thanh cong luu username, id, permission lai
//Thong qua class Variable_Helper
Variable_Helper.set("Username", data.Rows[0]["username"]); // Luu username
Variable_Helper.set("ID", data.Rows[0]["id"]); // Luu id
Variable_Helper.set("Permission", data.Rows[0]["permission_name"]); //Luu chuc vu
Variable_Helper.set("Permission_table", data.Rows[0]["permission_table"]); // Luu cac quyen truy cap
//Cap nhat lai lan cuoi dang nhap
this.account_db.update_signin_time((string)data.Rows[0]["username"]);
return(this.return_data);
} // Mat khau chinh xac
} // Neu ten tai khoan ton tai
} // Function sign in
