protected void btDangNhap_Click(object sender, EventArgs e)
{
try
{
String strLogin = "******" + txtTenDN.Text + "' and MatKhau='" + txtMatKhau.Text + "'";
DataTable dt = x.GetData(strLogin);
if (dt.Rows.Count > 0)
{
Session["TenDN"] = txtTenDN.Text;
Response.Redirect("~/Default.aspx");
}
else
{
String strLogin_Admin = "select TenDNAdmin from dbo.ADMIN where TenDNAdmin='" + txtTenDN.Text + "' and MatKhauAdmin='" + txtMatKhau.Text + "'";
DataTable dt1 = x.GetData(strLogin_Admin);
if (dt1.Rows.Count > 0)
{
Session["TenDNAdmin"] = txtTenDN.Text;
Response.Redirect("~/Admin/DangnhapAdmin.aspx");
}
}
lbThongBaoLoi.Text = "Tên đăng nhập hoặc mật khẩu không hợp lệ!";
}
catch (Exception ex)
{
lbThongBaoLoi.Text = "Thất bại!" + ex.ToString();
}
}
//Hàm lấy sách theo một chủ đề
private void HoaTheoChuDe(object maCD)
{
DataTable dt = x.GetData("Select MaHoa,TenHoa,DonGia,HinhMinhHoa from HOA Where MaCD=" + int.Parse(maCD.ToString()));
if (dt.Rows.Count > 0)
{
dlHoaTheoChuDe.DataSource = dt;
dlHoaTheoChuDe.DataBind();
}
}
protected void btDongY_Click(object sender, EventArgs e)
{
try
{
DataTable dt = x.GetData("Select TenDN From KHACHHANG where TenDN='" + txtTenDN.Text + "' and MatKhau='" + txtMatKhauCu.Text + "'");
if (dt.Rows.Count > 0)
{
/*
* SqlConnection con = new SqlConnection(x.strCon);
* con.Open();
* SqlCommand cmd = new SqlCommand();
* cmd.CommandType = CommandType.Text;
* cmd.Connection = con;
* cmd.CommandText = @"UPDATE KhachHang Set MatKhau=@MatKhau WHERE TenDN = @TenDN";
* cmd.Parameters.Add("@TenDN", SqlDbType.VarChar, 15);
* cmd.Parameters["@TenDN"].Value = txtTenDN.Text;
* cmd.Parameters.Add("@MatKhau", SqlDbType.VarChar, 15);
* cmd.Parameters["@MatKhau"].Value = txtMatKhauMoi.Text;
* cmd.ExecuteNonQuery();
* con.Close();
*/
x.Execute("UPDATE KhachHang Set MatKhau = '" + txtMatKhauMoi.Text + "' WHERE TenDN = '" + txtTenDN.Text + "'");
lbThongBaoLoi.Text = "Đổi mật khẩu thành công";
}
else
{
lbThongBaoLoi.Text = "Tên đăng nhập hoặc mật khẩu cũ không hợp lệ!";
}
}
catch
{
lbThongBaoLoi.Text = "Thất bại!";
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Request.QueryString["Ms"] != null)
{
int MaHoa = int.Parse(Request.QueryString["Ms"]);
DataTable dt = x.GetData("SELECT TenHoa,DonGia From HOA WHERE MaHoa=" + MaHoa);
String TenHoa = dt.Rows[0][0].ToString();
float DonGia = float.Parse(dt.Rows[0][1].ToString());
int SoLuong = 1;
ThemVaoGioHang(MaHoa, TenHoa, DonGia, SoLuong);
}
if (Session["Giohang"] != null)
{
DataTable dt = (DataTable)Session["Giohang"];
System.Decimal TongThanhTien = 0;
foreach (DataRow r in dt.Rows)
{
r["ThanhTien"] = Convert.ToInt32(r["SoLuong"]) * Convert.ToDecimal(r["DonGia"]);
TongThanhTien += Convert.ToDecimal(r["Thanhtien"]);
lbTongThanhTien.Text = TongThanhTien.ToString();
}
gvGioHang.DataSource = dt;
gvGioHang.DataBind();
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["TenDN"] == null)
{
Response.Redirect("~/Dangnhap.aspx");
}
if (Session["Giohang"] == null)
{
Response.Redirect("~/Giohang.aspx");
}
if (Session["TenDN"] != null)
{
string s = "Select MaKH,HoTenKH,DiaChiKH,DienThoaiKH,Email from KHACHHANG where TenDN='" + Session["TenDN"].ToString() + "'";
DataTable dt = x.GetData(s);
if (dt.Rows.Count > 0)
{
MaKH = int.Parse(dt.Rows[0][0].ToString());
lbHoTen.Text = dt.Rows[0][1].ToString();
lbDiaChi.Text = dt.Rows[0][2].ToString();
lbDienThoai.Text = dt.Rows[0][3].ToString();
lbEmail.Text = dt.Rows[0][4].ToString();
}
}
if (Session["Giohang"] != null)
{
DataTable dt = new DataTable();
dt = (DataTable)Session["GioHang"];
System.Decimal tongThanhTien = 0;
foreach (DataRow r in dt.Rows)
{
r["ThanhTien"] = Convert.ToInt32(r["SoLuong"]) * Convert.ToDecimal(r["DonGia"]);
tongThanhTien += Convert.ToDecimal(r["ThanhTien"]);
lbTongTien.Text = tongThanhTien.ToString();
}
gvGioHang.DataSource = dt;
gvGioHang.DataBind();
maDonHang = int.Parse(x.GetData("Select max(SoDH) from DONDATHANG").Rows[0][0].ToString()) + 1;
tongTriGia = tongThanhTien;
}
if (!IsPostBack)
{
cldNgayGiaoHang.SelectedDate = DateTime.Today;
}
}
