public ActionResult Index()
{
try
{
DataProvider dp = new DataProvider();
string sql = @"SELECT *
FROM thanhpho
ORDER BY tenthanhpho";
DataTable dt = new DataTable();
dt = dp.ExecuteQuery(sql);
List<ThanhPho> ls = new List<ThanhPho>();
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
ThanhPho item = new ThanhPho();
item.MaThanhPho = (int)dt.Rows[i]["mathanhpho"];
item.TenThanhPho = (string)dt.Rows[i]["tenthanhpho"];
ls.Add(item);
}
}
ViewBag.MaThanhPho = new SelectList(ls, "mathanhpho", "tenthanhpho", 1);
return PartialView("~/Views/Shared/ThanhPho.cshtml", ls);
}
catch (Exception ex)
{
ViewBag.ErrorMessage = ex.Message;
return PartialView("~/Views/Shared/ThanhPho.cshtml");
}
}
//
// GET: /TimKiem/
public ActionResult Index()
{
DataProvider dp = new DataProvider();
//Load danh sach thanh pho
string sql = @"SELECT * FROM thanhpho t ";
DataTable dt = new DataTable();
dt = dp.ExecuteQuery(sql);
List<ThanhPho> dsThanhPho = new List<ThanhPho>();
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
ThanhPho item = new ThanhPho();
item.MaThanhPho = (int)dt.Rows[i]["mathanhpho"];
item.TenThanhPho = dt.Rows[i]["tenthanhpho"].ToString();
dsThanhPho.Add(item);
}
}
ViewBag.dsThanhPho = dsThanhPho;
ViewBag.txtTimKiem = "";
ViewBag.cmbDienTich = 0;
ViewBag.cmbGia = 0;
ViewBag.cmbThanhPho = 0;
ViewBag.cmbQuan = 0;
ViewBag.cmbDuong = 0;
ViewBag.isTimKiem = false;
ViewBag.dsCanHoCount = 0;
return View("~/Views/Shared/TimKiem.cshtml");
}
public static List<ThanhPho> ListThanhPho()
{
List<ThanhPho> ls = new List<ThanhPho>();
try
{
DataProvider dp = new DataProvider();
string sql = @"SELECT *
FROM thanhpho
ORDER BY tenthanhpho";
DataTable dt = new DataTable();
dt = dp.ExecuteQuery(sql);
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
ThanhPho item = new ThanhPho();
item.MaThanhPho = (int)dt.Rows[i]["mathanhpho"];
item.TenThanhPho = (string)dt.Rows[i]["tenthanhpho"];
ls.Add(item);
}
}
return ls;
}
catch (Exception ex)
{
return ls;
}
}
public ActionResult Index(string txtTimKiem, int cmbDienTich,
int cmbGia, int cmbDuong,
int cmbQuan, int cmbThanhPho,
string chkSuaLoi)
{
//Load danh sach thanh pho
DataProvider dp = new DataProvider();
string sql = @"SELECT * FROM thanhpho t ";
DataTable dt = new DataTable();
dt = dp.ExecuteQuery(sql);
List<ThanhPho> dsThanhPho = new List<ThanhPho>();
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
ThanhPho item = new ThanhPho();
item.MaThanhPho = (int)dt.Rows[i]["mathanhpho"];
item.TenThanhPho = dt.Rows[i]["tenthanhpho"].ToString();
dsThanhPho.Add(item);
}
}
ViewBag.dsThanhPho = dsThanhPho;
ViewBag.txtTimKiem = txtTimKiem;
ViewBag.cmbDienTich = cmbDienTich;
ViewBag.cmbGia = cmbGia;
ViewBag.cmbThanhPho = cmbThanhPho;
ViewBag.cmbQuan = cmbQuan;
ViewBag.cmbDuong = cmbDuong;
ViewBag.chkSuaLoi = chkSuaLoi;
//TRUY VAN TIM KIEM CAN HO
sql = @"FROM canho ch, duong d, quan q, thanhpho tp
WHERE ch.kichhoat = 1 AND
ch.matrangthaicanho = 2 AND
ch.maduong = d.maduong AND
d.maquan = q.maquan AND
q.mathanhpho = tp.mathanhpho
AND ch.tencanho LIKE N'%" + txtTimKiem + @"%'
";
switch (cmbGia)
{
case 1:
sql += " AND ch.giathue < 1000000 ";
break;
case 2:
sql += " AND 1000000 <= ch.giathue AND ch.giathue < 3000000 ";
break;
case 3:
sql += " AND 3000000 <= ch.giathue AND ch.giathue < 5000000 ";
break;
case 4:
sql += " AND 5000000 <= ch.giathue AND ch.giathue < 10000000 ";
break;
case 5:
sql += " AND ch.giathue >= 10000000 ";
break;
default:
break;
}
switch (cmbDienTich)
{
case 1:
sql += " AND ch.dientich < 30 ";
break;
case 2:
sql += " AND 30 <= ch.dientich AND ch.dientich < 50 ";
break;
case 3:
sql += " AND 50 <= ch.dientich AND ch.dientich < 80 ";
break;
case 4:
sql += " AND 80 <= ch.dientich AND ch.dientich < 100 ";
break;
case 5:
sql += " AND ch.dientich >= 100 ";
break;
default:
break;
}
if (cmbThanhPho != 0)
{
sql += " AND tp.mathanhpho = " + cmbThanhPho + " ";
}
if (cmbQuan != 0)
{
sql += " AND q.maquan = " + cmbQuan + " ";
}
if (cmbDuong != 0)
{
sql += " AND d.maduong = " + cmbDuong + " ";
}
//Tao lenh moi
string sqlHeader = "SELECT COUNT(ch.macanho) ";
SqlCommand cmd = new SqlCommand(sqlHeader + sql, dp.Connect);
SqlDataReader reader = null;
List<CanHo> dsCanHo = new List<CanHo>();
dp.OpenConnect();
//Tao transaction moi
if (chkSuaLoi != null)
{
//Set level = Serializable để giải quyết Phantom
cmd.Transaction = cmd.Connection.BeginTransaction(IsolationLevel.Serializable);
}
else
{
//Set level = ReadCommitted mức mặc định
cmd.Transaction = cmd.Connection.BeginTransaction(IsolationLevel.ReadCommitted);
}
try
{
reader = cmd.ExecuteReader();
//Doc so dong du lieu
while (reader.Read())
{
ViewBag.dsCanHoCount = reader.GetValue(0);
}
reader.Close();
Thread.Sleep(5000); //Wait for 15 seconds
//truy van tim kiem
sqlHeader = "SELECT ch.*, d.tenduong, q.tenquan, tp.tenthanhpho ";
cmd.CommandText = sqlHeader + sql;
reader = cmd.ExecuteReader();
/*
0 macanho
1 tencanho
2 maduong
3 diachi
4 mieuta
5 toado
6 giathue
7 dientich
8 matrangthaicanho
9 ngaydang
10 nguoidang
11 ghichu
12 kichhoat
13 tenduong
14 tenquan
15 tenthanhpho
*/
while (reader.Read())
{
//Tao mang luu tru dong du lieu (FieldCount = so cot du lieu)
object[] row = new object[reader.FieldCount];
//Doc gia tri vao mang
reader.GetValues(row);
CanHo item = new CanHo();
item.MaCanHo = int.Parse(row[0].ToString());
item.TenCanHo = row[1].ToString();
item.MaDuong = int.Parse(row[2].ToString());
item.DiaChi = row[3].ToString() + " " + row[13].ToString() + ", " +
row[14].ToString() + ", " + row[15].ToString();
item.MieuTa = row[4].ToString();
item.ToaDo = row[5].ToString();
item.GiaThue = double.Parse(row[6].ToString());
item.DienTich = double.Parse(row[7].ToString());
item.MaTrangThaiCanHo = int.Parse(row[8].ToString());
item.TrangThaiCanHo = (TrangThaiCanHo)int.Parse(row[8].ToString());
item.NgayDang = DateTime.Parse(row[9].ToString());
item.NguoiDang = int.Parse(row[10].ToString());
item.GhiChu = row[11].ToString();
item.KichHoat = int.Parse(row[12].ToString());
dsCanHo.Add(item);
}
reader.Close();
cmd.Transaction.Commit();
}
catch (Exception ex)
{
//Roll back neu bi loi
if (cmd.Transaction != null)
{
cmd.Transaction.Rollback();
}
}
finally
{
//Dong ket noi
dp.Connect.Close();
}
ViewBag.isTimKiem = true;
return View("~/Views/Shared/TimKiem.cshtml", dsCanHo);
}
