//DeleteOB
public bool _DeleteOb(Ob_HT_DuLieuChucNang ob, SqlConnection conn)
{
if (conn.ConnectionString == "")
{
return(false);
}
conn.Open();
SqlCommand command = new SqlCommand
{
Connection = conn,
CommandType = CommandType.Text,
CommandText = @"Delete From HT_DuLieuChucNang Where ID_ChucNang=@ID_ChucNang"
};
command.Parameters.Add(new SqlParameter("ID_ChucNang", ob.ID_CHUCNANG));
try
{
command.ExecuteNonQuery();
}
catch (Exception exception)
{
MessageBox.Show("Không thể xóa dữ liệu. \r\n" + exception.Message, "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error);
command.Dispose();
command = null;
conn.Close();
return(false);
}
command.Dispose();
command = null;
conn.Close();
return(true);
}
//UpdateOb ob
public bool _UpdateOb(Ob_HT_DuLieuChucNang ob, SqlConnection conn)
{
if (conn.ConnectionString == "")
{
return(false);
}
conn.Open();
SqlCommand command = new SqlCommand {
Connection = conn,
CommandType = CommandType.Text,
CommandText = @"Update HT_DuLieuChucNang Set TenBang=@TenBang, MoTa=@MoTa Where ID_ChucNang=@ID_ChucNang and TenBang=@TenBang"
};
command.Parameters.Add("ID_ChucNang", SqlDbType.Int).Value = ob.ID_CHUCNANG;
if (ob.TENBANG.Trim() == "")
{
command.Parameters.Add("TenBang", SqlDbType.VarChar).Value = DBNull.Value;
}
else
{
command.Parameters.Add("TenBang", SqlDbType.VarChar).Value = ob.TENBANG;
}
if (ob.MOTA.Trim() == "")
{
command.Parameters.Add("MoTa", SqlDbType.NVarChar).Value = DBNull.Value;
}
else
{
command.Parameters.Add("MoTa", SqlDbType.NVarChar).Value = ob.MOTA;
}
try
{
command.ExecuteNonQuery();
}
catch (Exception exception)
{
MessageBox.Show("Không thể cập nhật dữ liệu. \r\n" + exception.Message, "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error);
command.Dispose();
command = null;
conn.Close();
return(false);
}
if (command.ExecuteNonQuery() == 0)
{
MessageBox.Show("Không thể cập nhật dữ liệu. \r\n", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error);
command.Dispose();
command = null;
conn.Close();
return(false);
}
command.Dispose();
command = null;
conn.Close();
return(true);
}
//GetObWhere
public Ob_HT_DuLieuChucNang _GetObWhere(string keyword, SqlConnection conn)
{
if (conn.ConnectionString == "")
{
return(null);
}
conn.Open();
Ob_HT_DuLieuChucNang ob = new Ob_HT_DuLieuChucNang();
SqlCommand command = new SqlCommand
{
Connection = conn,
CommandType = CommandType.Text,
CommandText = @"Select ID_ChucNang, TenBang, MoTa From HT_DuLieuChucNang Where " + keyword + ""
};
SqlDataReader reader = command.ExecuteReader();
int num = 0;
while (reader.Read())
{
num++;
if (reader[0] != DBNull.Value)
{
ob.ID_CHUCNANG = Convert.ToInt32(reader[0]);
}
if (reader[1] != DBNull.Value)
{
ob.TENBANG = Convert.ToString(reader[1]);
}
if (reader[2] != DBNull.Value)
{
ob.MOTA = Convert.ToString(reader[2]);
}
}
if (num == 0)
{
command.Dispose();
command = null;
reader.Dispose();
reader = null;
conn.Close();
return(null);
}
command.Dispose();
command = null;
reader.Dispose();
reader = null;
conn.Close();
return(ob);
}
//InsertobGetId
public int _InsertObGetId(Ob_HT_DuLieuChucNang ob, SqlConnection conn)
{
int num = 0;
if (conn.ConnectionString != "")
{
conn.Open();
SqlCommand command = new SqlCommand
{
Connection = conn,
CommandType = CommandType.Text,
CommandText = @"Insert Into HT_DuLieuChucNang (ID_ChucNang, TenBang, MoTa) Values(@ID_ChucNang, @TenBang, @MoTa)Select @@IDENTITY"
};
command.Parameters.Add("ID_ChucNang", SqlDbType.Int).Value = ob.ID_CHUCNANG;
if (ob.TENBANG.Trim() == "")
{
command.Parameters.Add("TenBang", SqlDbType.VarChar).Value = DBNull.Value;
}
else
{
command.Parameters.Add("TenBang", SqlDbType.VarChar).Value = ob.TENBANG;
}
if (ob.MOTA.Trim() == "")
{
command.Parameters.Add("MoTa", SqlDbType.NVarChar).Value = DBNull.Value;
}
else
{
command.Parameters.Add("MoTa", SqlDbType.NVarChar).Value = ob.MOTA;
}
try
{
num = Convert.ToInt32(command.ExecuteScalar());
}
catch (Exception exception)
{
MessageBox.Show("Không thể thêm dữ liệu. \r\n" + exception.Message, "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error);
command.Dispose();
command = null;
conn.Close();
return(num);
}
command.Dispose();
command = null;
conn.Close();
}
return(num);
}
//ListWhere_sp
public List <Ob_HT_DuLieuChucNang> _ListWhere_sp(string StoredName, SqlParameter[] ArrayParameter, SqlConnection conn)
{
if (conn.ConnectionString == "")
{
return(null);
}
conn.Open();
List <Ob_HT_DuLieuChucNang> list = new List <Ob_HT_DuLieuChucNang>();
SqlCommand command = new SqlCommand
{
Connection = conn,
CommandType = CommandType.Text,
CommandText = StoredName
};
command.Parameters.AddRange(ArrayParameter);
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
Ob_HT_DuLieuChucNang ob = new Ob_HT_DuLieuChucNang();
if (reader[0] != DBNull.Value)
{
ob.ID_CHUCNANG = Convert.ToInt32(reader[0]);
}
if (reader[1] != DBNull.Value)
{
ob.TENBANG = Convert.ToString(reader[1]);
}
if (reader[2] != DBNull.Value)
{
ob.MOTA = Convert.ToString(reader[2]);
}
list.Add(ob);
}
command.Dispose();
command = null;
reader.Dispose();
reader = null;
conn.Close();
return(list);
}
//ListAll
public List <Ob_HT_DuLieuChucNang> _ListAll(SqlConnection conn)
{
if (conn.ConnectionString == "")
{
return(null);
}
conn.Open();
List <Ob_HT_DuLieuChucNang> list = new List <Ob_HT_DuLieuChucNang>();
SqlCommand command = new SqlCommand
{
Connection = conn,
CommandType = CommandType.Text,
CommandText = @"Select ID_ChucNang, TenBang, MoTa From HT_DuLieuChucNang"
};
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
Ob_HT_DuLieuChucNang ob = new Ob_HT_DuLieuChucNang();
if (reader[0] != DBNull.Value)
{
ob.ID_CHUCNANG = Convert.ToInt32(reader[0]);
}
if (reader[1] != DBNull.Value)
{
ob.TENBANG = Convert.ToString(reader[1]);
}
if (reader[2] != DBNull.Value)
{
ob.MOTA = Convert.ToString(reader[2]);
}
list.Add(ob);
}
command.Dispose();
command = null;
reader.Dispose();
reader = null;
conn.Close();
return(list);
}
public Ob_HT_DuLieuChucNang(Ob_HT_DuLieuChucNang newOb)
{
id_chucnang = newOb.ID_CHUCNANG;
tenbang = newOb.TENBANG;
mota = newOb.MOTA;
}