public Inquilino ObtenerInquilino(int id)
{
var inquilino = new Inquilino();
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = $"SELECT Id, Nombre, Apellido, Dni, Telefono, Email" +
$" FROM Inquilinos WHERE Id = @id AND Estado = 1";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Parameters.Add("@id", SqlDbType.Int).Value = id;
command.CommandType = CommandType.Text;
connection.Open();
var reader = command.ExecuteReader();
if (reader.Read())
{
inquilino = new Inquilino
{
Id = reader.GetInt32(0),
Nombre = reader.GetString(1),
Apellido = reader.GetString(2),
Dni = reader.GetString(3),
Telefono = reader.GetString(4),
Email = reader.GetString(5),
};
}
connection.Close();
}
}
return(inquilino);
}
public List <Inquilino> ObtenerTodos()
{
var res = new List <Inquilino>();
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = $"SELECT Id, Nombre, Apellido, Dni, Telefono, Email" +
$" FROM Inquilinos WHERE Estado = 1";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.CommandType = CommandType.Text;
connection.Open();
var reader = command.ExecuteReader();
while (reader.Read())
{
Inquilino i = new Inquilino
{
Id = reader.GetInt32(0),
Nombre = reader.GetString(1),
Apellido = reader.GetString(2),
Dni = reader.GetString(3),
Telefono = reader["Telefono"].ToString(),
Email = reader.GetString(5),
};
res.Add(i);
}
connection.Close();
}
}
return(res);
}
public int Modificar(Inquilino i)
{
int res = -1;
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = $"UPDATE Inquilinos SET" + " Nombre=@nombre, Apellido=@apellido, Dni=@dni, Telefono=@telefono, Email=@email " +
$"WHERE Id = @id";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@nombre", i.Nombre);
command.Parameters.AddWithValue("@apellido", i.Apellido);
command.Parameters.AddWithValue("@dni", i.Dni);
command.Parameters.AddWithValue("@telefono", i.Telefono);
command.Parameters.AddWithValue("@email", i.Email);
command.Parameters.AddWithValue("@id", i.Id);
connection.Open();
res = command.ExecuteNonQuery();
connection.Close();
}
}
return(res);
}
public int Alta(Inquilino i)
{
int res = -1;
using (SqlConnection connection = new SqlConnection(connectionString))
{
string sql = "INSERT INTO inquilinos(Nombre, Apellido, Dni, Telefono, Email) " + $"VALUES(@nombre, @apellido, @dni, @telefono, @email);";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@nombre", i.Nombre);
command.Parameters.AddWithValue("@apellido", i.Apellido);
command.Parameters.AddWithValue("@dni", i.Dni);
command.Parameters.AddWithValue("@telefono", i.Telefono);
command.Parameters.AddWithValue("@email", i.Email);
connection.Open();
res = Convert.ToInt32(command.ExecuteScalar());
i.Id = res;
connection.Close();
}
}
return(res);
}