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); }