public List <ToDoDto> GetAll() { List <ToDoDto> todos = new List <ToDoDto>(); using (SqlConnection connection = new SqlConnection(_connectionString)) { connection.Open(); using (SqlCommand command = new SqlCommand()) { command.Connection = connection; command.CommandText = @"SELECT [ToDoId], [Name], [Done] FROM [ToDoList]"; using (SqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { var todo = new ToDoDto { Id = Convert.ToInt32(reader["ToDoId"]), Name = Convert.ToString(reader["Name"]), Done = Convert.ToBoolean(reader["Done"]), }; todos.Add(todo); } } } } return(todos); }
public int Create(ToDoDto toDoDto) { int id = GetId(); using (SqlConnection connection = new SqlConnection(_connectionString)) { connection.Open(); using (SqlCommand command = connection.CreateCommand()) { command.CommandText = @" INSERT INTO [ToDoList] ([ToDoId], [Name], [Done]) VALUES (@ToDoId, @Name, @Done)"; command.Parameters.Add("@ToDoId", SqlDbType.Int).Value = id; command.Parameters.Add("@Name", SqlDbType.NVarChar).Value = toDoDto.Name; command.Parameters.Add("@Done", SqlDbType.Bit).Value = false; return(Convert.ToInt32(command.ExecuteScalar()) + id); } } }
public void Update(int id, ToDoDto toDoDto) { using (SqlConnection connection = new SqlConnection(_connectionString)) { connection.Open(); using (SqlCommand command = connection.CreateCommand()) { command.CommandText = @" UPDATE [ToDoList] SET [Done] = @Done WHERE ToDoId = @ToDoId"; command.Parameters.Add("@ToDoId", SqlDbType.BigInt).Value = id; command.Parameters.Add("@Done", SqlDbType.Bit).Value = true; command.ExecuteNonQuery(); } } }
private int GetId() { List <ToDoDto> ides = new List <ToDoDto>(); using (SqlConnection connection = new SqlConnection(_connectionString)) { connection.Open(); using (SqlCommand command = new SqlCommand()) { command.Connection = connection; command.CommandText = @"SELECT [ToDoId] FROM [ToDoList]"; using (SqlDataReader reader = command.ExecuteReader()) { while (reader.Read()) { var id = new ToDoDto { Id = Convert.ToInt32(reader["ToDoId"]) }; ides.Add(id); } } } } if (ides.Count == 0) { return(1); } else { return(ides.Count + 1); } }