test_delete

test_delete

using System.Collections.Generic;
using Domain;
using System;
using System.Data.SqlClient;

namespace Persistence
{
    public class SqlBusinessTree: IRepository
    {
        SqlConnection conn;
        SqlCommand comm;
        SqlDataReader dreader;
        
        /* ToDo: define connection string */
        
        string connstring = "our connection string";
       
        public UnbindedData GetData(long id)
        {
            return null;
        }

        public void UpdateLevel(Level item, long? firstLevel = null)
        {
            throw new System.NotImplementedException();
        }

        public void UpdateProperty(Property item, long? firstLevel = null)
        {
            throw new System.NotImplementedException();
        }


        public void Delete(long id)
        {
            conn = new SqlConnection(connstring);
            conn.Open();
            comm = new SqlCommand("delete from Levels where Levels.LevelID = " + id + " ", conn);
            try
            {
                comm.ExecuteNonQuery();
                Console.Writeline("Deleted...");
            }
            catch (Exception x)
            {
                Console.Writeline(" Not Deleted" + x.Message );
            }
            finally
            {
                conn.Close();
            }
            
            /* ToDo: придумать что делать с висящими ветками */
        }
    }
}