/// <summary>Stores all contacts to list.</summary>
 public static void StoreAllContactsToList()
 {
     try
     {
         using (SqlConnection connection = new SqlConnection(connetionString))
         {
             SqlCommand command = new SqlCommand("RetriveContacts", connection);
             command.CommandType = System.Data.CommandType.StoredProcedure;
             connection.Open();
             SqlDataReader dr = command.ExecuteReader();
             if (dr.HasRows)
             {
                 while (dr.Read())
                 {
                     AddressBookModel addressBookObj = new AddressBookModel();
                     addressBookObj.AddressBookName = dr.GetString(0);
                     addressBookObj.FirstName       = dr.GetString(1);
                     addressBookObj.LastName        = dr.GetString(2);
                     addressBookObj.Address         = dr.GetString(3);
                     addressBookObj.City            = dr.GetString(4);
                     addressBookObj.State           = dr.GetString(5);
                     addressBookObj.Zip             = dr.GetString(6);
                     addressBookObj.PhoneNo         = dr.GetString(7);
                     addressBookObj.Email           = dr.GetString(8);
                     addressBookObj.DateAdded       = dr.GetDateTime(9);
                     Contacts.listContacts.Add(addressBookObj);
                 }
             }
             connection.Close();
         }
     }
     catch (Exception e)
     {
         CustomPrint.PrintInMagenta(e.Message);
     }
 }
        /// <summary>Deletes the contact from database.</summary>
        /// <param name="addressBookObj">The address book object.</param>
        /// <returns>
        ///   <br />
        /// </returns>
        public static bool DeleteContactFromDB(AddressBookModel addressBookObj)
        {
            bool result;

            try
            {
                using (SqlConnection connection = new SqlConnection(connetionString))
                {
                    connection.Open();
                    SqlCommand command = new SqlCommand($"delete from people_contact " +
                                                        $"where FirstName = '{addressBookObj.FirstName}' and LastName = '{addressBookObj.LastName}'", connection);
                    int noOfRow = command.ExecuteNonQuery();
                    CustomPrint.PrintInRed($"{noOfRow} rows affected");
                    result = true;
                    connection.Close();
                }
            }
            catch (Exception e)
            {
                CustomPrint.PrintInMagenta(e.Message);
                result = false;
            }
            return(result);
        }