internal async Task UpdateItemData(string message)
        {
            uint MaxId = 0;

            try
            {
                MaxId = (await _connection.Table <PostItem>().ToListAsync()).Max(x => x.ID);
            }
            catch
            {
            }

            PostItem newPost = new PostItem {
                ID = MaxId + 1, Content = message
            };
            await _connection.InsertAsync(newPost);
        }
 public Task <int> DeleteItemAsync(PostItem item)
 {
     return(_connection.DeleteAsync(item));
 }
 public Task <int> UpdateItemData(PostItem item)
 {
     return(_connection.InsertOrReplaceAsync(item));
 }