private void ViewDialog_ButtonOk(object sender, EventArgs e)
        {
            if (!viewDialog.IsCorrectInputData())
            {
                return;
            }
            category.Name = viewDialog.GetName();
            if (category.Id == 0)
            {
                catalogReposytory.Add(category);
            }
            else
            {
                catalogReposytory.Save(category);
            }

            viewDialog.ClearFields();
            viewDialog.Hide();
        }