private void CollectionInfoForm_Load(object sender, EventArgs e)
        {
            lblCollectionName.Text        = Control.currentCollection.Name;
            lblCollectionDescription.Text = Control.currentCollection.Description;
            lblCreatingDate.Text          = Control.currentCollection.CreatingDate.ToShortDateString();
            lblAverageMark.Text           = Control.currentCollection.AverageMark.ToString();
            cbMark.SelectedIndex          = 4;

            CompleteForm.dgvCollectionComments(this);
            CompleteForm.dgvCollectionCreators(this);
            CompleteForm.dgvCollectionObjects(this);
            CompleteForm.dgvCollectionCategories(this);
            CompleteForm.dgvCollectionMarks(this);
        }