private void FormComment_Load(object sender, EventArgs e) { var items = bLogic.Read(null); if (items != null) { comboBoxBlog.DisplayMember = "Name"; comboBoxBlog.ValueMember = "Id"; comboBoxBlog.DataSource = items; if (!id.HasValue) { comboBoxBlog.SelectedItem = null; } else { Type type = cLogic.GetType().GetInterface("ICommentLogic"); var boxBlogId = ((List <CommentViewModel>)(type.InvokeMember("Read", BindingFlags.InvokeMethod, null, cLogic, new object[] { new CommentBindingModel { Id = id } })))?[0].Id; foreach (var item in comboBoxBlog.Items) { if ((item as BlogViewModel).Id == boxBlogId) { comboBoxBlog.SelectedItem = item; } } } } if (id.HasValue) { try { Type type = cLogic.GetType().GetInterface("ICommentLogic"); var view = ((List <CommentViewModel>)(type.InvokeMember("Read", BindingFlags.InvokeMethod, null, cLogic, new object[] { new CommentBindingModel { Id = id } })))?[0]; if (view != null) { textBoxHeader.Text = view.Header; textBoxText.Text = view.Text; textBoxAuthor.Text = view.Author; } } catch (Exception ex) { MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }