// Редактирование описания
        private void dataGridContent_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            DataRowView     dataRowView     = (DataRowView)dataGrid_Content.SelectedItem;
            ContentEditView contentEditView = new ContentEditView(
                dataRowView.Row[0].ToString(),
                dataRowView.Row[1].ToString(),
                dataRowView.Row[2].ToString(),
                dataRowView.Row[3].ToString()
                );

            contentEditView.ShowDialog();
        }
        // Новое описание
        private void NewProduct_Click(object sender, RoutedEventArgs e)
        {
            //string getNewOrdId = $"SELECT MAX(prd_id) FROM dbo.products;";
            string     getNewOrdId     = $"SELECT IDENT_CURRENT ('dbo.products');";
            SqlCommand sqlGetNewProdId = new SqlCommand(getNewOrdId, LoginView.connection);

            if (LoginView.connection.State == ConnectionState.Closed)
            {
                LoginView.connection.Open();
            }

            ContentEditView contentEditView = new ContentEditView(
                (Convert.ToInt32(sqlGetNewProdId.ExecuteScalar()) + 1).ToString(),
                null,
                null,
                null
                );

            contentEditView.ShowDialog();
        }