public HistoryApplications() { InitializeComponent(); ApplicationsDataGridView.DataSource = Applications.GetHistory(); CustomerComboBox.SelectedIndex = 0; CustomerComboBox.DataSource = Customer.GetAllDivisions(); if (ApplicationsDataGridView.RowCount == 0) { ApplicationsDataGridView.Visible = false; NotificationLabel.Visible = true; CustomerComboBox.Enabled = false; PeriodFromDateTimePicker.Enabled = false; PeriodToDateTimePicker.Enabled = false; ShowAllLinkLabel.Enabled = false; } }