public OfficeControl()
        {
            InitializeComponent();

            DragPanel dragPanel = new DragPanel(panelEdit, buttonClosePanelEdit, buttonEditShow);

            SearchTextBox search = new SearchTextBox(dataGridViewMain, textBoxSearch, comboBoxSearch);

            panelAddOffice.SignOnEventControlsToShowHint();

            dataGridViewMain.AddClearRange(context.Offices.ToList());
        }
        public EmployeesControl()
        {
            InitializeComponent();

            DragPanel dragPanel2 = new DragPanel(panelEdit, buttonClosePanelEdit, buttonEditShow);
            DragPanel dragPanel  = new DragPanel(panelAddJobPosition, buttonClosePanelAddJobPosition, buttonAddNewJobPosition);

            SearchTextBox search = new SearchTextBox(dataGridViewMain, textBoxSearch, comboBoxSearch);

            panelAddEmployee.SignOnEventControlsToShowHint();

            comboBoxOffices.AddClearEntities <Office>(context, "Name");
            comboBoxEditOffices.AddClearEntities <Office>(context, "Name");
            comboBoxJobPosition.AddClearEntities <JobPosition>(context, "Name");
            comboBoxEditJobPosition.AddClearEntities <JobPosition>(context, "Name");

            dataGridViewMain.AddClearRange(context.Employees.ToList());
            dataGridJobPosition.AddClearRange(context.JobPositions.ToList());
        }
        public OrdersControl()
        {
            InitializeComponent();

            DragPanel dragPanel2 = new DragPanel(panelEdit, buttonClosePanelEdit, buttonEditShow);
            DragPanel dragPanel  = new DragPanel(panelAddClient, buttonClosePanelAddClient, buttonAddNewClient);

            SearchTextBox search = new SearchTextBox(dataGridViewMain, textBoxSearch, comboBoxSearch);

            textBoxCost.OnlyForDecimal();
            textBoxEditCost.OnlyForDecimal();

            panelAddOrder.SignOnEventControlsToShowHint();

            comboBoxEditEmployee.AddClearEntities <Employee>(context, "Surname");
            comboBoxEditServers.AddClearEntities <Server>(context, "Name");
            comboBoxServers.AddClearEntities <Server>(context, "Name");
            comboBoxClients.AddClearEntities <Client>(context, "FullName");
            comboBoxEditClients.AddClearEntities <Client>(context, "FullName");

            UpdateTable(context.Orders.ToList());
            dataGridClients.AddClearRange(context.Clients.ToList());
        }