ControllerDataGrid<DataItemClass> Class

public abstract class ControllerDataGrid<DataItemClass> : PageDataGrid<DataItemClass>, 
	IControllerDataGrid

Public MustInherit Class ControllerDataGrid(Of DataItemClass)
	Inherits PageDataGrid(Of DataItemClass)
	Implements IControllerDataGrid

public MainWindow()
{
    InitializeComponent();
    this.FrameDataGridView.Content = null;
    this.FrameDictionary.Content = null;
    SetForm();
}

private void SetForm()
{
    this.DataGridView = null;
    this.DictionaryUI = null;
    if(true)
    {
        this.DataGridView = new Controllers.DataGridViewController(this.Database.ConnectionString, this.UserName);
        this.FrameDataGridView.Content = this.DataGridView.PageDataGridUI;
        this.DictionaryUI = new Controllers.DictionaryUIController(this.Database.ConnectionString, this.UserName);
        this.FrameDictionary.Content = this.DictionaryUI.PageDataGridUI;
    }
}

private void Load()
{
    this.FrameDataGridView.Content = DataGridView.Load();
    this.FrameDictionary.Content = DictionaryUI.Load();
}

private void Update()
{
    DataGridView.Update();
    DictionaryUI.Update();
}

switch (TabPageIndex)
{
    case Tabs.none:
        break;
    case Tabs.DataGridView:
        DataGridView.Update();
        break;
    case Tabs.Dictionary:
        DictionaryUI.Update();
        break;
    case Tabs.SQL:
        break;
    default:
        break;
}