问通过AJAX从另一个用户控件更新用户控件

EN

// Declare a delegate
public delegate void save_CommandEventHandler ();

//Event
save_CommandEventHandler SaveViewChanged public event;

// I run SaveViewChanged() from a click_button but it can run from anywhere
protected void save_Click (object sender, EventArgs e)
{
    UpdateDataInDatabase();

    SaveViewChanged ();
}

protected override void OnInit (EventArgs e)
{
    base.OnInit (e);

    // UserControle1 is the Id of your UserControl declared in Aspx Page
    UserControle1.SaveViewChanged + =
       New UserControle.save_CommandEventHandler
       (Save_CommandEventHandler);
}

private void save_CommandEventHandler () {
    // Reload the gridView gvExpence to see the change operated in the user control
    gvExpence.DataSource =DataAcces.getAllCompanyExpence ();
    gvExpence.DataBind ();

    // update user control 2
    usercontrol2.updateView();
}