private void LoadControl(IEditPagePanelExtensionPoint extension)
 {
     var editPanel = new PanelEditPagePanelExtensionControl { PanelId = extension.EditPagePanelId, Text = extension.Text, CssClass = extension.CssClass };
     var control = Page.LoadControl(extension.UserControlSrc);
     control.ID = Path.GetFileNameWithoutExtension(extension.UserControlSrc);
     editPanel.Controls.Add(control);
     Controls.Add(editPanel);
     
 }
        private void LoadControl(IEditPagePanelExtensionPoint extension)
        {
            var editPanel = new PanelEditPagePanelExtensionControl {
                PanelId = extension.EditPagePanelId, Text = extension.Text, CssClass = extension.CssClass
            };
            var control = Page.LoadControl(extension.UserControlSrc);

            control.ID = Path.GetFileNameWithoutExtension(extension.UserControlSrc);
            editPanel.Controls.Add(control);
            Controls.Add(editPanel);
        }