Class ModalPopupExtender

[RequiredScript(typeof(DropShadowExtender))]
[RequiredScript(typeof(CommonToolkitScripts))]
[RequiredScript(typeof(DragPanelExtender))]
[ClientScriptResource("AjaxControlToolkit.ModalPopupBehavior", "AjaxControlToolkit.ModalPopup.ModalPopupBehavior.js")]
public class ModalPopupExtender : DynamicPopulateExtenderControlBase, IControlResolver

public ModalPopupExtender()

[ExtenderControlProperty]
public string BackgroundCssClass { get; set; }

[ExtenderControlProperty]
public string CancelControlID { get; set; }

[Obsolete("The drag feature on modal popup will be automatically turned on if you specify the PopupDragHandleControlID property. Setting the Drag property is a noop")]
[ExtenderControlProperty]
public bool Drag { get; set; }

[ExtenderControlProperty]
public bool DropShadow { get; set; }

[ExtenderControlProperty]
public string OkControlID { get; set; }

[ExtenderControlProperty]
public string OnCancelScript { get; set; }

[ExtenderControlProperty]
public string OnOkScript { get; set; }

[RequiredProperty]
[ExtenderControlProperty]
public string PopupControlID { get; set; }

[ExtenderControlProperty]
public string PopupDragHandleControlID { get; set; }

[ExtenderControlProperty]
[ClientPropertyName("repositionMode")]
public ModalPopupRepositionMode RepositionMode { get; set; }

[ExtenderControlProperty]
public int X { get; set; }

[ExtenderControlProperty]
public int Y { get; set; }

public void Hide()

protected override void OnPreRender(EventArgs e)

public void Show()