SharePoint 2013 – DateControl “Access Denied” (error in '/' application. runtime error)

Sharepoint DateTimeControl açilirken "/_layouts/15/iframe.aspx" frame Url ini kullanmanktadir.
Kesin karşılacaginiz bir problem.

Çözüm:

-On Page load
DateTimeControl dtPicker.DatePickerFrameUrl =ResolveUrl(SPContext.Current.Site.Url + “/_layouts/15/iframe.aspx”);

Veya

dtTarih1.DatePickerFrameUrl =ResolveUrl(SPContext.Current.Site.Url + “/_layouts/15/iframe.aspx”);