An entry with the same key already exists. at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
at System.Collections.Generic.TreeSet`1.Add(T item)
at System.Collections.Generic.SortedDictionary`2.Add(TKey key, TValue value)
at Tamtam.BritishSchool.Website.Control.HomePhotoStack.GetImagesHtml(Int32& imagesCount)
at Tamtam.BritishSchool.Website.Control.HomePhotoStack.Render(HtmlTextWriter output)
A Welcoming Community
With children from all over the world, the BSN provides a truly international experience. Read on to find out what makes us so special...