– C# for Sharp Kids
http://msdn2.microsoft.com/en-us/library/bb330922(VS.80).aspx
– Query Active Directory Users using C#
http://www.willasrari.com/blog/query-active-directory-users-using-c/000133.aspx
– Obtener con JavaScript el valor seleccionado en un webcontrol DropDownList.
http://geeks.ms/blogs/fernandezja/archive/2007/12/20/obtener-con-javascript-el-valor-seleccionado-en-un-webcontrol-dropdownlist.aspx