GridView problem – Item has already been added. Key in dictionary: ‘Timestamp’ Key being added: ‘Timestamp’
In general ASP.net, this can be caused by calling DataBind() more than once on a databound control. Also be aware that this is influenced by automatic databind being on too. Relating this to Sitecore CMS, you should be aware that Sitecore ships with the following line in web.config: <!– AUTOMATIC DATA BIND Indicates if the data bind function…