string username = SPContext.Current.Web.CurrentUser.Name;            if (username != null)            {                SPSecurity.RunWithElevatedPrivileges(delegate()             ...

SPquery resuable workflow What are SPQuery and SPSiteDataQuery? SPSiteDataQuery properties? Difference between SPQuery and SPSiteDataQuery? What are the limitations of both? How the SPQuery and SPSiteDataQuery return? How to set the row limit to the both? Searching scope levels of SPQuery and SPSiteDataQuery? What is...