Response Redirect in a web part A:- Try going to Page.Response (or SPUtility.Redirect() indeed) System.Web.HttpContext.Current.Response.Redirect([URL Link]); SPUtility.Redirect("login.aspx", SPRedirectFlags.RelativeToLayoutsPage, HttpContext.Current); Getting the URL Query string values in a Web Part A:-the way to use this is Context.Request[string key name]ToString(); string kquery = Page.Request.QueryString[ "kqry" ]; New in SharePoint 2010 CAML Query <IN>,<INCLUDES> &< NOT INCLUDES> Even though Microsoft encourages using LINQ in SharePoint 2010, they introduced some new CAML Query schema elements. They are · IN · INCLUDES · NOT INCLUDES IN: This is something work as same as what we see in SQL Query. We can provide a collection of Items to filter. Previously in SharePoint 2007 we have to use OR operator to do this.. But using OR for multiple times for multiple values will lead to lack in code clarity. So IN operator is c...