Feature receiver, change site collection Search Center

Question

Hi, in a Feature Event Receiver I am changing the Search Center of the site collection but it is not taking effect. Does anyone see any mistake or reason for that? thanks
        public override void FeatureActivated(SPFeatureReceiverProperties properties)
            try
                SPWeb web = properties.Feature.Parent as SPWeb;
                if (web != null)
                    SPSecurity.RunWithElevatedPrivileges(delegate()
                        using (SPSite site = new SPSite(web.Url))
                        using (SPWeb webElevated = site.OpenWeb())
                            webElevated.AllProperties["SRCH_SB_SET_WEB"] = string.Format(
                               "{\"Inherit\":false,\"ResultsPageAddress\":{0},\"ShowNavigation\":false}",
                               SPUrlUtility.CombineUrl(SPContext.Current.Site.Url, "/search/Pages/results.aspx")
               webElevated.AllProperties["SRCH_ENH_FTR_URL_WEB"] = SPUrlUtility.CombineUrl(SPContext.Current.Site.Url, "/search");
               webElevated.Update();
            catch (Exception exception)
                LogWriter.WriteException(exception, LogCategories.Components, this.GetType().ToString());
        }

Answer 1

Hi,
In my test environment, an exception(Input string was not in a correct format.) occurred at this line when I ran your code.
webElevated.AllProperties["SRCH_SB_SET_WEB"] = string.Format("{\"Inherit\":false,\"ResultsPageAddress\":{0},\"ShowNavigation\":false}",SPUrlUtility.CombineUrl(SPContext.Current.Site.Url, "/search/Pages/results.aspx"));
Please modify it as below:
webElevated.AllProperties["SRCH_SB_SET_WEB"] = "{"+string.Format("\"Inherit\":false,\"ResultsPageAddress\":{0},\"ShowNavigation\":false",SPUrlUtility.CombineUrl(SPContext.Current.Site.Url, "/search/Pages/results.aspx"))+"}";
If the issue still exists, I suggest you debug the code to get more information.
Thanks,
Dennis Guo
TechNet Community Support
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Dennis Guo
TechNet Community Support