Welcome to my personal blog, All the information in this bogs is my ideas,findings and thoughts on .Net, Asp.Net and SharePoint.
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When we create a site either through UI or OM, it will not come as a tab unless you check the option ‘Site Actions-->Site Setting-->Navigation-->Show subsites to true’.
On checking the option results in displaying all the subsites as ‘Tabs’. If you want to hide some of them programmatically, you need to change the ‘__GlobalNavigationExcludes’ property from the property bag of SPWeb object.
Consider I have a site with 10 subsites, I enabled the option Site Actions--> Site Settings-->Navigation--> Show subsites to 'true, I can see now 10 addtional tabs, If I say SPWeb.Navigation.GlobalNodes.Count wont return a value approx equal to 10.
SPSite site = new SPSite("http://nishandv3:100/Sites/DevSite/");
SPWeb web = site.OpenWeb(); string strGlobalNavigationExcludes = web.AllProperties["__GlobalNavigationExcludes"].ToString(); web.AllProperties["__GlobalNavigationExcludes"] = strGlobalNavigationExcludes + "{569F3E30-F9AF-44d5-A52C-47670FC3FEAC}"; // 569F3E30-F9AF-44d5-A52C-47670FC3FEAC" is the GUID of the web you want to hide from the navigation. web.Update();
Hope this helps!
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