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Expand ALL & Collapse ALL in Sharepoint Library Group View

 <input type="button" value="Expand ALL" onclick="ProcessAll(this)"  style='color:white;background-color:darkgreen;font-weight:bold;'/> <script> function ProcessAll(btnobj) { if(btnobj.value=="Expand ALL") { expandAllData(); btnobj.value="Collapse ALL"; } else { collapseAllData(); btnobj.value="Expand ALL"; } } function  expandAllData() { $("img.ms-commentexpand-icon").click(); } function  collapseAllData() { $("img.ms-commentcollapse-icon").click(); } </script>

Clear Your SharePoint Designer 2010/2013 Cache

Procedure: Close SPD if it is open   Open My Computer   a.Click the address bar   Paste in: %USERPROFILE%\AppData\Local\Microsoft\WebsiteCache   Delete everything within this location   Click the address bar   Paste in: %APPDATA%\Microsoft\Web Server Extensions\Cache   Delete everything in this location SharePoint Designer 2010 and 2013 Navigate to the "File" menu then select "Options" -> "General" -> "Application Options". On the “General” tab, under the “General” heading, uncheck “Cache site data across SharePoint Designer sessions”.

Validate Current user Belog to Member of the Groups

 public bool VaildateUserBelogtoGroups(string[] groupNames)         {             bool rval = false;             try             {                 foreach (string grpName in groupNames)                 {                     SPGroup ogrp = SPContext.Current.Web.SiteGroups.GetByName(grpName);                     if (ogrp.ContainsCurrentUser && rval == false)                         rval = true;                 }             }             catch (Exception ex)             {     ...

Show Sharepoint Ribbon on page Load

<script> setTimeout(function() { var elem = document.getElementById("MSOZoneCell_WebPartWPQ2"); if(elem != null) { var dummyevent = new Array(); dummyevent["target"] = elem; dummyevent["srcElement"] = elem; WpClick(dummyevent); } }, 100); </script> The above script will invoke the ribbon by default in IE( for the specific webpart), incase if you added multiple webparts.

Task List Not Showing in Add an App

Today i found that one of the Sub site is missing the Task List in Add an APP. i am searching the root cause nothing i found Then i decided to search on Site Features, there i found Team Collaboration Lists - This Feature i Deactivated and Activated then its Showing Now... :) Hope this may helps someone.