title: Sharepoint Client Object Model Updating Property of a only one folder
body: <p>I am working on a sharepoint clientobjectmodel code.
  There is a folder called "John Details" inside "User Details Folder".
  I am trying to update 2 properties for the "John Details" folder. 
  How do I do that?</p>
  
  <pre><code>Public Void UpdateColumnsForOnlyOneFolder(maildId1,mailId2){
                 ClientContext ctx = new ClientContext("http://mytestsite/");
  
                  List list = ctx.Web.Lists.GetByTitle("User Details");
                  Microsoft.SharePoint.Client.ListItemCollection items = list.GetItems(CamlQuery.CreateAllItemsQuery());
                  ctx.Load(items); 
                  ctx.ExecuteQuery();
  
                  foreach (var item in items)
                  {
                      item["email1"] = mailId1;              
                      item["email2"] = mailId2;              
                      item.Update();
                  }
                  ctx.ExecuteQuery(); 
  }
  </code></pre>