Automatically Dispose SharePoint objects using C#

Follwoing Code help yoiu to automaticaly Dispose SPSite & SPWeb Object

this is because SPSite & SPWeb implements IDisposable Interface

you can use "Using" for disposing other objects which implements IDisposable Interface.

using(SPSite oSPsite = new SPSite("http://server"))
{
  using(SPWeb oSPWeb = oSPSite.OpenWeb())
   {
       str = oSPWeb.Title;
       str = oSPWeb.Url;
   }
}