1. project file change, replace guid {603c0e0b-db56-11dc-be95-000d561079b0} with {F85E285D-A4E0-4152-9332-AB1D724D3325} in ProejctTypeGuids nodes
  2. Reference dll change, update all reference in web.config files and project files update runtime binding.
    <runtime>  <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">    <dependentAssembly>      
    <assemblyIdentity name="System.Web.Mvc"           publicKeyToken="31bf3856ad364e35"/>      <bindingRedirect oldVersion="1.0.0.0" newVersion="2.0.0.0"/>    </dependentAssembly>  </assemblyBinding></runtime>
    
  3. javascript file changes, copy new script from new project to old project