SharePoint IsDlg Not Working Properly: Left Nav and Ribbon Are Still Displayed

INTRODUCTION So my client is running SharePoint which unfortunately the main master page has been modified using SharePoint Designer; therefore it causes the master page to be “un-ghosted”. Any updates made to the original master page located in the source control (TFS) no longer affects the stored master page due to this disconnection. Therefore, I had to copy/paste the customisation from […]