Setting SharePoint Zone Width


 protected override void OnPreRender(EventArgs e)  
   {  
     base.OnPreRender(e);  
     //Add style to get 80/20 column widths for the left/right web part zones  
     Microsoft.Dynamics.Framework.Portal.UI.StyleRegisterHelper.SetWebPartZoneWidths(this.Page, Unit.Percentage(80), Unit.Percentage(20));  
   }