Hi friends,

I ma creatin role with the help of vf and apex class...

and displaying roles in Visualforce page with the help of Apex class....

i want to give edit and delete functionalty on vf page... i have given the same...Edit is working properly...

Delete is also working fine... but while i want to delete a role for which any user is assigned it is Showing standard error..(i want to make it custom eg- you can not delete this role)...

can i do this???

this is my code..

public class RoleList

{

        public List<UserRole> list_role{get;set;}   

        public String message {get;set;} 

      public RoleList(ApexPages.StandardController controller)    

        {

         list_role=[Select Name From UserRole Order By Name];       

        }

   public PageReference del()

        {    String delname = ApexPages.CurrentPage().getParameters().get('id'); 

       try       

          {

          Database.delete(delname);  

          }

        catch(System.DMLException e)

        { 

       //         message = 'Whoops! An error occurred -- ';

      //         System.assert(false,message);

          System.assert(false, e.getMessage());        

         } 

  PageReference p=new PageReference('/apex/AdminListView?intFocus=6'); 

  p.setRedirect(true);

    return p;

    }
}