<apex:page showHeader="false" standardStylesheets="false"
    standardController="Event__c" extensions="SaveAsPdfExtension" action="{!savePdf}">

    <header>
        <h1 align="center">VIPs for {!Event__c.Name}</h1>
    </header>
    <apex:repeat value="{! VIPs }" var="Guest">
        <section class="container">
          <div>
            <article>
                <h2>Name: {!Guest.Guest_Name__c }</h2>
                <h3>Description:</h3>
                <p>{!Guest.Guest__r.Description }</p>
            </article>
          </div>
        </section>
    </apex:repeat>
</apex:page>

public PageReference savePdf() 
    {
        PageReference pdf = Page.Event_Crib_Sheet;
        pdf.getParameters().put('id',Event.Id);
        Attachment attach = new Attachment();
        Blob body;
        try
        {
            body = pdf.getContentasPDF();    
        } 
        catch (VisualforceException e) 
        {
            body = Blob.valueOf(e.getMessage());
        }
        
        attach.Body = body;
        attach.Name = pdfName;
        attach.IsPrivate = false;
        attach.ParentId = Event.Id;
        attach.Description = 'Created by ' + UserInfo.getName();
        
        insert attach;

        return new PageReference('/'+ Event.Id);
    }