SendMailFromTemplateController

public class SendMailFromTemplateController{

    public List<EMailTemplate> templateList{get;set;}
    
    public SendMailFromTemplateController(ApexPages.StandardController standardController){
        templateList = [SELECT Name,ID FROM EMailTemplate LIMIT 200];
    }
    
    @RemoteAction
    public static String getContents(String templateId){
        EMailTemplate template = [SELECT HtmlValue,Body FROM EMailTemplate WHERE id = :templateId Limit 1].get(0);
		return template.Body;

        String result;
        if(template.HtmlValue != null){
        	result = template.htmlValue.unescapeHtml4();
        }else{
        	result = template.Body;
        }
        
    	return result;
    }
    @RemoteAction
    public static String getSubject(String templateId){
        EMailTemplate template = [SELECT Subject FROM EMailTemplate WHERE id = :templateId Limit 1].get(0);
        
    	return template.Subject;
    }    

    @RemoteAction
    public static void sendEmail(String subject,String body,string address){
		Messaging.reserveSingleEmailCapacity(2);
		Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
		String[] toAddresses = new String[] {address}; 
		mail.setToAddresses(toAddresses);
		mail.setReplyTo('noreply@salesforce.com');
		mail.setSenderDisplayName('Salesforce Support');
		mail.setSubject(subject);
		mail.setBccSender(false);
		mail.setUseSignature(false);
		mail.setPlainTextBody(body);
		Messaging.sendEmail(new Messaging.SingleEmailMessage[] { mail });        
    }
    

}