How to Pass Request QueryString in INT Value to My Method

Hi all

 

I have one method GetAppraiser i want to pass int value which should come from RequestQueryString. Can you pls help me?  I want like something

Response.Write(GetAppraiser(request.queryString("RegionID"));

 

using System;
using System.Configuration;
using System.Data;

using System.Linq;

using System.Web;

using ...