Implementing Model-View-Presenter in ASP.NET

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace SubSonic.Sugar {
    public static class Files {

        public static string GetFileText(string absolutePath) {
            //Read from file
            StreamReader sr;
            sr = new StreamReader(absolutePath);

            string strOut = sr.ReadToEnd();
            sr.Close();
            return strOut;
        }


        /// <summary>
        /// Creates or opens a file for writing and writes to it
        /// </summary>
        /// <param name="AbsoluteFilePath"></param>
        /// <param name="fileText"></param>
        public static void CreateToFile(string AbsoluteFilePath, string fileText) {
            StreamWriter sw = File.CreateText(AbsoluteFilePath);
            sw.Write(fileText);
            sw.Close();
        }

        /// <summary>
        /// Updates the text in a file with the passed in values
        /// </summary>
        /// <param name="AbsoluteFilePath"></param>
        /// <param name="LookFor"></param>
        /// <param name="ReplaceWith"></param>
        public static void UpdateFileText(string AbsoluteFilePath, string LookFor, string ReplaceWith) {
            string sIn = GetFileText(AbsoluteFilePath);
            string sOut = sIn.Replace(LookFor, ReplaceWith);
            WriteToFile(AbsoluteFilePath, sOut);
        }
        /// <summary>
        /// Writes out a file
        /// </summary>
        /// <param name="AbsoluteFilePath"></param>
        /// <param name="fileText"></param>
        public static void WriteToFile(string AbsoluteFilePath, string fileText) {
            StreamWriter sw = new StreamWriter(AbsoluteFilePath, false);
            sw.Write(fileText);
            sw.Close();

        }

    
    }
}