how to write code for a method have to be display the url path address i.e serverpath in Fileupload in ASP.NET

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Collections;

/// <summary>
/// Summary description for fileFolderRelated
/// </summary>
///
namespace _________________
{
    public partial class FileHandler
    {

        /// <summary>
        /// File can be uploaded to folder through this function
        /// </summary>
        /// <param name="BrowerControl">FileInput Type control</param>
        /// <param name="SaveLocation">The path of the file to upload to folder</param>
        /// <returns>It will return the file name that has already uploaded</returns>

        public string InsertFileToFolder(System.Web.UI.WebControls.FileUpload BrowserControl,string SaveLocation)
        {
            string ImageFileName="";
            string ImageSaveLocation="";
            int status=0;

            if (BrowserControl.PostedFile.ContentLength != 0)
            {
                ImageFileName = System.IO.Path.GetFileName(BrowserControl.PostedFile.FileName.ToString());
                ImageSaveLocation=HttpContext.Current.Server.MapPath(SaveLocation) + "\\" + ImageFileName;

                if (!System.IO.File.Exists(ImageSaveLocation))
                {
                    BrowserControl.PostedFile.SaveAs(ImageSaveLocation);
                }
                else
                {
                    System.IO.File.Delete(ImageSaveLocation);
                    BrowserControl.PostedFile.SaveAs(ImageSaveLocation);
                }
            }

            return ImageFileName;
        }

        public string InsertFileToFolderWithNewName(System.Web.UI.WebControls.FileUpload BrowserControl, string SaveLocation, string ImageFileName)
        {
            //string ImageFileName = "";
            string ImageSaveLocation = "";
            int status = 0;

            if (BrowserControl.PostedFile.ContentLength != 0)
            {
                ImageFileName = ImageFileName + "_" + System.IO.Path.GetFileName(BrowserControl.PostedFile.FileName.ToString());
                ImageSaveLocation = HttpContext.Current.Server.MapPath(SaveLocation) + "\\" + ImageFileName;

                if (!System.IO.File.Exists(ImageSaveLocation))
                {
                    BrowserControl.PostedFile.SaveAs(ImageSaveLocation);
                }
                else
                {
                    System.IO.File.Delete(ImageSaveLocation);
                    BrowserControl.PostedFile.SaveAs(ImageSaveLocation);
                }
            }

            return ImageFileName;
        }

        /// <summary>
        /// creates a folder in server
        /// </summary>
        /// <param name="folderPath">path of the folder where the new folder will be created</param>
        /// <param name="folderName">name of the folder that will be created</param>
        public void createFolder(string folderPath, string folderName)
        {
            if(folderPath == "")
            {
                DirectoryInfo dInfo = new DirectoryInfo(HttpContext.Current.Server.MapPath(folderName));
                dInfo.Create();
            }
            else
            {
                DirectoryInfo dInfo = new DirectoryInfo(HttpContext.Current.Server.MapPath(folderPath) + "\\" + folderName);
                dInfo.Create();
            }
        }


        /// <summary>
        /// get all files in a folder
        /// </summary>
        /// <param name="folderPath">full path of a folder</param>
        /// <returns></returns>
        public Array selectAllFilesFromFolder(string folderPath)
        {
            string[] allFiles = Directory.GetFiles(folderPath);
            return allFiles;
        }

        /// <summary>
        /// count files in a folder
        /// </summary>
        /// <param name="folderPath">full path of a folder</param>
        /// <returns></returns>
        public int countFilesInFolder(string folderPath)
        {
            string[] allFiles = Directory.GetFiles(folderPath);
            int count = allFiles.Length;

            return count;
        }
    }
}