File Upload Web Service

This is a File Upload Web Service that can be a wrapper for a process in between.
Source code is an adaptation of this Microsoft article: HOW TO: Send and Receive Binary Documents by Using an ASP.NET Web Service and Visual C# .NET

Upload Client

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace UploadClient
{
    public partial class Form1 : Form
    {
        public static string sFile = "";

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, System.EventArgs e)
        {
            FileStream objfilestream = new FileStream(sFile, FileMode.Open, FileAccess.Read);
            int len = (int)objfilestream.Length;
            Byte[] mybytearray = new Byte[len];
            objfilestream.Read(mybytearray, 0, len);
            localhost.Service1 myservice = new localhost.Service1();

           myservice.SaveDocument(mybytearray, sFile.Remove(0, sFile.LastIndexOf("")));
            objfilestream.Close();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            MemoryStream objstreaminput = new MemoryStream();
            FileStream objfilestream = new FileStream(sFile.Insert(sFile.LastIndexOf("."), "_processed"), FileMode.Create, FileAccess.ReadWrite);

            sFile = sFile.Replace(@"\", @"");

			//MessageBox.Show(sFile.Replace(@"", @"") + Environment.NewLine + sFile.Remove(0, sFile.LastIndexOf("") + 1));

            localhost.Service1 myservice = new localhost.Service1();
            int len = myservice.GetDocumentLen(sFile.Remove(0, sFile.LastIndexOf("") + 1));
            Byte[] mybytearray = new Byte[len];
            mybytearray = myservice.GetDocument(sFile.Remove(0, sFile.LastIndexOf("") + 1));
            objfilestream.Write(mybytearray, 0, len);
            objfilestream.Close();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            // Browse for file to parse

            OpenFileDialog openFileDialog1 = new OpenFileDialog();

            openFileDialog1.InitialDirectory = "c:";
            openFileDialog1.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
            openFileDialog1.FilterIndex = 0;
            openFileDialog1.RestoreDirectory = true;

            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                // Put filename and path in textbox1
                sFile = openFileDialog1.FileName.Replace(@"",@"");
                txtInputFile.Text = sFile;
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}

using System;
using System.IO;
using System.Collections.Generic;
using System.Web;
using System.Web.Services;

namespace FileTransferWebService
{
	/// <summary>
	/// Summary description for Service1
	/// </summary>
	[WebService(Namespace = "http://tempuri.org/")]
	[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
	[System.ComponentModel.ToolboxItem(false)]
	public class Service1 : System.Web.Services.WebService
	{

		[WebMethod]
		public string HelloWorld()
		{
			return "Hello World";
		}

        [WebMethod]
        public bool SaveDocument(Byte[] docbinaryarray, string docname)
        {
            string strdocPath;
            strdocPath = "c:temp" + docname;
            FileStream objfilestream = new FileStream(strdocPath, FileMode.Create, FileAccess.ReadWrite);
            objfilestream.Write(docbinaryarray, 0, docbinaryarray.Length);
            objfilestream.Close();

            return true;
        }

        [WebMethod]
		public int GetDocumentLen(string docname)
        {
            string strdocPath;
			strdocPath = "c:temp" + docname;

            FileStream objfilestream = new FileStream(strdocPath, FileMode.Open, FileAccess.Read);
            int len = (int)objfilestream.Length;
            objfilestream.Close();

            return len;
        }


        [WebMethod]
		public Byte[] GetDocument(string docname)
        {
            string strdocPath;
			strdocPath = "c:temp" + docname;

            FileStream objfilestream = new FileStream(strdocPath, FileMode.Open, FileAccess.Read);
            int len = (int)objfilestream.Length;
            Byte[] documentcontents = new Byte[len];
            objfilestream.Read(documentcontents, 0, len);
            objfilestream.Close();

            return documentcontents;
        }

	}
}