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;

public partial class example1004_upload : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
	
	//private string uploadDirectory = @"E:\";
	
	protected void cmdUpload_Click(object sender, EventArgs e)
    {
		string SaveLocation = Server.MapPath("uploaded_images");
		
		// Check that a file is actually being submitted.
        if (FileInput.PostedFile.FileName == "")		//FileInput is the asp:FileUpload tag
        {
            lblInfo.Text = "No file specified.";	//lblInfo is the asp:Label tag
        }
        else
        {
			// Check the extension.
            string extension = Path.GetExtension(FileInput.PostedFile.FileName);
			
			switch (extension.ToLower())
            {
                case ".bmp":
                case ".gif":
                case ".jpg":
                case ".pdf":
                case ".tif":
                    break;
                default:
                    lblInfo.Text = "This file type is not allowed.";
                    return;
            }
			
			//you may need the date and time for file naming purposes
			DateTime myDate = DateTime.Now;
			Response.Write (myDate.ToString()+"<br>");
			
			string myYear = myDate.Year.ToString();
			Response.Write(myYear+"<br>");
			string myMonth = myDate.Month.ToString();
			Response.Write(myMonth+"<br>");
			string myDay = myDate.Day.ToString();
			Response.Write(myDay+"<br>");
			string myHour = myDate.Hour.ToString();
			Response.Write(myHour+"<br>");
			string myMinute = myDate.Minute.ToString();
			Response.Write(myMinute+"<br>");
			string mySecond = myDate.Second.ToString();
			Response.Write(mySecond+"<br>");
			string myMillisecond = myDate.Millisecond.ToString();
			Response.Write(myMillisecond+"<br>");
			

			//get original file name
			string serverFileName = Path.GetFileName(
              FileInput.PostedFile.FileName);
			  
			//find path to move file to
            //string fullUploadPath = Path.Combine(uploadDirectory, serverFileName);		//uploadDirectory declared above
			string fullUploadPath = SaveLocation + "\\" + serverFileName;		
			try
           	{
           		// This overwrites any existing file with the same name.
           		// Use File.Exists() to check first if this is a concern.
                FileInput.PostedFile.SaveAs(fullUploadPath);

                lblInfo.Text = "File " + serverFileName;
                lblInfo.Text += " uploaded successfully";
              // lblInfo.Text += " to "+fullUploadPath;
			  
			  	File.Delete(fullUploadPath);  
				//delete the uploaded file, for server space issue
            }
            catch (Exception err)
            {
                lblInfo.Text = err.Message;
            }
		
		}
       
    }


}