Monday 8 April 2013

working FileUpload Example in ASP.NET using C#

working 

FileUpload Example in ASP.NET using C#


FileUpload.aspx (source code):


              <%@ Page Language="C#" AutoEventWireup="true" CodeFile="FileUpload.aspx.cs" Inherits="FileUpload" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
     <h2
                style="color:Green">FileUpload 
                in ASP.NET 4 , C#</h2>
                
                <asp:FileUpload
                ID="fileupload1"
                runat="server"
                />
                
                <br
                />
                
                <br
                />
                
                <asp:Button
                ID="button1"
                Text="Upload"
                runat="server"
                Width="73px"
                
                onclick="button1_Click"
                />
                
                <br
                />
                
                <br
                />
                
                <asp:Label
                ID="Label1"
                runat="server"
                Font-Bold="True"
                ForeColor="#000099"></asp:Label>
                </div>
    </div>
    </form>
</body>
</html>
 

FileUpload.aspx.cs (C# Code file):


              using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections.Generic;
using System.IO;//Please add this Namesape otherwise you get "Path " Error

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

    }
    protected void button1_Click(object sender, EventArgs e)
    {
        if
               (fileupload1.HasFile)
        {
            try
            {
                if
                (fileupload1.PostedFile.ContentType ==
                "image/jpeg")
                {
                    if
                    (fileupload1.PostedFile.ContentLength < 512000)
                    {
                       
                        string filename = Path.GetFileName(fileupload1.FileName);
                        fileupload1.SaveAs(Server.MapPath("~/") + filename);
                        Label1.Text = "File uploaded successfully!";
                    }
                    else

                        Label1.Text =
                        "File maximum size is 500 Kb";
                }
                else

                    Label1.Text =
                    "Only JPEG files are accepted!";
            }
            catch
            (Exception
            exc)
            {
                Label1.Text =
                "The file could not be uploaded. The following error occured: "

                + exc.Message;
            }
        }
    }
}
 

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