FileUpload Control : FileUpload « Asp Control « ASP.Net






  1. ASP.Net
  2. Asp Control
  3. FileUpload

FileUpload Control


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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>FileUpload Control</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h1>FileUpload Control</h1>
     <asp:FileUpload ID="FileUpload1" runat="server" />
     <br />
     <asp:Button ID="btnSave" runat="server" Text="Save" OnClick="btnSave_Click" />
     <asp:Button ID="btnDisplay" runat="server" Text="Display" OnClick="btnDisplay_Click" />
     <br />
     <br />
     <asp:Label ID="lblMessage" runat="server" />
     <asp:Label ID="lblDisplay" runat="server" />
    </div>
    </form>
</body>
</html>

File: Default.aspx.cs

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 Default_aspx : System.Web.UI.Page 
{
  protected void btnSave_Click(object sender, EventArgs e){
     string str = "";
     if (FileUpload1.HasFile) {
       try {
         str += "Uploading file: " + FileUpload1.FileName;
         FileUpload1.SaveAs("c:\\" + FileUpload1.FileName);
         str += "<br/>Saved As: " + FileUpload1.PostedFile.FileName;
         str += "<br/>File Type: " + FileUpload1.PostedFile.ContentType;
         str += "<br/>File Length (bytes): " + FileUpload1.PostedFile.ContentLength;
         str += "<br/>PostedFile File Name: " + FileUpload1.PostedFile.FileName;
       } catch (Exception ex) {
         str += "<br/><b>Error</b><br/>Unable to save c:\\" + FileUpload1.FileName + "<br/>" + ex.Message;
       }
     } else {
       str = "No file uploaded.";
     }
     lblMessage.Text = str;
     lblDisplay.Text = "";
   }

  protected void btnDisplay_Click(object sender, EventArgs e)
  {
    string str = "<u>File:  " + FileUpload1.FileName + "</u><br/>";  
    if (FileUpload1.HasFile)
    {
      try
      {
        Stream stream = FileUpload1.FileContent;
        StreamReader reader = new StreamReader(stream);
        string strLine = "";
        do
        {
          strLine = reader.ReadLine();
          str += strLine;
        } while (strLine != null);
      }
      catch (Exception ex)
      {
        str += "<br/><b>Error</b><br/>Unable to display " + FileUpload1.FileName + "<br/>" + ex.Message;
      }
    }
    else
    {
      str = "No file uploaded.";
    }
    lblDisplay.Text = str;
    lblMessage.Text = "";

  }
}








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