File Upload Demo (C#) : File Upload « Components « ASP.Net

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ASP.Net » Components » File Upload 
File Upload Demo (C#)

<%@ Page language="c#" src="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="UploadFile.WebForm1" %>
<HTML>
  <body>
    <form id="Form1" enctype="multipart/form-data" method="post" runat="server">
      <INPUT id="FileInput" style="Z-INDEX: 101; LEFT: 32px; WIDTH: 552px; POSITION: absolute; TOP: 24px; HEIGHT: 24px" type="file" size="72" name="File1" runat="server">
      <asp:button id="cmdUpload" style="Z-INDEX: 102; LEFT: 32px; POSITION: absolute; TOP: 72px" runat="server" Text="Upload"></asp:button>
      <asp:Label id="lblInfo" style="Z-INDEX: 103; LEFT: 32px; POSITION: absolute; TOP: 128px" runat="server" Width="608px" Height="72px" Font-Names="Verdana" Font-Size="Medium" Font-Bold="True"></asp:Label></form>
  </body>
</HTML>


<%--
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.IO;

namespace UploadFile
{
  /// <summary>
  /// Summary description for WebForm1.
  /// </summary>
  public class WebForm1 : System.Web.UI.Page
  {
    protected System.Web.UI.WebControls.Button cmdUpload;
    protected System.Web.UI.WebControls.Label lblInfo;
    protected System.Web.UI.HtmlControls.HtmlInputFile FileInput;
  
    private void Page_Load(object sender, System.EventArgs e)
    {
      // Only accept image types.
      FileInput.Accept = "image/*";
    }

    #region Web Form Designer generated code
    override protected void OnInit(EventArgs e)
    {
      //
      // CODEGEN: This call is required by the ASP.NET Web Form Designer.
      //
      InitializeComponent();
      base.OnInit(e);
    }
    
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {    
      this.cmdUpload.Click += new System.EventHandler(this.cmdUpload_Click);
      this.Load += new System.EventHandler(this.Page_Load);

    }
    #endregion

    private void cmdUpload_Click(object sender, System.EventArgs e)
    {
            if (FileInput.PostedFile.FileName == "")
            {
                lblInfo.Text = "No file specified.";
            }
            else
            {
                try
                {
                    string serverFileName = Path.GetFileName(FileInput.PostedFile.FileName);
                    //FileInput.PostedFile.SaveAs(@"c:\" + serverFileName);
                    FileInput.PostedFile.SaveAs(MapPath("."+ serverFileName);
                    lblInfo.Text = "File " + serverFileName;
                    lblInfo.Text += " uploaded successfully.";
                }
                catch (Exception err)
                {
                    lblInfo.Text = err.Message;
                }
            }

    }
  }
}

--%>
           
       
Related examples in the same category
1. Upload File control (C#)
2. Uploading Files with the HTML Input File Control (VB.net)
3. File Uploading in ASP.NET (VB.net)
4. Upload file to the server (VB.net)
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