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how to upload file in ASP.NET in C#


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  • 4 years later...

Try this code for file upload

View File

<!DOCTYPE html>  
<html>  
<head>  
    <title></title>  
</head>  
<body>  
    <form id="form1" runat="server">  
        <div>  
            <p>Upload File</p>  
            <asp:FileUpload ID="FileUpload" runat="server" />  
        </div>  
        <p>  
            <asp:Button ID="ButtonUpload" runat="server" Text="Upload File" OnClick="Button_Click" />  
        </p>  
    </form>  
    <p>  
        <asp:Label runat="server" ID="FileUploadStatus"></asp:Label>  
    </p>  
</body>  
</html>  

aspx.cs file

using System;  
using System.Collections.Generic;  
using System.Linq;  
using System.Web;  
using System.Web.UI;  
using System.Web.UI.WebControls;  
namespace FileUploadControlls  
{  
    public partial class WebControls : System.Web.UI.Page  
    {  
        protected System.Web.UI.HtmlControls.HtmlInputFile File1;  
        protected System.Web.UI.HtmlControls.HtmlInputButton Submit1;  
        protected void Page_Load(object sender, EventArgs e)  
        {  
        }  
        protected void Button1_Click(object sender, EventArgs e)  
        {  
            if ((FileUpload.PostedFile != null) && (FileUpload.PostedFile.ContentLength > 0))  
            {  
                string fn = System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName);  
                string SaveLocation = Server.MapPath("upload") + "\\" + fn;  
                try  
                {  
                    FileUpload.PostedFile.SaveAs(SaveLocation);  
                    FileUploadStatus.Text = "The file has been uploaded.";  
                }  
                catch (Exception ex)  
                {  
                    FileUploadStatus.Text = "Error: " + ex.Message;  
                }  
            }  
            else  
            {  
                FileUploadStatus.Text = "Please select a file to upload.";  
            }  
        }  
    }  
}

 

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