How to Upload a File using ASP.Net C# Archives - Tech Insights https://reactconf.org/category/how-to-upload-a-file-using-asp-net-c/ Unveiling Tomorrow's Tech Today, Where Innovation Meets Insight Sat, 24 Jan 2015 16:38:00 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.2 https://i0.wp.com/reactconf.org/wp-content/uploads/2023/11/cropped-reactconf.png?fit=32%2C32&ssl=1 How to Upload a File using ASP.Net C# Archives - Tech Insights https://reactconf.org/category/how-to-upload-a-file-using-asp-net-c/ 32 32 230003556 How to Upload a File using ASP.Net C# https://reactconf.org/how-to-upload-file-using-aspnet-c/ https://reactconf.org/how-to-upload-file-using-aspnet-c/#respond Sat, 24 Jan 2015 16:38:00 +0000 https://reactconf.org/how-to-upload-file-using-aspnet-c/ In this article, I will explain how to upload a file to a web server using asp.net C#. Uploading a file, and save it to a web server through a …

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In this article, I will explain how to upload a file to a web server using asp.net C#.

Uploading a file, and save it to a web server through a file upload control with checking file format like jpg, png, gif.


Open visual studio, create a new website, and drag and drop a file upload control, a command button and double click on button paste c# code.
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
    <title></title>
</head>
<body>
    <form id=”form1″ runat=”server”>
    <div>
   
        <asp:FileUpload ID=”FileUpload1″runat=”server”/>
        <br/>
        <asp:Button ID=”Button1″runat=”server”onclick=”Button1_Click”Text=”Upload”/>
        <asp:Label ID=”Label1″ runat=”server”></asp:Label>
   
    </div>
    </form>
</body>
</html>
// C# Source Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partialclass _Default: System.Web.UI.Page
{
    protected voidPage_Load(object sender, EventArgs e)
    {
    }
    protected voidButton1_Click(object sender, EventArgs e)
    {
        string[] FileFormat = { “.jpg”, “.gif”, “.png” };
         string FileExt =System.IO.Path.GetExtension(FileUpload1.FileName);
       
       // HasFile check to make sure a file selected or not
       
        if (FileUpload1.HasFile)
        {
        // checking file extesion
            if(FileFormat.Contains(FileExt))
            {
// save the file to  server path
       FileUpload1.SaveAs(Server.MapPath(“~/images/” + FileUpload1.FileName));
                Label1.Text =“File Uploaded Successfully”;
            }
            else
            {
                Label1.Text =“Invalid File Format”;
            }
        }
    }
}


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