File upload in ASP.NET C# Using Dropzone JQuery and JavaScript
Asp.net Image uploading drag and drop with in the DropZone Multiple file Uploading Using JQuery and Javascript without user action.
DEMO
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HTML CODING
Next - Drop zone <div> below like Showing and add username
Asp.net Image uploading drag and drop with in the DropZone Multiple file Uploading Using JQuery and Javascript without user action.
DEMO
DOWNLOAD
HTML CODING
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ImageUpload.aspx.cs" Inherits="ImageUpload" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="DropzoneJs_scripts/jquery.min.js"></script>
<script src="DropzoneJs_scripts/dropzone.js"></script>
<link href="DropzoneJs_scripts/dropzone.css" rel="stylesheet" />
<script type="text/javascript">
$(document).ready(function () {
Dropzone.autoDiscover = false;
var username = $('#<%=lbtUsername.ClientID %>').text().toString();
$("#dZUpload").dropzone({
url: "Uploader.ashx?username=" + username.toString(),
maxFiles: 5,
addRemoveLinks: true,
success: function (file, response) {
var imgName = response;
file.previewElement.classList.add("dz-success");
console.log("Successfully uploaded :" + imgName);
},
error: function (file, response) {
file.previewElement.classList.add("dz-error");
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div align="center">
<asp:LinkButton ID="lbtUsername" runat="server" Font-Names="Verdana" Text="Dotnetdrizzles@gmail.com" Font-Size="Large" Font-Underline="True" ForeColor="#FF0066"></asp:LinkButton>
<div id="dZUpload" style="width:500px; margin:0 auto;" class="dropzone" >
<div class="dz-default dz-message">
Drag & Drop Images [5] here.
<br />
</div>
</div>
</div>
</form>
</body>
</html>
CREATE TABLE [dbo].[imagereg] (
[Id]
INT IDENTITY (1, 1) NOT NULL,
[imgname]
VARCHAR (50) NOT NULL,
[imgpath]
NVARCHAR (50) NOT NULL,
[username]
VARCHAR (50) NOT NULL,
[imgheight] VARCHAR
(50) NOT NULL,
[imgwidth]
VARCHAR (50) NOT NULL,
[imgsize]
VARCHAR (50) NOT NULL,
[date1]
VARCHAR (50) NOT NULL,
[month1]
VARCHAR (50) NOT NULL,
PRIMARY KEY CLUSTERED ([Id] ASC)
);
Uploader.ashx
<%@ WebHandler Language="C#" Class="Uploader" %>
using System;
using System.Web;
using System.IO;
using System.Web.Script.Serialization;
using System.Collections.Generic;
using System.Linq;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Data;
using System.Data.SqlClient;
public class Uploader : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
try
{
context.Response.ContentType = "text/plain";
string id = context.Request.QueryString["username"].ToString();
string username =
id.Substring(0, id.IndexOf("@"));
if (context.Request.QueryString["username"].ToString()
!= "")
{
string dirFullPath = HttpContext.Current.Server.MapPath("~/IMAGES/");
string[] files;
int numFiles;
string str_image = "";
if ((context.Request.QueryString["username"].ToString()
!= ""))
{
HttpFileCollection fil = context.Request.Files;
for (int s = 0; s < fil.Count; s++)
{
HttpPostedFile file =
context.Request.Files[s];
string fileName =
file.FileName;
string fileExtension =
file.ContentType;
files = System.IO.Directory.GetFiles(dirFullPath);
numFiles = files.Length;
numFiles = numFiles + 1;
/////// Image Path Get ///////
fileExtension = Path.GetExtension(fileName);
str_image = username + "_" +
numFiles.ToString() + fileExtension;
/////// Image Path Get End ///////
string pathToSave = HttpContext.Current.Server.MapPath("~/IMAGES/") +
str_image;
file.SaveAs(pathToSave);
// img size ////
System.Drawing.Image img = System.Drawing.Image.FromStream(file.InputStream);
int height = img.Height;
int width = img.Width;
decimal size = Math.Round(((decimal)file.ContentLength
/ (decimal)1024),
2);
// image size end
//
SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["dbcon"].ToString());
con.Open();
DateTime dt = Convert.ToDateTime(DateTime.Now.ToShortDateString());
string month =
dt.Month.ToString() + "/" + dt.Year.ToString();
string date =
dt.Day.ToString() + "/" + dt.Month.ToString() + "/" + dt.Year.ToString();
SqlCommand cmd = new SqlCommand("insert into imagereg(imgname,username,imgpath,imgheight,imgwidth,imgsize,date1,month1)
values('" + str_image.ToString() + "','" +
id.ToString() + "','" + "~/IMAGES/" + str_image.ToString() + "','"+height.ToString()+"','"+width.ToString()+"','"+size.ToString()+"','"+date.ToString()+"','"+month.ToString()+"')", con);
cmd.ExecuteNonQuery();
context.Response.Write(str_image);
}
}
}
}
catch (Exception ex)
{
context.Response.Write("ERROR: "+ex.Message);
}
}
public bool IsReusable {
get {
return false;
}
}
}
First - Add New Webform and Add new Generic Handler.ashx
Next -add to Dropzone Js file to Folder than call the javascript file below like
Next - Username pass to the Uploader.ashx file using javascript and jquery
next - add allow file size to uploading max 5 (Required)
<div> tag add dropzone size and class
Next - add the namespaces & separate the username using substring
Next - retrive server path and increment the username(Imagename) from server folder and get image path and save to the server folder
Next - get image width and height and size insert to the Database
Image path to save the database below likes
Next all informations save to the database
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this article,how to remove path image folder ?
ReplyDeletethanks.
Great. It's working fine. But how to remove files from server? It´s possible an example. Thank you.
ReplyDeleteThanks for your informative articel .its very useful
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