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Saturday, 10 September 2016

Dynamic Image Gallery Using jQuery in Asp.net C#

9/10/2016 - By Pranav Singh 0

This article will show you how you can create a dynamic image gallery in asp.net using jQuery data from SQL server table.


This article I have referred the below gallery.


Now we will create sql table for storing data. Which we will retrieve in code.

Now for this article first we will create a new asp.net application and add the below code into the page.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication3.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Dynamic Image Gallery Using jQuery in Asp.net c#</title>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
    <link rel="stylesheet" type="text/css" href="StyleSheet1.css" />
    <script type="text/javascript">
        jQuery(document).ready(function () {
            jQuery('.photo-thumbnails .thumbnail').click(function () {
                // Setting class "current" to the thumbnail that was clicked.
                jQuery('.photo-thumbnails .thumbnail').removeClass('current');
                jQuery(this).addClass('current');
                // Getting "src" attribute of the image that was clicked.
                var path = jQuery(this).find('img').attr('src');
                // Setting "src" attribute of the big image.
                jQuery('#big-photo img').attr('src', path);
            });

        }); 
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div class="gallery-photos clearfix">
        <div class="photo-thumbnails" runat="server" id="divGallery">
                      
        </div>
        <div id="big-photo" class="big-photo">
            <img src="images/1.jpg" alt="" />
        </div>
    </div>
    </form>
</body>
</html>

In above code I have added simply a jquery reference and make the photo-thumbnails runat server and provided id to it.

Now lets check the code.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.Text;
namespace WebApplication3
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            BindGallery();
        }
        public void BindGallery()
        {
            SqlConnection objcon = new SqlConnection("Data Source=VINAY-PP;Initial Catalog=DEMO;Integrated Security=True");
            DataTable objdt = new DataTable();
            string query = "select * from ImageGallery;";
            SqlDataAdapter objda = new SqlDataAdapter(query, objcon);
            objcon.Open();
            objda.Fill(objdt);
            objcon.Close();
            StringBuilder objstring = new StringBuilder();
            if (objdt.Rows.Count > 0)
            {
                for (int i = 0; i < objdt.Rows.Count; i++)
                {
                    string cssClass = i == 0 ? "thumbnail current" : "thumbnail";
                    objstring.Append("<div class='" + cssClass + "'>");
                    objstring.Append("<div class=\"thumbnail-inner\">");
                    objstring.Append("<img src='" + objdt.Rows[i]["ImagePath"].ToString() + "' alt=\"\" />");
                    objstring.Append(" </div>");
                    objstring.Append(" </div>");
                }
                divGallery.InnerHtml = objstring.ToString();
            }
        }
    }
}

In above code I have taken data from database and then prepare a string for gallery with the image path. After preparing the string I have bind it to the divgallery.

Now we have done to check the output.




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