Upload and Display Images using Path stored in database in GridView in ASP.Net using C#



HTML Mark Up:-

<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="btnUpload" runat="server" Text="Upload" OnClick = "Upload" >
<hr />
<asp:GridView ID="gvImages" runat="server" AutoGenerateColumns="false">
    <Columns>
        <asp:BoundField DataField="FileId" HeaderText="Image Id" />
        <asp:BoundField DataField="Name" HeaderText="Name" />
        <asp:ImageField DataImageUrlField="Path" HeaderText="Image" />
    </Columns>
</asp:GridView>
<div id="dialog" style="display: none">
</div>

C# Code:-


using System.IO;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;




protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
        using (SqlConnection conn = new SqlConnection(constr))
        {
            using (SqlDataAdapter sda = new SqlDataAdapter("SELECT * FROM Files", conn))
            {
                DataTable dt = new DataTable();
                sda.Fill(dt);
                gvImages.DataSource = dt;
                gvImages.DataBind();
            }
        }
    }
}





protected void Upload(object sender, EventArgs e)
{
    //Extract Image File Name.
    string fileName = Path.GetFileName(FileUpload1.PostedFile.FileName);
    //Set the Image File Path.
    string filePath = "~/Uploads/" + fileName;
    //Save the Image File in Folder.
    FileUpload1.PostedFile.SaveAs(Server.MapPath(filePath));
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection conn = new SqlConnection(constr))
    {
        string sql = "INSERT INTO Files VALUES(@Name, @Path)";
        using (SqlCommand cmd = new SqlCommand(sql, conn))
        {
            cmd.Parameters.AddWithValue("@Name", fileName);
            cmd.Parameters.AddWithValue("@Path", filePath);
            conn.Open();
            cmd.ExecuteNonQuery();
            conn.Close();
        }
    }
    Response.Redirect(Request.Url.AbsoluteUri);
}





<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.24/themes/start/jquery-ui.css" />
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.24/jquery-ui.min.js"></script>
<script type="text/javascript">
    $(function () {
        $("#dialog").dialog({
            autoOpen: false,
            modal: true,
            height: 600,
            width: 600,
            title: "Zoomed Image"
        });
        $("[id*=gvImages] img").click(function () {
            $('#dialog').html('');
            $('#dialog').append($(this).clone());
            $('#dialog').dialog('open');
        });
    });
</script>

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