Capture Screenshot (Snapshot) Image of Website periodically every 5 minutes in ASP.Net using C# and VB.Net

Here I have used ASP.Net Ajax Timer control to Save the Image after each 5 minutes.

Please refer this code.

Ref:

Capture Screenshot (Snapshot) Image of Website (Web Page) in ASP.Net using C# and VB.Net

HTML

<asp:ScriptManager runat="server" />
<asp:Timer ID="Timer1" runat="server" OnTick="OnTick" Interval="10000" Enabled="false"> 
</asp:Timer>
<asp:TextBox ID="txtUrl" runat="server" Text="" />
<asp:Button ID="btnCapture" Text="Capture" runat="server" OnClick="Capture" />
<br />
<asp:Image ID="imgScreenShot" runat="server" Height="500" Width="700" Visible="false" />

Namespaces

using System.IO;
using System.Drawing;
using System.Threading;
using System.Windows.Forms;
using System.Configuration;
using System.Data.SqlClient;
using System.Data;

C#

protected void OnTick(object sender, EventArgs e)
{
    string url = txtUrl.Text.Trim();
    if (!string.IsNullOrEmpty(url))
    {
        Thread thread = new Thread(delegate()
        {
            using (WebBrowser browser = new WebBrowser())
            {
                browser.ScrollBarsEnabled = false;
                browser.AllowNavigation = true;
                browser.Navigate(url);
                browser.Width = 1024;
                browser.Height = 768;
                browser.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(DocumentCompleted);
                while (browser.ReadyState != WebBrowserReadyState.Complete)
                {
                    System.Windows.Forms.Application.DoEvents();
                }
            }
        });
        thread.SetApartmentState(ApartmentState.STA);
        thread.Start();
        thread.Join();
    }
}

public void Capture(object sender, EventArgs e)
{
    this.Timer1.Enabled = true;
}

private void DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
    WebBrowser browser = sender as WebBrowser;
    byte[] bytes;
    using (Bitmap bitmap = new Bitmap(browser.Width, browser.Height))
    {
        browser.DrawToBitmap(bitmap, new Rectangle(0, 0, browser.Width, browser.Height));
        using (MemoryStream stream = new MemoryStream())
        {
            bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
            bytes = stream.ToArray();
            imgScreenShot.Visible = true;
            imgScreenShot.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(bytes);
        }
    }
    string query = "INSERT INTO tblFiles(Name, ContentType, Data) VALUES (@Name, @ContentType, @Data)";
    string constr = ConfigurationManager.ConnectionStrings["conString"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand(query))
        {
            cmd.Parameters.Add("@Name", SqlDbType.VarChar).Value = txtUrl.Text.Split(':')[1].Replace("/", "");
            cmd.Parameters.Add("@ContentType", SqlDbType.VarChar).Value = "image/png";
            cmd.Parameters.Add("@Data", SqlDbType.Binary).Value = bytes;
            cmd.CommandType = CommandType.Text;
            cmd.Connection = con;
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
        }
    }
}

You can download the database table SQL by clicking the download link below.

 Download SQL file