Send email when a new comment is add

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.Configuration;
using System.IO;
public partial class VisBlognyhed : System.Web.UI.Page
{
    private int kommentar_ID = 1;
    private int indlaeg_ID = 1;
    private int myindent = 0;
    protected void Page_Load(object sender, EventArgs e)
    {
        recaptcha.Validate();
        if (Request.QueryString["indlaeg_ID"] != null)
        {
            int q = Convert.ToInt32(Request.QueryString["indlaeg_ID"]);
            //hentProdukt(q);
        }

    }
    protected void DataList1_ItemDataBound(object sender, DataListItemEventArgs e)
    {

        Image img = e.Item.FindControl("imgBlog") as Image;
        if (img is Image)
        {

            img.Visible = (img.ImageUrl != "");  // will set image visible to false if ImageUrl is empty string
        }
       

    }
//   
    protected void Button_kommentar_Click(object sender, EventArgs e)
    {
        int mParentId = kommentar_ID;
        int mArticleId = indlaeg_ID;

        string mUserName = "quartz";
        string mUserDato = "quartz@msn.com";
        string mDescription = "Test Description";
        int mIndent = myindent;
        

        if (Page.IsValid)
        {
            mUserName = TextBox_navn.Text;
            mUserDato = TextBox_dato.Text;
            mDescription = TextBox_kommentar.Text;
            


            Label_kommentar.Text = "Korrekt";
            Label_kommentar.ForeColor = System.Drawing.Color.Green;
            SqlConnection conn = new SqlConnection();
            conn.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ToString();

            SqlCommand cmd = new SqlCommand();
            cmd.Connection = conn;
            cmd.CommandText = "INSERT INTO kommentar (dato, navn, kommentar, fk_indlaeg_ID) VALUES(@dato, @navn, @kommentar, @indlaeg)";
            cmd.Parameters.Add("@dato", SqlDbType.DateTime).Value = TextBox_dato.Text;
            cmd.Parameters.Add("@navn", SqlDbType.VarChar).Value = TextBox_navn.Text;
            cmd.Parameters.Add("@kommentar", SqlDbType.Text).Value = TextBox_kommentar.Text;
            cmd.Parameters.Add("@indlaeg", SqlDbType.Int).Value = Request.QueryString["indlaeg_ID"];
            
cmd.CommandText = "INSERT INTO kommentar (dato, navn, kommentar, fk_indlaeg_ID) VALUES('" +mParentId + "','" + mArticleId +  "','" + mUserName +  "','" + mUserDato +  "','" + mDescription + "','" + "')";

            




            conn.Open();
            cmd.ExecuteNonQuery();
            conn.Close();

            TextBox_dato.Text = "";
            TextBox_navn.Text = "";
            TextBox_kommentar.Text = "";


            Label_kommentar.Text = "Din kommentar er modtaget.";


        }
        else
        {
            Label_kommentar.Text = "Du skal indtaste Captcha eller du har indtastet forkert";
            Label_kommentar.ForeColor = System.Drawing.Color.Red;
        }



            

        
    }
}

using System;
using System.Web.Mail;
namespace JumpyForum
{
/// <summary>
/// Summary description for clsMail
/// </summary>
public class clsMail
{
	public bool SendMail(string ToM, string FromM, string CcM, string MSubject, string MBody ) // Opens database connection with Granth in SQL SERVER
		{
			try
			{
				MailMessage objMM = new MailMessage();
				//'Set the properties
				objMM.To = ToM;//"razesh@hotmail.com";
				objMM.From = FromM;//"connectrajesh@hotmail.com";

				//'If you want to CC this email to someone else...
				objMM.Cc = CcM;//"flytorajesh@someaddress.com";

				//'If you want to BCC this email to someone else...
				//objMM.Bcc = "studyrajesh@hotmail.com";

				//'Send the email in text format
				objMM.BodyFormat = MailFormat.Html ;

				//'(to send HTML format, change MailFormat.Text to MailFormat.Html)

				//'Set the priority - options are High, Low, and Normal

				objMM.Priority = MailPriority.Normal;

				//'Set the subject
				objMM.Subject = MSubject;//"Hello there testing!";

				//'Set the body - use VbCrLf to insert a carriage return
				objMM.Body = MBody;//"Hi! How are you doing?";
				SmtpMail.SmtpServer = "localhost"; 
				SmtpMail.Send(objMM);

				return true;
			}
			catch
			{
				return false;
			}
			finally
			{
				
			}

		}
	}
}