Backup your SQL Server Database using ASP.NET

Description :
When User Clicks on Button, Directory is created on D drive if it is not exist else backup database is saved in that folder.

.cs 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;
using System.Data.SqlClient;
using System.Configuration;
using System.Windows.Forms;
using System.IO;

namespace Backup
{
    public partial class _Default : System.Web.UI.Page
    {
        string DbName = "CBS";
        SqlConnection conStr = new SqlConnection(ConfigurationManager.ConnectionStrings["CBSConnectionString"].ConnectionString);
        DataTable dt = new DataTable();
        protected void Page_Load(object sender, EventArgs e)
        {
        }

        protected void btnBackup_Click(object sender, EventArgs e)
        {
            string DestDir = "D:\\Backupdb";
            if (!System.IO.Directory.Exists(DestDir))
            {
                System.IO.Directory.CreateDirectory("D:\\Backupdb");
                MessageBox.Show("Directory is Created.");
            }
            try
            {
                conStr.Open();
                string cmdStr = "BACKUP DATABASE CBS TO DISK='"+DestDir+"\\"+DateTime.Now.ToString("ddMMyyyy_HHmmss")+".Bak'";
                SqlCommand cmd = new SqlCommand(cmdStr,conStr);
                cmd.ExecuteNonQuery();
                MessageBox.Show("Backup is done successfully..");
            }
            catch(SqlException exc)
            {
                MessageBox.Show(exc.Message);
            }
            finally
            {
                conStr.Close();
            }
        }
    }
}

ASPX Code :

<p>Click to Backup your database :</p>
    <asp:Button ID="btnBackup" runat="server" onclick="btnBackup_Click"
        Text="Backup" />

Screen Shot: