n tire Architecture

http://www.mindstick.com/Articles/d36ceb0f-018c-4979-b2f5-a4a1e616cb5b/?N-Tier%20Architecture%20in%20ASP.NET

how add connection string

</configSections>
    <appSettings>
        <add key="strLocalCon" value="Data Source=EASY-857AC062F0;Initial Catalog=aaa;Integrated Security=True"/>
    <add key="strLocalCon1" value="Data Source=EASY-857AC062F0;Initial Catalog=aa;Integrated Security=True"/>
    </appSettings>
    <connectionStrings>
        <add name="VeePurchases" connectionString="Data Source=EASY-857AC062F0;Initial Catalog=aa;Integrated Security=True"/>
    <add name="VeeSale" connectionString="Data Source=EASY-857AC062F0;Initial Catalog=aa;Integrated Security=True"/>
    </connectionStrings>

//
    SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["VeePurchases"].ToString());

how send sms using api

protected void btnSend_Click(object sender, EventArgs e)

    {

       

        HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://www.sitename.in/pushsms.php?UserName=abc&Password=xyz&Type=Individual&To=" + txtMobileNo.Text + "&Mask=S H A M &Message=" + txtMessage.Text) as HttpWebRequest;

        HttpWebResponse response = (HttpWebResponse)request.GetResponse();

        Stream receiveStream = response.GetResponseStream();

        Encoding encode = System.Text.Encoding.GetEncoding("utf-8");

        StreamReader readStream = new StreamReader(receiveStream, encode);

        string a = readStream.ReadToEnd().ToString();

        response.Close();

        readStream.Close();

    }

    #region characters as byte array

   

    public string UTF8ByteArrayToString(byte[] characters)

    {

        UTF8Encoding encoding = new UTF8Encoding();

        string constructedString = encoding.GetString(characters);

        return constructedString;

    }

    #endregion