Monitor your Web Services usage via .NET SOAP Extensions

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace WSDM_WebServices
{
	/// <summary>
	/// Summary description for Subscribe.
	/// </summary>
	public class Subscribe : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button btnSubscribe;


		private string connectionString;
		private string subscriptionMode;	// Trial/Full
		private string subscriptionPackage; // Standard/Premium/Promo
		protected System.Web.UI.WebControls.DropDownList ServiceName;
		protected System.Web.UI.WebControls.TextBox RegistrationKey;
		protected System.Web.UI.WebControls.RadioButtonList rbSubscriptionMode;
		protected System.Web.UI.WebControls.RadioButtonList rbSubscripPackage;
		protected System.Web.UI.WebControls.TextBox txtSubscriptParam;
		protected System.Web.UI.WebControls.Label lblSubscriptParam;
		protected System.Web.UI.WebControls.Label Msg;
		protected System.Web.UI.WebControls.RequiredFieldValidator Requiredfieldvalidator2; // Standard/Premium/Promo
		private int subscriptionParam;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			connectionString = System.Configuration.ConfigurationSettings.AppSettings.Get("ConnectionString"); 
			string sql = "SELECT * FROM WSDM_Services";

			SqlConnection conn = new SqlConnection( connectionString );
			SqlCommand command = new SqlCommand( sql, conn );
			
			if (!IsPostBack)
			{
				conn.Open();
				SqlDataReader reader = command.ExecuteReader();
				this.ServiceName.DataTextField = "ServiceName";
				this.ServiceName.DataValueField = "ServiceName";
				this.ServiceName.DataSource = reader;
				this.ServiceName.DataBind();
				conn.Close();

				// Full version as default subscription mode
				rbSubscriptionMode.SelectedIndex = 1;

				// prepaid as default package 
				rbSubscripPackage.SelectedIndex = 0;
			}
			UpdateUIElementsAndVariables();
			
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.btnSubscribe.Click += new System.EventHandler(this.btnSubscribe_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnSubscribe_Click(object sender, System.EventArgs e)
		{
			try
			{
				DBManager db = new DBManager(connectionString);
				
				if ( txtSubscriptParam.Text == "" || rbSubscriptionMode.SelectedIndex == 0)
					subscriptionParam = -1;
				else
					subscriptionParam = Convert.ToInt32(txtSubscriptParam.Text);

				int x = db.SubscribeUser(RegistrationKey.Text, ServiceName.SelectedItem.Text, subscriptionMode,
							subscriptionPackage, subscriptionParam);
			}
			catch( SqlException exp)
			{
				Msg.Text = exp.Message;

			}
			catch(Exception exp)
			{
				Msg.Text = exp.Message;
			}
		}

		private void SubscriptionMode_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			
			UpdateUIElementsAndVariables();
		}

		private void rbSubscripPackage_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			UpdateUIElementsAndVariables();
		}

		private void UpdateUIElementsAndVariables()
		{
			if ( rbSubscriptionMode.SelectedIndex == 0 )
			{
				subscriptionMode = "Trial";
				subscriptionPackage = "None";
				txtSubscriptParam.Enabled = false;
				rbSubscripPackage.Enabled = false;
			}
			else
			{
				subscriptionMode = "Full";
				txtSubscriptParam.Enabled = true;
				rbSubscripPackage.Enabled = true;
				switch (rbSubscripPackage.SelectedIndex)
				{
					case 0:
						subscriptionPackage = "Standard";
						lblSubscriptParam.Text = "Number of calls";
						break;
					case 1:
						subscriptionPackage = "Premium";
						lblSubscriptParam.Text = "Number of days";
						break;
					case 2:
						subscriptionPackage = "Promo";
						lblSubscriptParam.Text = "Number of calls";
						break;
				}

			}
		}

	}
}