using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Google.GData.Contacts;
using Google.GData.Extensions;
using Google.GData.Client;
using Google.Contacts;
using System.Data.SqlClient;
using System.Data;

namespace GetDetailsOfGmail
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            DataSet ds = new DataSet();
            ds.Tables.Add("GmailContacts");
            ds.Tables[0].Columns.Add("EmailId");
            RequestSettings rs = new RequestSettings("myApp", txtUserName.Text,       txtPassword.Text);
            rs.AutoPaging = true;
            ContactsRequest cr = new ContactsRequest(rs);
            Feed<Contact> f = cr.GetContacts();
            foreach (Contact contact in f.Entries)
            {
                foreach (EMail email in contact.Emails)
                {
                    DataRow row = ds.Tables[0].NewRow();
                    row["EmailId"] = email.Address.ToString();
                    ds.Tables[0].Rows.Add(row);
                }
            }
            GridView1.DataSource = ds.Tables[0];
            GridView1.DataBind();
            lblStatus.Text = "Total Contacts For" + txtUserName.Text + " : " + ds.Tables[0].Rows.Count.ToString();
        }
    }
}