public ActionResult UploadFiles(int? id)
       {
           CI cI = db.Database.Find(id);
           foreach (string upload in Request.Files)
           {

               if (Request.Files[upload].FileName != "")

               {
                   string path = Server.MapPath("~/App_Data/uploads/" + id + "/");
                   string filename = Path.GetFileName(Request.Files[upload].FileName);
                   Response.Write(path);

                   Request.Files[upload].SaveAs(Path.Combine(path, filename));

               }
           }

           return View("Upload");
       }

@{
    ViewBag.Title = "Upload";
}

<h2>Upload</h2>
<script src="~/Scripts/jquery-1.11.1.min.js"></script>
<script>
    $(document).ready(function () {
        $('#btnUploadFile').on('click', function () {
            var data = new FormData();
            var files = $("#fileUpload").get(0).files;
            // Add the uploaded image content to the form data collection
            if (files.length > 0) {
                data.append("UploadedImage", files[0]);
            }
            // Make Ajax request with the contentType = false, and procesDate = false
            var ajaxRequest = $.ajax({
                type: "POST",
                url: "",
                contentType: false,
                processData: false,
                data: data
            });

            ajaxRequest.done(function (xhr, textStatus) {
                @ViewBag.Message
            });
        });
    });
</script>
<input type="file" name="FileUpload1" id="fileUpload" /><br />
<input id="btnUploadFile" type="button" value="Upload File" />
@Html.ActionLink("Documents", "Downloads")

The remote name could not be resolved: 'smtp.gmail.com'

Source File: e:\Vijaya\Online_Book_Shopping\ForgetPassword.aspx.cs Line: 62

}

protected void Button1_Click(object sender, EventArgs e)
{
    string username = "";
    string password = "";
    string constr = ConfigurationManager.ConnectionStrings["CS"].ConnectionString;
    SqlConnection con = new SqlConnection(constr);
    {

        SqlCommand cmd = new SqlCommand("select Name, Password from dbo.RegisteredUsers where Email=@email", con);
        cmd.Parameters.AddWithValue("Email", txtemail.Text);
        con.Open();
        using (SqlDataReader dr = cmd.ExecuteReader())
        {
            if (dr.Read())
            {
                username = dr["Name"].ToString();
                password = dr["Password"].ToString();

            }

        }
        con.Close();

        if (!string.IsNullOrEmpty(username))
        {
            MailMessage msg = new MailMessage();
            msg.From = new MailAddress("nilusilu3@gmail.com");
            msg.To.Add(txtemail.Text);
            msg.Subject = " Recover your Password";
            msg.Body = ("Your Username is:" + username + "<br/><br/>" + "Your Password is:" + password);
            msg.IsBodyHtml = true;

            SmtpClient smt = new SmtpClient();
            smt.Host = "smtp.gmail.com";
            System.Net.NetworkCredential ntwd = new NetworkCredential();
            ntwd.UserName = "nilusilu3@gmail.com"; //Your Email ID<br />
            ntwd.Password = ""; // Your Password<br />
            smt.UseDefaultCredentials = true;
            smt.Credentials = ntwd;
            smt.Port = 587;
            smt.EnableSsl= true;
            smt.Send(msg);
            lblmsg.Text = "Username and Password Sent Successfully";
            lblmsg.ForeColor = System.Drawing.Color.ForestGreen;
        }
    }

}

        public DataSet Get()
        {
            DataSet dsAllListsOfForm = new DataSet();
            dsAllListsOfForm.Tables.Clear();

            dynamic objCollection; DataTable table;
            using (AppDevSecEntities ctx = new AppDevSecEntities())
            {
                objCollection = (from c in ctx.Departments orderby c.DepartmentName select c).AsQueryable();
                table = Common.ConvertToDataTable<Department>(objCollection);
                dsAllListsOfForm.Tables.Add(table);

                objCollection = (from c in ctx.FunctionalCatagories orderby c.FunctionalCatagoryName select c).AsQueryable();
                table = Common.ConvertToDataTable<FunctionalCatagory>(objCollection);
                dsAllListsOfForm.Tables.Add(table);

                objCollection = (from c in ctx.BusinessUnits orderby c.BusinessUnitName select c).AsQueryable();
                table = Common.ConvertToDataTable<BusinessUnit>(objCollection);
                dsAllListsOfForm.Tables.Add(table);

                objCollection = (from c in ctx.Locations orderby c.LocationName select c).AsQueryable();
                table = Common.ConvertToDataTable<Location>(objCollection);
                dsAllListsOfForm.Tables.Add(table);
            }

            return dsAllListsOfForm;
       }