Insert the data from view With MVC

Controller 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using MvcApplication1.Models;

namespace MvcApplication1.Controllers
{
    public class TestController : Controller
    {
        //
        // GET: /Test/

     

        public ActionResult Test()
        {
            return View("Test");
        }



        [HttpPost]
        public ActionResult Test(ModelTest e, string Command)
        {
            if (Command == "Submit")
            {
                e.Insert();
                e.Reset();
               
            }

            return View("Test");
        }

    }

}

Model :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;

namespace MvcApplication1.Models
{
    public class ModelTest
    {
        public string Name { get; set; }
        public string Address { get; set; }
        public int Phone_landline { get; set; }
        public int Mobile { get; set; }
        public string Relation { get; set; }

        public string  Insert()
        {
            //SqlConnection con = null;
            string result = "";
            try
            {
                string s = "Data Source=XXXX;Database=EmpDetails;Trusted_Connection=Yes;";
                //SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["mycon"].ToString());
                SqlConnection con=new SqlConnection(s);
                SqlCommand cmd = new SqlCommand("spcontacts", con);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.AddWithValue("@Flage", "I");
                // i will pass zero to MobileID beacause its Primary .
                cmd.Parameters.AddWithValue("@Name", Name);
                cmd.Parameters.AddWithValue("@Address", Address);
                cmd.Parameters.AddWithValue("@Phone", Phone_landline);
                cmd.Parameters.AddWithValue("@Mobile", Mobile);
                cmd.Parameters.AddWithValue("@Relaction", Relation);
                con.Open();
                result = cmd.ExecuteScalar().ToString();
                return result;
            }
            catch
            {
                return result = "";
            }
            finally
            {
                //con.Close();
            }
        }

        public void Reset()
        {
            Name = string.Empty;
            Address = string.Empty;
            Phone_landline = Convert.ToInt16(string.Empty);
            Mobile = Convert.ToInt16( string.Empty);
            Relation = string.Empty;
        }

    }


}

View :

@model MvcApplication1.Models.ModelTest
@{
    ViewBag.Title = "Test";
}




<h2>Test</h2>
@using (Html.BeginForm())
{
<table><tr><td>Name</td><td>@Html.TextBoxFor(a=>a.Name)</td></tr>
<tr><td>Address</td><td>@Html.TextBoxFor(a=>a.Address)</td></tr>
<tr><td>LandLine No.</td><td>@Html.TextBoxFor(a=>a.Phone_landline)</td></tr>
<tr><td>Mobile/Cell</td><td>@Html.TextBoxFor(a=>a.Mobile)</td></tr>
<tr><td>Comments/Relations</td><td>@Html.TextBoxFor(a=>a.Relation)</td></tr>
<tr><td></td><td><input id="Submit1" type="submit" value="Submit" name="Command" /></td></tr>
<tr><td></td><td></td></tr></table>
}