ASP.NET - Problema sqlconnection

string connectionString = @"Data Source = (local)\sqle2012; Initial Catalog = MvcCrudDB; Integrated Security=True";

[HttpGet]

public ActionResult Index()

{

    DataTable dtblProduct = new DataTable();

    using (SqlConnection sqlCon = new SqlConnection(connectionString))   aqui

    {

        sqlCon.Open();

        SqlDataAdapter sqlDa = new SqlDataAdapter("SELECT * FROM Product",sqlCon);

        sqlDa.Fill(dtblProduct);

    }

    return View(dtblProduct);

}

[HttpGet]

public ActionResult Index()

{

DataTable dtblProduct = new DataTable();

try {

using (SqlConnection sqlCon = new SqlConnection(connectionString)) aqui

{

sqlCon.Open();

SqlDataAdapter sqlDa = new SqlDataAdapter("SELECT * FROM Product",sqlCon);

sqlDa.Fill(dtblProduct);

}

}

catch (Exception ex)

{

    Console.Writeline(ex.Message);

}

return View(dtblProduct);

}