protected void LinkButton_Click(object sender, EventArgs e)
        {
            string Phone = SqlDataSource1.InsertParameters["Phone"].DefaultValue
                               = ((TextBox)GridView1.FooterRow.FindControl("TextBoxPhone")).Text;

            string Names = SqlDataSource1.InsertParameters["Name"].DefaultValue
                               = ((TextBox)GridView1.FooterRow.FindControl("TextBoxName")).Text;

            GridEntities gridEntities = new GridEntities();
            customer     customer     = new customer()
            {
                Name  = Names,
                Phone = Phone
            };

            gridEntities.customers.Add(customer);
            gridEntities.SaveChanges();
            Response.Redirect("WebForm1.aspx");
        }
 protected void Page_Load(object sender, EventArgs e)
 {
     GridEntities grid = new GridEntities();
 }