public void TestMethod1()
{
NameValueCollection nvc = new NameValueCollection();
nvc["id"] = "23";
nvc["name"] = "jiegege";
nvc["age"] = "6";
Console.WriteLine(MVCHelper.UpdateQueryString(nvc, "name", "hedajie"));
Console.WriteLine(MVCHelper.DeleteQueryString(nvc, "age"));
Console.WriteLine(MVCHelper.UpdateQueryString(nvc, "money", "2000"));
Console.WriteLine(MVCHelper.ToQueryString(nvc));
}