A little class to help you with uri querystrings for Windows Forms

 

  1public class URIQueryString
  2{
  3 string URIQuery = string.Empty;
  4 Hashtable htURIQuerystring = new Hashtable();
  5
  6 public URIQueryString(string uriQuery)
  7 {
  8  this.URIQuery = uriQuery;
  9  this.htURIQuerystring = Enumerate();
  10 }
  11
  12 public Hashtable Enumerate()
  13 {
  14  Hashtable ret = new Hashtable();
  15
  16  // with HttpRequest object
  17  //HttpRequest req = new HttpRequest(string.Empty, URIQuery, URIQuery.Substring(URIQuery.IndexOf('?') + 1));
  18  //for (int i = 0; i < req.QueryString.Count; i++)
  19  //{
  20  //    ret.Add(req.QueryString.GetKey(i), req.QueryString[i].ToString());
  21  //}
  22
  23  // without HttpRequest object
  24  string FullQuery = URIQuery.Substring(URIQuery.IndexOf('?') + 1);
  25  string[] KV = FullQuery.Split('&');
  26  for (int i = 0; i < KV.Length; i++)
  27  {
  28   string[] dat = KV[i].Split('=');
  29   ret.Add(dat[0], dat[1]);
  30  }
  31
  32  return ret;
  33 }
  34
  35 public bool HasKey(string Key)
  36 {
  37  return htURIQuerystring.ContainsKey(Key);
  38 }
  39
  40 public string GetURI()
  41 {
  42  return this.URIQuery.Substring(0, this.URIQuery.IndexOf("?"));
  43 }
  44
  45 public void ChangeValue(string Key, string Value)
  46 {
  47  if (htURIQuerystring.ContainsKey(Key))
  48  {
  49   IDictionaryEnumerator dicEnum = htURIQuerystring.GetEnumerator();
  50   while (dicEnum.MoveNext())
  51   {
  52    if (dicEnum.Key.ToString().ToLower() == Key.ToLower())
  53    {
  54     htURIQuerystring.Remove(Key);
  55     htURIQuerystring.Add(Key, Value);
  56
  57     break;
  58    }
  59   }
  60  }
  61 }
  62
  63 public void RemoveKey(string Key)
  64 {
  65  if (htURIQuerystring.ContainsKey(Key))
  66  {
  67   htURIQuerystring.Remove(Key);
  68  }
  69 }
  70
  71 public string GetFullURI()
  72 {
  73  string ret = string.Empty;
  74
  75  IDictionaryEnumerator dicEnum = htURIQuerystring.GetEnumerator();
  76  while (dicEnum.MoveNext())
  77  {
  78   ret += string.Format("{0}={1}&", dicEnum.Key, dicEnum.Value);
  79  }
  80
  81  return GetURI() + "?" + ret.Remove(ret.Length - 1, 1);
  82 }
  83}