private void ScriptIniection()
    {
      StringBuilder mySB = new StringBuilder(Request.ApplicationPath);
      int _SbLength = mySB.Length - 1;
      if(mySB[mySB.Length -1 ].ToString() == "/") mySB.Replace("/","",_SbLength,1);
      
      StringBuilder sb = new StringBuilder("\n<script language=\"javascript\" type=\"text/javascript\">\n");
      sb.Append("function calendarPicker(strField)\n");
      sb.Append("{\n");
      sb.Append("window.open('");
      
      sb.Append(mySB.ToString()+"/userControl/Calendar.aspx");
        
      sb.Append("?field=' + strField,'calendarPopup','width=250,height=210,resizable=yes');\n");
      
      sb.Append("\n}\n<");
      sb.Append("/");
      sb.Append("script>");

      if(!this.Page.IsStartupScriptRegistered("popCalendar"))this.Page.RegisterStartupScript("popCalendar",sb.ToString());
    }
    private void MakeLink()
    {  
      string formName = null;
      //cerco il nome del form
      foreach(System.Web.UI.Control i in this.Page.Controls )
      {
        object ob = i as HtmlForm; 
        if (ob != null)
        {
          formName = ((HtmlForm)i).Name.ToString();
        }
      }
      
      StringBuilder mySB = new StringBuilder(Request.ApplicationPath);
      int _SbLength = mySB.Length - 1;
      if(mySB[mySB.Length -1 ].ToString() == "/") mySB.Replace("/","",_SbLength,1);

      StringBuilder sb = new StringBuilder("calendarPicker('");
      sb.Append(formName);
      sb.Append(".");
      sb.Append(Date.ClientID.ToString());
      sb.Append("');");

      calendar.Attributes.Add("href","javascript:;");
      calendar.Attributes.Add("onclick",sb.ToString());


    }

      Link.Attributes.Add("href", String.Format("JavaScript:window.opener.document.{0}.value = \'{1}\'; window.close();", Request.QueryString["field"], e.Day.Date.ToString("dd/MM/yyyy")));