title: how can i pass parameter value in text box of Telerik report in detail space
body: <p>i used  Telerik reporting for my aspx project and in this project i want to user can  set some item of report .  for achieve this goal i use parameter and create param like pic 1 and in fig 2 are property of this parameter  and i use it in my report like fig 3  but at least when i run my project i see fig 4 my question is :
  is it my code wrong and how can i set an item of my report by user  in report space when i use parameters they load and show in a parameter area how can i showing them in detail space of report? whats wrong in my code ?<img src="https://i.stack.imgur.com/toehY.png" alt="enter image description here">
  here its my code:</p>
  
  <pre><code>using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Web;
  using System.Web.UI;
  using System.Web.UI.WebControls;
  using schduleing_report;//its my dll report
  
  namespace telerikreporttest
  {
      public partial class _Default : System.Web.UI.Page
      {
          protected void Page_Load(object sender, EventArgs e)
          {
              Report2 report = new Report2();
  
              var instanceReportSource = new Telerik.Reporting.InstanceReportSource();
              instanceReportSource.ReportDocument = new schduleing_report.Report2();
              instanceReportSource.Parameters.Add("param", "hi it work");
              this.ReportViewer1.ReportSource = instanceReportSource;
  
              instanceReportSource.Parameters.Add("testparam", "textbox2 is work too");
  
              ReportViewer1.RefreshReport();
  
          }
      }
  }
  </code></pre>