using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using CrystalDecisions.CrystalReports.Engine;

namespace CR_Test{
 public class BlankReportForm : System.Web.UI.Page{
  protected CrystalDecisions.Web.CrystalReportViewer CrystalReportViewer1;

  protected BlankReport bRpt;
 
  private void Page_Load(object sender, System.EventArgs e){
   bRpt = new BlankReport();


   //The following two lines of code work
   bRpt.DataDefinition.FormulaFields["strField"].Text = "\"myStrField\"";
   bRpt.DataDefinition.FormulaFields["numField"].Text = "\"myNumField\"";

   //the following two lines of code throw exception 
   //CrystalDecisions.CrystalReports.Engine.InvalidArgumentException: Invalid report object name.
   Response.Write(bRpt.ReportDefinition.ReportObjects["strField"].Name + "<br>");
   Response.Write(bRpt.ReportDefinition.ReportObjects["numField"].Name + "<br>");

   //the following two lines of code also throw exception 
   //CrystalDecisions.CrystalReports.Engine.InvalidArgumentException: Invalid report object name.
   ((FieldObject)bRpt.ReportDefinition.ReportObjects["strField"]).Color = System.Drawing.Color.Red;
   ((FieldObject)bRpt.ReportDefinition.ReportObjects["numField"]).Color = System.Drawing.Color.Blue;

   CrystalReportViewer1.ReportSource = bRpt;
  }

  #region Web Form Designer generated code
  override protected void OnInit(EventArgs e){
   InitializeComponent();
   base.OnInit(e);
  }

  private void InitializeComponent(){    
   this.Load += new System.EventHandler(this.Page_Load);

  }
  #endregion
 }
}