The code works fine in my developer machine, But when i publish it, the page rasie a runtime error,but another page also use cute editor works fine.
Here is my code :
public class FileEditor : System.Web.UI.Page
 {
  protected System.Web.UI.WebControls.DropDownList DropDownList1;
  protected System.Web.UI.WebControls.Button Button1;
  protected CuteEditor.Editor inputCont;
  private void Page_Load(object sender, System.EventArgs e)
  {
      if(!Page.IsPostBack)
   {
    LoadFile();
   }
  }
  public string FileName
  {
   get {return(Server.MapPath(this.DropDownList1.SelectedValue));}
  }

  #region Web Form 
  override protected void OnInit(EventArgs e)
  {
   //
   // CODEGEN: 
   //
   InitializeComponent();
   base.OnInit(e);
  }
  
    /// </summary>
  private void InitializeComponent()
  {   
   this.DropDownList1.SelectedIndexChanged += new System.EventHandler(this.DropDownList1_SelectedIndexChanged);
   this.Button1.Click += new System.EventHandler(this.Button1_Click);
   this.Load += new System.EventHandler(this.Page_Load);

  }
  #endregion

  private void Button1_Click(object sender, System.EventArgs e)
  {
   try
   {
    inputCont.SaveFile(FileName);
   }
   catch(Exception e1)
   {
    Response.Write(e1.Source + "<Br>" + e1.Message);
   }
  }

  private void Button2_Click(object sender, System.EventArgs e)
  {
   //inputCont.LoadHtml(FileName);
  }

  private void DropDownList1_SelectedIndexChanged(object sender, System.EventArgs e)
  {
   LoadFile();
  }
  private void LoadFile()
  {
   try
   {
    inputCont.LoadHtml(FileName);
   }
   catch(Exception e)
   {
    Response.Write(e.Source + "<Br>" + e.Message);
   }
  }
  
 }