How to disable the unwanted SSRS report export formats using asp.net c#

How to disable the unwanted SSRS report export formats using asp.net c#

/// <summary>

        /// Disable Unwanted Export Formats

        /// </summary>

        public void DisableUnwantedExportFormats()

        {

            FieldInfo info;

            foreach (RenderingExtension extension in this.rptname.ServerReport.ListRenderingExtensions())

            {

                if (extension.Name == "EXCEL" || extension.Name == "PDF" || extension.Name == "WORD")

                {

                    //info = extension.GetType().GetField("m_isVisible", BindingFlags.Instance | BindingFlags.NonPublic);

                    //if (info != null)

                    //{

                    //    Extension rsExtension = info.GetValue(extension) as Extension;

                    //    if (rsExtension != null)

                    //    {

                    //        rsExtension.Visible = false;

                    //    }

                    //}

                    info = extension.GetType().GetField("m_isVisible", BindingFlags.Instance | BindingFlags.NonPublic);

                    info.SetValue(extension, true);

                }

                else

                {

                    info = extension.GetType().GetField("m_isVisible", BindingFlags.Instance | BindingFlags.NonPublic);

                    info.SetValue(extension, false);

                }

            }

        }

Call this method in page load method

protected void Page_Load(object sender, EventArgs e)

        {

            try

            {

               

                if (!IsPostBack)

                {

                   

                }

                this.DisableUnwantedExportFormats();

            }

            catch (Exception ex)

            {

            }

        }