سلام ، اگر ممکنه متدش رو به اشتراک بزارین . ممنونم .
اینم متدش
  private void frmPrint_Click(object sender, EventArgs e)

        {

                WebBrowser wb = new WebBrowser();



                wb.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(PrintDocum  ent);

                string s = "<html><head><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"></head><body><table width=\"100%\"  border=\"1\" align=\"center\" dir=\"rtl\" style=\"font-family:'B Nazanin'\" > ";

                s += "<tr>";

                for (int j = 0; j < grdLawList.Columns.Count; j++)

                {

                    if (grdLawList.Columns[j].Visible)

                    {



                        if (j == 1)

                            s += "<th width=\"100px\" style=\"background-color:#CCC; \">" + grdLawList.Columns[j].HeaderText + "</th>";

                        else

                            s += "<th style=\"background-color:#CCC;\">" + grdLawList.Columns[j].HeaderText + "</th>";

                    }



                }



                s += "</tr>";

                for (int i = 0; i < grdLawList.Rows.Count; i++)

                {

                    s += "<tr>";

                    for (int j = 0; j < grdLawList.Columns.Count; j++)

                    {

                        if (grdLawList.Columns[j].Visible)

                        {



                            s += "<td>" + grdLawList.Rows[i].Cells[j].Value + "</td>";

                        }



                    }

                    s += "</tr>";

                }

                s += "</table> </body></html>";

                wb.DocumentText = s;

           

        }

   

        private void PrintDocument(object sender, WebBrowserDocumentCompletedEventArgs e)

        {

          //  ((WebBrowser)sender).ShowPrintDialog();

            // Print the document now that it is fully loaded.

            ((WebBrowser)sender).ShowPageSetupDialog();

            ((WebBrowser)sender).ShowPrintDialog();

            // Dispose the WebBrowser now that the task is complete. 

            ((WebBrowser)sender).Dispose();

        }