protected void Bnt_SendMail_Click(object sender, EventArgs e) { try { NetworkCredential NetCredentials = new NetworkCredential(); NetCredentials.UserName = ConfigurationManager.AppSettings["UserName"]; NetCredentials.Password = ConfigurationManager.AppSettings["Password"]; if (txt_UserId.Text != null && txt_EmailId.Text != null && txt_UserId.Text != "" && txt_EmailId.Text != "") { Web_Order_Mail objser = new Web_Order_Mail(); objser.UseDefaultCredentials = true; objser.Credentials = NetCredentials; Boolean bol = objser.SendVerificationCode(txt_UserId.Text, txt_EmailId.Text); if (bol == true) { Response.Write("<script language='javascript'>window.alert('Verification code has been sent successfully in your mail.');</script>"); ShowSection2(); } else { Response.Write("<script language='javascript'>window.alert('Please enter valid User Id and E-mail Id.');</script>"); txt_UserId.Text = string.Empty; txt_EmailId.Text = string.Empty; } } else { Response.Write("<script language='javascript'>window.alert('Please enter User Id and E-mail Id.');</script>"); } } catch (Exception ex) { var message = new JavaScriptSerializer().Serialize(ex.Message.ToString()); var script = string.Format("alert({0});", message); ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), "", script, true); } }