void btnSaveAsTemplate_Click(object sender, EventArgs e)
{
SaveLetter();
LetterHtmlTemplate template = new LetterHtmlTemplate();
template.SiteGuid = siteSettings.SiteGuid;
template.Title = txtNewTemplateName.Text;
template.Html = edContent.Text;
template.Save();
string redirectUrl = SiteRoot + "/eletter/LetterEdit.aspx?l=" + letterInfoGuid.ToString()
+ "&letter=" + letter.LetterGuid.ToString();
WebUtils.SetupRedirect(this, redirectUrl);
}