Get SP Group User's Name and User Email id via SP Object Model:
private void GetSecurity()
{
string GetSecurity = string.Empty;
string GetSecurityEmail = string.Empty;
using (SPSite site = new SPSite(SPContext.Current.Web.Url))
{
using (SPWeb web = site.OpenWeb())
{
SPGroup gp = web.Groups["GWPSecurity"];
if (gp != null)
{
foreach (SPUser usr in gp.Users)
{
//if (usr.Name != "System Account")
//{
if (GetSecurity == "")
GetSecurity += usr.Name;
//else
// GetSecurity += ", " + usr.Name;
if (GetSecurityEmail == "")
GetSecurityEmail += usr.Email;
else
GetSecurityEmail += ";" + usr.Email;
//}
}
}
}
}
XPathNavigator datasource;
datasource = this.MainDataSource.CreateNavigator();
datasource.SelectSingleNode("/my:myFields/my:NewSecurityName", NamespaceManager).SetValue(GetSecurity);
datasource.SelectSingleNode("/my:myFields/my:SecurityofficerEmail", NamespaceManager).SetValue(GetSecurityEmail);
}