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To assign the user to group in MOSS 2007

The following code will add the user to site and to specified group.

private void AddUser(string strSite,string webGroup)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
използване (SPSite site = new SPSite(strSite))
{
използване (SPWeb web = site.OpenWeb())
{
Boolean allowUnsafeUpdate = web.AllowUnsafeUpdates;
try
{
web.AllowUnsafeUpdates = true;

web.SiteUsers.Add(loginName, MailId, loginId, “”);
web.Groups[webGroup].AddUser(loginName, MailId, loginId, “”);

}
finally
{
web.AllowUnsafeUpdates = allowUnsafeUpdate;
}
}
}
});
}