Unable to modify user with code
protected void btnSaveUser_Click(object sender, EventArgs e) try Telerik.Sitefinity.Security.UserManager um = new Telerik.Sitefinity.Security.UserManager(); Telerik.Sitefinity.Security.Model.User user = um.GetUser(DropDownList2.SelectedItem.Text); user.FirstName = RadTextBox2.Text; user.LastName = RadTextBox3.Text; um.SaveChanges(); catch (Exception ex) Its working there was fault in my Code on page Load