protected void btnSearch_Click(object sender, EventArgs e)
{
string subject = txtNewSubject.Text.Trim().ToLowerInvariant();
SubjectInfo[] currentSubjects = GetSubjects();
if(subject.Length > 0) {
// Find all groups and users whose name starts with the specified string
lstFoundSubjects.Items.Clear();
foreach(UserGroup group in Users.GetUserGroups()) {
if(group.Name.ToLowerInvariant().StartsWith(subject) &&
!IsAlreadyPresent(group.Name, SubjectType.Group, currentSubjects)) {
lstFoundSubjects.Items.Add(new ListItem(Properties.Messages.Group + ": " + group.Name, "G." + group.Name));
}
}
foreach(UserInfo user in Users.GetUsers()) {
if(user.Username.ToLowerInvariant().StartsWith(subject) &&
!IsAlreadyPresent(user.Username, SubjectType.User, currentSubjects)) {
lstFoundSubjects.Items.Add(new ListItem(Properties.Messages.User + ": " + user.Username, "U." + user.Username));
}
}
btnAdd.Enabled = lstFoundSubjects.Items.Count > 0;
}
}