private void UpdateCatalog()
{
//catalog number is the concat of all the chars returned from the CatalogNumber table evaluation
string[] allChars = m_rootNode.EvaluateTable("CatalogNumber", "Code", true);
string Catnum = "";
foreach (string subStr in allChars)
{
Catnum += subStr;
}
if (Catalog != null)
{
Catalog.Text = Catnum;
}
}