private void TerminalBlockControl_Validating(object sender, CancelEventArgs e)
{
var tb = _item as TestEquipmentTerminalBlocksTerminalBlock;
string error;
//if (tb != null && !SchemaManager.ValidateXml(tb.Serialize(), ATMLCommon.TestEquipmentNameSpace, out error))
// LogManager.Error(error);
//if (tb != null)
// ValidateToSchema(tb);
e.Cancel = false;
}