I need ImportXML in 10.2 but I don't know it.
Hello Miriam,
You can use Import Metadata tool through arcobjects as ImportXML class is not found anymore.
private void ImportMetadata(string sourceMetadata, string targetMetadata, string importType = "FROM_ISO_19139",bool enableAutomaticUpdates=true)
{
IGeoProcessor gp = new GeoProcessor();
IVariantArray va = new VarArrayClass();
va.Add(sourceMetadata);
va.Add(importType);
va.Add(targetMetadata);
va.Add(Convert.ToString(enableAutomaticUpdates));
gp.Execute("ImportMetadata_conversion", va, null);
}