public SetupModel()
{
SelectedMetadataStructureId = -1;
MetadataStructureViewList = new List<ListViewItem>();
BlockMetadataStructureId = false;
SelectedDataStructureId = -1;
DataStructureViewList = new List<ListViewItemWithType>();
BlockDatastructureId = false;
SelectedDatasetId = -1;
DatasetViewList = new List<ListViewItem>();
BlockDatasetId = false;
}