private void Init()
{
this.columns = null;
this.table = null;
this.headerHeight = ColumnModel.DefaultHeaderHeight;
this.cellRenderers = new Hashtable();
this.SetCellRenderer("TEXT", new TextCellRenderer());
this.cellEditors = new Hashtable();
this.SetCellEditor("TEXT", new TextCellEditor());
this.secondarySortOrder = new SortColumnCollection();
}