Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/html/HTMLTableBandLM.java
{
	protected boolean dropDetailResolved;
	protected HTMLTableLM tbl;
	protected int groupLevel = 0;
	protected int bandType = IBandContent.BAND_DETAIL;
	public HTMLTableBandLM( HTMLLayoutManagerFactory factory )
	{
		super( factory );
	}
	public int getType( )
	{
		return LAYOUT_MANAGER_TABLE_BAND;
	}
	public void initialize( HTMLAbstractLM parent, IContent content,
			IReportItemExecutor executor, IContentEmitter emitter )
	{
		
		super.initialize( parent, content, executor, emitter );
		tbl = getTableLayoutManager( );
		ITableBandContent tableBand = (ITableBandContent) content;
		bandType = tableBand.getBandType( );