Bug 208190 [Regression]A blank column occurs when export report to excel file[1203]
Description: Export report to excel file, a blank column is created on the front of the columns exported. Build version:2.3.0.v20071031-0800 Steps to reproduce: 1.Create a sample datasource and dataset. 2.Pull the dataset to the report layout,and add a group on the table. 3.Preview in web viewer, export the report to excel file, a blank column is created as the first column.
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/layout/ExcelLayoutEngine.java
return cache.getColumnSize( column - detal );
	}
	public Data getData( int col, int row )
	{
		Object object = cache.getData( col - detal, row );
		return object == waste ? null : (Data) object;
	}
	public Data[] getRow( int rownum )
	{
		Object[] row = cache.getRowData( rownum );
		List data = new ArrayList( );
		int width = Math.min( row.length, MAX_CLOUMN - 1 );
		
		
		
		
		
		
		for ( int i = 0; i < width; i++ )
		{
			if ( waste == row[i] )
			{
				continue;
			}
			Data d = (Data) row[i];
			
			if(d.isProcessed()) {
				continue;
			}