Bug 157262 Column visibility doesn't work properly in attached report in PDF
Column visibility doesn't work properly in attached report Steps to reproduce: 1.open the attached file 2.preview it in PDF Expected result: Column visibility works well in PDF Actual result: The column visibility of the second and third column of the inner grid in the cell(1,0) doesn't works
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
bcr.resolveTableTopBorder( tableStyle, rowStyle, columnStyle,
					cellContentStyle, cellAreaStyle );
			}
			
			if ( columnID == 0 )
			{
				bcr.resolveTableLeftBorder( tableStyle, rowStyle, columnStyle,
						cellContentStyle, cellAreaStyle );
			}
			else
			{
				bcr.resolveCellLeftBorder( preColumnStyle, columnStyle,
						leftCellContentStyle, cellContentStyle, cellAreaStyle );
			}
			
			if ( columnID + colSpan == columnNumber )
			{
				bcr.resolveTableRightBorder( tableStyle, rowStyle, columnStyle,
						cellContentStyle, cellAreaStyle );
			}
		}
		else
		{
			bcr.resolveCellTopBorder( preRowStyle, rowStyle, topCellStyle,
						cellContentStyle, cellAreaStyle );
			
			if ( columnID == 0 )
			{
				
				bcr.resolveTableLeftBorder( tableStyle, rowStyle, columnStyle,