Bug 136246 [regression]Export data exported error column name.
Description: Export data exported error column name. Steps to reproduce: 1. export data in a table, select several columns. Expected result: Selected column name and data are exported. Actual result: No matter what columns you selected, exported columns name always display columns beginning from the first, and then the second, and so on.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
for ( int i = 1; i < columnNames.length; i++ )
						{
							buf.append( ',' ); 
							try
							{
								value = cvsConvertor( (String) DataTypeUtil
										.convert( iData
												.getValue( columnNames[i] ),
												DataType.STRING_TYPE ) );
							}
							catch ( Exception e )
							{
								value = null;
							}
							if ( value != null )
							{
								buf.append( value );
							}
						}
						outputStream.println( buf.toString( ) );
						buf.delete( 0, buf.length( ) );
					}
				}
			}
		}
		catch ( Exception e )
		{
			AxisFault fault = new AxisFault( );
			fault
					.setFaultCode( new QName(