Bug 145992 [regression] drill through to report document with toc in target does not work properly
steps to reproduce: - create 1st report - add a report element with toc entry - preview in viewer - create 2nd report - add a drill through link to the report document expected behavior: - drill through can be added actual behavior: - when select toc in target, exception was thrown out
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HyperlinkBuilder.java
{
		}
	};
	private ICellModifier cellModifier = new ICellModifier( ) {
		public boolean canModify( Object element, String property )
		{
			if ( element == dummyParameterBinding
					&& COLUMN_VALUE.equals( property ) )
			{
				return false;
			}
			return true;
		}
		public Object getValue( Object element, String property )
		{
			ParamBinding paramBinding = ( (ParamBinding) element );
			Object value = null;
			if ( COLUMN_VALUE.equals( property ) )
			{
				value = paramBinding.getExpression( );
				if ( value == null )
				{
					value = ""; 
				}
			}
			else if ( COLUMN_PARAMETER.equals( property ) )
			{
				buildParameterChoices( paramBinding.getParamName( ) );
				int index = -1;
				for ( int i = 0; i < parameterChooser.getItems( ).length; i++ )