Bug 209126 DataException throws out when set highlight condition in sub-report[0302]
Description: Set highlight condition in sub-report, when "select value..." in the highlight dialog, DataException throws out. Build version:2.3.0.v20071108-0800 Steps to reproduce: 1.Get the attached report design file, which contains a sub-report. 2.Select the inner table, and then go to "highlight" tab in the property editor view to set a highlight rule. When click "select value...", DataException throws out. Error: The expression's value can not be retrieved. An error happened in data type conversion. Can not convert the value of org.eclipse.birt.data.engine.script.DataExceptionMocker@79c17b to Integer type.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
{
				return true;
			}
		}
		else
		{
			if ( expressionValue1.getVisible( ) )
			{
				if ( expressionValue1.getText( ) == null
						|| expressionValue1.getText( ).length( ) == 0 )
				{
					return false;
				}
			}
			if ( expressionValue2.getVisible( ) )
			{
				if ( expressionValue2.getText( ) == null
						|| expressionValue2.getText( ).length( ) == 0 )
				{
					return false;
				}
			}
		}
		return true;
	}
	private void removeLocalStyleProperties( )
	{
		try
		{
			handle.getFontFamilyHandle( ).setStringValue( null );