Bug 200631 [smoke]Fail to preview report in xls[1203]
Description: Fail to preview report in xls Build number:2.2.1.v20070821 Steps to reproduce: 1. New a report. 2. Insert a label. 3. Preview in xls. Expected result: Display content. Actual result: See attached. Fail to open report. Error log:n/a
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelWriter.java
}
	}
	protected static Logger logger = Logger.getLogger( ExcelWriter.class
			.getName( ) );
	public ExcelWriter( OutputStream out )
	{
		this( out, "UTF-8" );
	}
	public ExcelWriter( OutputStream out, String encoding )
	{
		writer.open( out, encoding );
	}
	
	
	
	public void writeText( Object d)
	{
		writer.openTag( "Data" );
		
		if ( d instanceof Data )
		{
			if ( ( (Data) d ).getDatatype( ).equals( Data.NUMBER ) )
			{
				writer.attribute( "ss:Type", "Number" );
			}
			else if ( ( (Data) d ).getDatatype( ).equals( Data.DATE ) )
			{
				writer.attribute( "ss:Type", "DateTime" );
			}
			else