Parameter

[2002 JI Open Discussion]

By: Danny Liu - dsyliu

Parameter

2003-06-27 13:20

Following is my java code:

 

JasperDesign design = JasperManager.loadXmlDesign( report.getXmlSourceWithFullPath() );

JasperReport jasperReport = JasperCompileManager.compileReport( design );

String sqlQuery = jasperReport.getQuery().getText();

Class.forName( "com.sybase.jdbc.SybDriver" );

Connection conn = DriverManager.getConnection( "jdbc:sybase:Tds:xxx.xxx.xxx.xxx", "sa", "sa" );

Map parameters = new HashMap();

for ( int j=0; j<paramList.size(); j++ )

{

parameters.put( ((JRDesignParameter)paramList.get(j)).getName(), ((JReportArgument)jReportArgumentList.get(j)).getPairValue() );

}

ResultSet rs = JRQueryExecuter.executeQuery(jasperReport.getQuery(),parameters,null,conn);

JRResultSetDataSource rsDataSource = new JRResultSetDataSource( rs );

JasperPrint jasperPrint = JasperFillManager.fillReport( jasperReport, parameters, rsDataSource );

 

 

and here is my query in XML file:

<parameter name="customer" isForPrompting="true" class="java.lang.Integer">

<defaultValueExpression><![CDATA[new Integer(527)]]></defaultValueExpression>

</parameter>

<queryString><![CDATA[select * from vehicle where customer_uk = $P{customer}]]></queryString>

 

 

I receive error on ResultSet rs = JRQueryExecuter.executeQuery(jasperReport.getQuery(),parameters,null,conn);

 

I already tried many different ways but none of them work. Can somebody please tell me what's wrong with my code? Also, I notice that this function takes in two parameters (HashTable), what's the difference? If one is parameter name, and the other one is value, then why do we need to use parameter.put(Name,Value)? Can somebody give me an example on how to do this?

 

Thank you

dsyliu