Bug 195122 NPE throws out when click import value in list type dynamic parameter[0705]
Description: NPE throws out when click import value in list type dynamic parameter[0705] Build number: 2.2.0.v20070702-0630 Steps to reproduce: 1, New a dataset with no resultset 2, New a report parameter 3, Select List Box as display type 4, In static, click Import Values Expected result: No value can be imported or tell the user that no value in resultset Actual result: NPE Throws out Error log: org.eclipse.birt.report.designer.core.runtime.GUIException: Caused by java.lang.NullPointerException. at org.eclipse.birt.report.designer.core.runtime.GUIException.createGUIException(GUIException.java:76) at org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler.handle(ExceptionHandler.java:135) at org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler.handle(ExceptionHandler.java:117) at org.eclipse.birt.report.designer.internal.ui.dialogs.ImportValueDialog.refreshValues(ImportValueDialog.java:555) at org.eclipse.birt.report.designer.internal.ui.dialogs.ImportValueDialog.refreshColumns(ImportValueDialog.java:449)
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/DataUtil.java
{
			QueryDefinition defn = new QueryDefinition( null );
			defn.setDataSetName( dataSetDesign.getName( ) );
			if ( rowsToReturn > 0 )
			{
				defn.setMaxRows( rowsToReturn );
			}
			for ( int i = 0; i < bindingParams.length; i++ )
			{
				ParamBindingHandle param = bindingParams[i];
				InputParameterBinding binding = new InputParameterBinding(
						param.getParamName( ), new ScriptExpression( param
								.getExpression( ) ) );
				defn.addInputParamBinding( binding );
			}
			return defn;
		}
		return null;
	}
	/**
	 * 
	 * @param dataSetDesign
	 * @param rowsToReturn
	 * @return
	 */
	public static final QueryDefinition getQueryDefinition(
			IBaseDataSetDesign dataSetDesign, int rowsToReturn )
	{
		if ( dataSetDesign != null )
		{