Bug 204506 NPE block to create a aggregation builder including a argument such as Percentile function[0001]
Description: [Regression]NPE block to create a aggregation builder including a argument such as Percentile function[0001] Build number: 2.2.1.v20070924-1643 Steps to reproduce: 1, New a Sample Dataset from CUSTOMERS 2, New a table binding the dataset and group on COUNTRY 3, Drag a aggregation builder into the table 4, Specify the FUNCTION as Percentile, Data Field to dataSetRow["CUSTOMERNUMBER"], percentage to 0.5 and aggregate on Group1 5, Click OK to finish Expected result: The aggregation builder is created well Actual result: org.eclipse.birt.report.designer.core.runtime.GUIException: Caused by java.lang.NullPointerException occurs Error log: rg.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:169) at org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler.handle(ExceptionHandler.java:150) at org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler.handle(ExceptionHandler.java:89) at org.eclipse.birt.report.designer.internal.ui.dialogs.DataColumnBindingDialog.okPressed(DataColumnBindingDialog.java:235)
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
if ( expr != null )
				{
					cmbDataField.setText( expr );
				}
			}
		} );
		argsComposite = new Composite( composite, SWT.NONE );
		GridData gridData = new GridData( GridData.FILL_HORIZONTAL
				| GridData.GRAB_HORIZONTAL );
		gridData.horizontalSpan = 3;
		gridData.exclude = true;
		argsComposite.setLayoutData( gridData );
		GridLayout layout = new GridLayout( );
		
		layout.marginWidth = layout.marginHeight = 0;
		layout.numColumns = 3;
		argsComposite.setLayout( layout );
		new Label( composite, SWT.NONE ).setText( FILTER_CONDITION );
		txtFilter = new Text( composite, SWT.BORDER );
		txtFilter.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
				| GridData.GRAB_HORIZONTAL ) );
		createExpressionButton( composite, txtFilter );
		txtFilter.addModifyListener( new ModifyListener( ) {
			public void modifyText( ModifyEvent e )
			{
			}
		} );
		Label lblAggOn = new Label( composite, SWT.NONE );
		lblAggOn.setText( AGGREGATE_ON );
		gridData = new GridData( );