Bug 151794 Integer data can't be retrieved in dynamic parameter
Steps to reproduce: 1.New a sample data source and a data set from table "CUSTOMERS" 2.New a dynamic parameter, choose data type "Integer" Expected result: Those integer data set columns are listed in "Select value column" Actual result: No column available
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
allowNull.setEnabled( false );
			allowNull.setSelection( false );
			checkBoxChange( allowBlank, CHECKBOX_ALLOW_BLANK );
		}
		if ( !DesignChoiceConstants.PARAM_TYPE_STRING.equals( getSelectedDataType( ) ) )
		{
			allowBlank.setEnabled( false );
			allowBlank.setSelection( false );
			checkBoxChange( allowBlank, CHECKBOX_ALLOW_BLANK );
		}
	}
	private void refreshDataSets( )
	{
		String selectedDataSetName = dataSetChooser.getText( );
		String[] oldList = dataSetChooser.getItems( );
		String[] newList = ChoiceSetFactory.getDataSets( );
		if ( oldList.length != newList.length )
		{
			dataSetChooser.setItems( newList );
			if ( StringUtil.isBlank( selectedDataSetName ) )
			{
				dataSetChooser.select( 0 );
				refreshColumns( false );
			}
			else
			{
				dataSetChooser.setText( selectedDataSetName );
			}
		}
	}