Bug 422205 Missing help content reference in MongoDB ODA Data Set UI page
The help context ID is not referenced by the MongoDB DOA data set query page.
data/org.eclipse.birt.data.oda.mongodb.ui/src/org/eclipse/birt/data/oda/mongodb/ui/impl/MongoDBDataSetWizardPage.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.datatools.connectivity.oda.design.ui.wizards.DataSetWizardPage
	 * #canLeave()
	 */
	protected boolean canLeave( )
	{
		int exprType = 1;
		try
		{
			
			if ( opType != CommandOperationType.DYNAMIC_QUERY )
			{
				exprType = 1;
				QueryModel.validateCommandSyntax( opType, cmdExprValue );
			}
			if ( opType == CommandOperationType.DYNAMIC_QUERY
					|| opType == CommandOperationType.MAP_REDUCE )
			{
				
				if ( !UIHelper.isEmptyString( queryExpr ) )
				{
					exprType = 2;
					QueryModel.validateQuerySyntax( queryExpr );
				}
				
				if ( !UIHelper.isEmptyString( sortExpr ) )