eg.
QuestionId QuestionCode  Question IsActive 
1           5            ABC       1
2           AC5          ABC2      1
3           60           ABCD      1
4           A4           ABCF      1
5           1            ABCASD    1


SELECT 
	(
		SELECT 
			QuestionId as QuestionID, -- INT
			QuestionCode as QuestionCode, -- VARCHAR
			Question as Question, -- VARCHAR
			IsActive as IsActiveValue -- BIT
		FROM 
			Questions
		WHERE 
			IsActive = 1	ORDER BY -- [To sort varchar fields]
			CASE ISNUMERIC(QuestionCode) 
				WHEN 1 THEN Replicate(CHAR(35), 100 - LEN(QuestionCode)) + QuestionCode
				ELSE QuestionCode
			END
		FOR XML PATH('Question'), TYPE
	)
	FOR XML PATH('BOQuestionList'), TYPE

To sort varchar fields which contain numeric data & returning XML

To sort varchar fields which contain numeric data

sql

SQL