How to convert int to char with leading zeros?

Question

I need to convert int datafield to nvarchar with leading zeros

example:

1 convert to \'001\'

867 convert to \'000867\', etc.

thx.

---

Answer 1

Use REPLICATE so you don't have to hard code all the leading zeros:

DECLARE @InputStr int
       ,@Size     int
SELECT @InputStr=123
      ,@Size=10

PRINT REPLICATE('0',@Size-LEN(RTRIM(CONVERT(varchar(8000),@InputStr)))) + CONVERT(varchar(8000),@InputStr)

OUTPUT:

0000000123