Convert varchar to uniqueidentifier in SQL Server

Today, I am going to share query for “convert varchar to uniqueidentifier” using SQL Server 2012 and solution for SQL Server error “Conversion failed when converting from a character string to uniqueidentifier”.

The SQL Query:-

--Convert varchar to uniqueidentifier in SQL Server.
--Conversion failed when converting from a character string to uniqueidentifier.

DECLARE @ProductID VARCHAR(50)
SET @ProductID = 'ADC10CFC-EC8A-424B-AF5E-1F1B177D304B'

SET @ProductID = (SELECT  CAST(
        SUBSTRING(@ProductID, 1, 8) + '-' + SUBSTRING(@ProductID, 9, 4) + '-' + 
        SUBSTRING(@ProductID, 13, 4) + '-' + SUBSTRING(@ProductID, 17, 4) + '-' + 
        SUBSTRING(@ProductID, 21, 12)
        AS UNIQUEIDENTIFIER))

SELECT @ProductID