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var c = 'E';
c++;
Console.WriteLine(c);
SELECT SUBSTRING('WEFA',2,1), CHAR(ASCII( SUBSTRING('WEFA',2,1))+1)
declare @input nvarchar(100)
set @input = 'WE000001'
print stuff(@input, 2, 1, CHAR(ASCII(substring(@input, 2, 1)) + 1))