>>>Use @ prefix.
>>
>>@ prefix adds line feeds to strings.
>>So result string is different and cannot be used in case label.
>>
>>>PS: In most cases it's easier to use StringBuilder.
>>
>>I need to use string literal in case label as shown in example.
>>case label cannot be expression so using StringBuilder is not possible.
>
>

>strin s1 = @"IR(""xxx"")+
>sql('sele tasudok from dok x
> where doktyyp+str(dokumnr,7)= ""G""+
>str(dok.krdokumnr,7) ','')".Replace("\r\n",String.Empty);
>
>//..
>case s1:
>
>

>
>Using such a string as a label is dangerous but it is up to you.
>Cetin

Thank you. I also found that

case @"ssss""bbbb"+
@"dfdgfg""dfgf""":

works. This does not reqire separate statements for case label creation so this is better, is'nt it?