如何将nvarchar转换为int然后在sql server中添加

Question

i do not understand that what wrong in this query

select cast(B1 as int)+
       (cast(H1 as int)+
       (cast(C1 as int)+
       (cast(I1 as int)) as [man] 
From Kanpur

B1, H1, C1, I1 is declared as nvarchar in database

error: Incorrect syntax near the keyword 'as'.

Answer 1

You are missing the closing parantheses.

select (cast(B1 as int)+cast(H1 as int)+cast(C1 as int)+cast(I1 as int)) as [man]
From Kanpur

Answer 2

Missing parenthesis...write as:

select cast(B1 as int)+
       (cast(H1 as int))+
       (cast(C1 as int))+
       (cast(I1 as int)) as [man] 
From Kanpur