stored proc - executing a query with NOT IN where clause

Question

i have a stored procedure

Create PROCEDURE abc      
  @sRemovePreviouslySelectedWhereClause nvarchar(max)
AS
BEGIN

SELECT * 
      FROM table 
     WHERE nId          


        

Answer 1

Create FUNCTION [dbo].[fn_Split] (  
@List nvarchar(2000),   @SplitOn nvarchar(5)
 )   
RETURNS @RtnValue table  ( 
    Value nvarchar(100) ) 
 AS   
BEGIN 
While (Charindex(@SplitOn,@List)>0) 
Begin  
Insert Into @RtnValue (value)
 Select    Value = ltrim(rtrim(Substring(@List,1,Charindex(@SplitOn,@List)-1))) 
Set @List = Substring(@List,Charindex(@SplitOn,@List)+len(@SplitOn),len(@List)) 
End  
Insert Into @RtnValue (Value)
    Select Value = ltrim(rtrim(@List))

    Return 
END

**********
Create PROCEDURE abc      
  @sRemovePreviouslySelectedWhereClause nvarchar(max)
AS
BEGIN

SELECT * 
      FROM Table 
     WHERE nId NOT IN (select * from dbo.fn_Split(@sRemovePreviouslySelectedWhereClause,','))

END;