CREATE PROCEDURE [dbo].[ddd]
@Fdata datetime,@Ldata datetime,@Proba int
AS
BEGIN
    SELECT  Artikul,proba,data
    FROM  main.dbo.jornal       
    WHERE  data>=@Fdata and data<=@Ldata and Proba in (@Proba)
END

 where Proba in (select Proba from Table)

    SELECT  Artikul,proba,data
    FROM  main.dbo.jornal       
    WHERE  data>=@Fdata and data<=@Ldata and Proba in (@Proba)

=Join(Parameters!Param.Value,",")

Создал функцию:

CREATE FUNCTION [dbo].[Proba_Vibor] (@Proba ntext)
RETURNS 
@tbl TABLE 
(listpos int IDENTITY( 1 ,  1 ) NOT NULL,number  int NOT NULL)
AS
BEGIN
	DECLARE @pos      int,
              @textpos  int,
              @chunklen smallint,
              @str      nvarchar( 4000 ),
              @tmpstr   nvarchar( 4000 ),
              @leftover nvarchar( 4000 )

      SET @textpos =  1 
      SET @leftover = ''
      WHILE @textpos <= datalength(@Proba) /  2 
      BEGIN
         SET @chunklen =  4000  - datalength(@leftover) /  2 
         SET @tmpstr = ltrim(@leftover + substring(@Proba, @textpos, @chunklen))
         SET @textpos = @textpos + @chunklen

         SET @pos = charindex(',', @tmpstr)
         WHILE @pos >  0 
         BEGIN
            SET @str = substring(@tmpstr,  1 , @pos -  1 )
            INSERT @tbl (number) VALUES(convert(int, @str))
            SET @tmpstr = ltrim(substring(@tmpstr, @pos +  1 , len(@tmpstr)))
            SET @pos = charindex(',', @tmpstr)
         END

         SET @leftover = @tmpstr
      END

      IF ltrim(rtrim(@leftover)) <> ''
         INSERT @tbl (number) VALUES(convert(int, @leftover))
	RETURN 
END

CREATE PROCEDURE [dbo].[ddd]
@Fdata datetime,@Ldata datetime,@Proba nvarchar( 10 )
AS
BEGIN
    SELECT  Artikul,proba,data
    FROM  main.dbo.jornal       
    WHERE  data>=@Fdata and data<=@Ldata and Proba in (select number from [dbo].[Proba_Vibor] (@Proba))
END