Questa e' la mia Stored


CREATE PROCEDURE dbo.Select_Tab_perdata
(
@datax datetime
)
AS
SET NOCOUNT ON;
SELECT * FROM Tab WHERE (data = @datax)

quando la carico su CRYSTAL REPORT
mi da questo errore

not supported.
details: ADO ERROR CODE 0x80040e14
source: Microsoft Ole DB Provider for Sql Server
description: incorrect syntax near the keyword 'CONVERT'
Sqlstate: 42000
native error: 156