Pass (Send) parameters when previewing ASP.Net Crystal Report in C#

--------------------------- Crystal Reports ActiveX Designer --------------------------- Logon failed. Details: ADO Error Code: 0x Source: Microsoft SQL Native Client Description: Invalid connection string attribute SQL State: 01S00 --------------------------- OK   --------------------------- --------------------------- Crystal Reports ActiveX Designer --------------------------- Logon failed. Details: ADO Error Code: 0x Source: Microsoft SQL Native Client Description: Login failed for user 'sa'. The user is not associated with a trusted SQL Server connection. SQL State: 28000 Native Error: --------------------------- OK   --------------------------- --------------------------- Crystal Report Viewer --------------------------- Failed to open a rowset. Details: ADO Error Code: 0x Source: Microsoft SQL Native Client Description: Procedure or function 'port' expects parameter '@pMonth', which was not supplied. SQL State: 42000 Native Error: --------------------------- OK   ---------------------------

i get the above error when i am trying to preview the report

during preview how to i pass the parametres