Which Ado code do you used ?
By default if you use this code in ADO
parameter.DbType =
DbType.String;ADO will send this parameter as nvarchar(XX), you must specify the SqlDbType to VarChar to send it as VarChar
With iBATIS to sent a Sql Server VarChar SqlDbType, used the attribute dbType="VarChar"
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Cheers,
Gilles
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