>I think you have to convert the byte array (loDataParameterSQLClient.Value) to hex ?
>
>

>declare @Tmp table
>(	Id int IDENTITY(1,1) NOT NULL,
>	MD5 binary(16) not null
>);
>
>insert into @Tmp (MD5) values (0xB3C54EFB6C02017046905007293650B1);
>insert into @Tmp (MD5) values (0xB3C54EFB6C02017046905007293650B2);
>
>declare @MD5 Binary(16);
>SET @MD5 = 0xB3C54EFB6C02017046905007293650B2;
>
>
>select * from @Tmp where (MD5 = @MD5);
>

If I put 0x + loDataParameterSQLClient.Value, it will end up with 0xSystem.Byte[].