Hi Bonnie..
Thanks again for your reply
.. I will get the hang of this dor net stuff some day !!

Regards,

Gerard



>Gerard,
>
>DataRow columns are objects. You need to cast it to an int before you attempt to add to it.
>

>dr["num_nexta"] = (int)dr["num_nexta"] + 1;
>

>
>~~Bonnie
>
>
>>Hi.
>>I am trying to add 1 to a datarow field as follows:
>>
>>dr["num_nexta"] = dr["num_nexta"] + 1;
>>
>>.. it comes up with an eror : Operator + cannot be applied to operannds of type object and int
>>
>>however :
>>
>>dr["num_nexta"] = 123 is ok.
>>
>>Anybody know what I am doing wrong ?
>>
>>regards,
>>
>>Gerard