Hi Einar,

This would take care of the case of null, but what about "0" ? Looks like I have to use or condition, that's how I tried to code it last night.

>try changing
>

>((e.NewValues["FatherID"]?? "0") =="0")
>

>to
>

>e.NewValues["FatherID"]==null?true:false
>

>
>>Hi everybody,
>>
>>I could not understand why
>>
>> if ((e.NewValues["FatherID"]?? "0") =="0" && e.NewValues["Father"] != string.Empty)
>>
>>evaluates to false
>>
>>when
>>
>>e.NewValues["FatherID"]?? "0") shows "0" in the watch window and
>>e.NewValues["Father"] = "Some value"
>>
>>But checking
>>
>>((e.NewValues["FatherID"]?? "0") =="0") also produces false.
>>
>>Do you see where is my logic mistake here?
>>
>>I want to do some special coding if ID is 0 or null and Name is not empty.
>>
>>Thanks in advance.