Operator ‘==’ incompatible with operand types ‘Int32′ and ‘Object’
February 5, 2009 by: B.HardingI had this error pop up on me recently.
Operator ‘==’ incompatible with operand types ‘Int32′ and ‘Object’
I had an good grasp on why but the stack track would not tell me where!
The issue is that a null object was being used in a where clause somewhere. Linq translated the null as “” and could not be compared the the ID field which is an int.
My solution was to simply check each key and cancel the action if there is a null value.
Since I couldn’t tell which Linq Data source was crashing I wired up on selecting events for them ALL and put the following code in:
foreach (KeyValuePair<string, object> kvp in e.WhereParameters)
{
if (kvp.Value == null){
e.Cancel = true;
return;
}
}
Problem solved.
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