sum in telerik report

Hi

I am using telerik report now i want to do sum of two column so i am using following experssion

=Fields.FirstNumber + Fields.SecondNumber

but if any of the fields are null , then it is not adding ,

please suggest how to do it.
praveen1981Asked:
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RobOwner (Aidellio)Commented:
You will need to test if either the Fields.FirstNumber or Fields.SecondNumber is null/nothing before doing the assignment.

e.g.

Dim firstNumber as Integer
Dim secondNumber as Integer
Dim thirdNumber as Integer

firstNumber = 0
secondNumber = 0

if (Not Fields.firstNumber is Nothing) then firstNumber=Fields.firstNumber)
if (Not Fields.secondNumber is Nothing) then secondNumber=Fields.secondNumber)

thirdNumber=firstNumber + secondNumber

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praveen1981Author Commented:
Many thanks.
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RobOwner (Aidellio)Commented:
No problem. What was you reasoning for the B grade? Just would like to know for my own understanding.
Cheers
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