Divide By Zero Error In Ssrs 2008
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vote 29 down vote favorite 5 We're running into a problem with one of our reports. In one of our tablixes a textbox has the following expression: =Iif(Fields!SomeField.Value = 0, 0, Fields!SomeOtherField.Value / Fields!SomeField.Value) Which should be pretty self-explanatory. If "SomeField" is zero, set the text box value to zero, else set it to "SomeOtherValue / SomeValue". What has us stumped is that the report still throws a runtime nan ssrs exception "attempted to divide by zero" even though the above expression should prevent that from happening. We fiddled a bit with the expression just to make sure that the zero-check is working, and =Iif(Fields!SomeField.Value = 0, "Yes", "No") works beautifully. Cases where the data is in fact zero resulted in the textbox displaying "Yes" and vice versa. So the check works fine. My gut feel is that the Report rendering engine throws the exception at run-time, because it "looks" as if we are going to divide by zero, but in actual fact, we're not. Has anyone run into the same issue before? If so, what did you do to get it working? ssrs-2008 share|improve this question asked Mar 29 '11 at 11:32 tobias86 3,56511125 add a comment| 4 Answers 4 active oldest votes up vote 46 down vote accepted IIf will always evaluate both results before deciding which one to actually return. Try =IIf(Fields!SomeField.Value = 0, 0, Fields!SomeOtherField.Value / IIf(Fields!SomeField.Value = 0, 1, Fields!SomeField.Value)) This will use 1 as the divisor if SomeOtherField.Value = 0, which does not generate an error. The parent IIf will return the correct 0 for the overall expression. share|improve this answer answered Mar 29 '11 at 11:44 Mar
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getting an error in a calculated field that could potentially divide by zero, even though I'm using an IIF. The column displays in the report http://stackoverflow.com/questions/5471817/ssrs-2008-dealing-with-division-by-zero-scenarios as "#Error". My expression looks like this: = IIF(Fields!Qty.Value = 0, "None", Fields!Hours.Value / Fields!Qty.Value) I have successfully used this approach with INT fields, but this time the Hours field is a NUMERIC(9,2). My workaround is to do this: IIF(Fields!Qty.Value = 0, "None", IIF(Fields!Qty.Value = 0, 42, Fields!Hours.Value) / Fields!Qty.Value) I guess the https://social.msdn.microsoft.com/Forums/sqlserver/en-US/ef1a0375-414e-41f4-b32f-3b782c5b4c85/error-using-iif-and-divide-by-zero?forum=sqlreportingservices 42 is cast to an INT inside the second IIF and the calculation works. What's strange is that the division would even be carried out in the event of Qty = 0 from the first IIF, because the expression should just evaluate to "None" and that would be that. Has anybody run into this problem? Is my workaround the recommended approach? -Larry Friday, January 19, 2007 3:56 PM Reply | Quote Answers 9 Sign in to vote Hi Larry, I recommend to add a custom code function for the division (in Report -> Report Properties -> Code): Public Function Divide(ByVal first As Double, ByVal second As Double) As Double If second = 0 Then Return 0 Else Return first / second End If End Function Then, modify the expression accordingly: = IIF(Fields!Qty.Value = 0, "None", Code.Divide(Fields!Hours.Value, Fields!Qty.Value)) -- Robert Tuesday, January 23, 2007 2:52 AM R
you've ever tried to use an IIF statement expression to fix an error https://sqldusty.com/2011/08/01/ssrs-expression-iif-statement-divide-by-zero-error/ received by dividing by zero, you probably still received the divide by zero error message. Very frustrating. An expression like this returns an error when Sum(Fields!Beta.value) = http://www.reportingservicestips.co.uk/RSTip008.html 0: =sum(Fields!Alpha.Value)/sum(Fields!beta.Value) So you, being the critical thinker that you are, try the following: =iif(sum(Fields!Beta.Value)=0,0,sum(Fields!Alpha.Value)/sum(Fields!Beta.Value)) Alas, this will not work. Even though SSRS may evaluate your divide by expression as true, it still will attempt to resolve the false part of your expression, which gives you the divide by zero error. To get around this infuriating issue Microsoft should have dealt with in the first place, try this: =iif(sum(Fields!Beta.Value)=0,0,sum(Fields!Alpha.Value)/iif(sum(Fields!Beta.Value)=0,1,sum(Fields!Beta.Value)) This solution should fix any issues you have dividing by zero. Rate divide by zero this:Share this:TwitterFacebookPinterestGoogleLinkedInEmailRedditPrintLike this:Like Loading... Divide by zero ErrorSSRS expression Post navigation Previous PostSetting Up a Macro in the BIDS Toolbar to Execute an SSIS PackageNext PostDaily Average Orders Calculation at Any Level of Date Hierarchy Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. (LogOut/Change) You are commenting using your Twitter account. (LogOut/Change) You are commenting using your Facebook account. (LogOut/Change) You are commenting using your Google+ account. (LogOut/Change) Cancel Connecting to %s Notify me of new comments via email. Categories #MDXMonday (3) #SQLFamily (5) Azure (3) Azure ML (1) big data (1) Community (21) Dashboard Design (6) Data Mining (2) Data Warehouse Design (9) dataviz (10) DAX (9) Errors (3) Excel (11) Free Training (33) Hadoop (1) MDX (33) MDX Puzzle Solution (1) Microsoft (1) PASS (6) Performance T
in this code: Function CalculateFraction(ByVal Numerator As Double, ByVal Denominator As Double) As Double If Denominator= 0 Then CalculateFraction = 0 Else CalculateFraction = Numerator / Denominator End If Return CalculateFraction End Function Now insert the following expression into the desired textbox and format according: =Code.CalculateFraction(Fields!Numerator.Value, Fields!Denominator.Value) You could also use the following IIF expression: =IIF(Fields!Denominator.Value = 0, 0, Fields!Numerator.Value / IIF(Fields!Denominator.value = 0, 1, Fields!Denominator.Value)) But the best thing about using the Embedded Code it's easier to use and reusable.
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