Divide By Zero Error In Ssrs
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Ssrs #error Divide By 0
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have a tablix box that has a division expression. When dividing by zero or nulls I get #Error displayed in my report. I tried to create an IIF statement and tested with static values. This verified my syntax was correct but I still see the error on my reports. =IIF(Sum(Fields!CY_Dollars.Value)=0, 0, (Sum(Fields!CY_Dollars.Value) - Sum(Fields!PY_Dollars.Value))/(Sum(Fields!PY_Dollars.Value))) So I'm taking Current year dollars, subtracting Previous year dollars, and dividing that total by previous
Ssrs Divide By Zero Error Encountered
year dollars to get the percentage change. Is there a trick to this that I'm not getting?! reporting-services ssrs-tablix ssrs-expression share|improve this question edited Dec 3 '15 at 5:16 pedram 3,30131840 asked Oct 4 '13 at 19:19 d90 3342415 You mentioned that there are nulls in your data? Try nesting each field call in a NULL replacement function. For example, I would the format IIF(Fields!PY_Dollars.Value = Nothing, 0, Fields!PY_Dollars.Value = Nothing) for each Fields!PY_Dollars.Value in the current formula. Better yet, handle the nulls in the source query instead. –Eric Hauenstein Oct 4 '13 at 19:59 The condition in your IIF statement is not checking for zero denominator (you are checking for zero in CY, not PY value). Instead, try: =IIF(Sum(Fields!PY_Dollars.Value)=0, 0, (Sum(Fields!CY_Dollars.Value) - Sum(Fields!PY_Dollars.Value))/(Sum(Fields!PY_Dollars.Value))) –rpyzh Feb 14 '14 at 3:23 add a comment| 2 Answers 2 active oldest votes up vote 31 down vote accepted You can add a function to your report code that handles the divide by zero condition, this makes it a bit easier to implement in multiple cells, e.g. Public Function Divider (ByVal Dividend As Double, ByVal Divisor As Double) If IsNothing(Divisor) Or Divisor = 0 Return 0 Else Return Dividend/Divisor End If End Function You can then call this in
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Ssrs Add Function To Report
developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the ssrs iserror Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up SSRS 2008 - Dealing with division http://stackoverflow.com/questions/19189132/ssrs-expression-divide-by-zero-error by zero scenarios up 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 http://stackoverflow.com/questions/5471817/ssrs-2008-dealing-with-division-by-zero-scenarios that the report still throws a runtime 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 f
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single IIf statement does not work because it evaluates both results before deciding which one to act on. For example, when the denominator is 0, this returns an error: =IIf ( Fields!Denominator.Value = 0 ,NOTHING ,Fields!Numerator.Value / Fields!Denominator.Value ) (Actually, it either returns "#Error", "Infinity", "-Infinity", or "NaN" depending on the data types involved. My next blog post will provide more detail on that. Let's assume in this blog that the numerator and denominator are both DECIMAL, which will result in "#Error" when the denominator is zero.) Pros and Cons Here are the pros and cons of the different techniques. If you have some more insight on one of these, or know of another technique, let me know in the comments. Technique #1 - Nested IIf Statement The first and most commonly used workaround is the nested IIf statement: =IIf ( Fields!Denominator.Value = 0 ,NOTHING ,Fields!Numerator.Value / IIf ( Fields!Denominator.Value = 0 ,1 ,Fields!Denominator.Value ) ) As you can see, this works because when the FALSE condition of the first IIf is evaluated, it does not try to divide by zero. Technique #2 - Math Trick =IIf ( Fields!Denominator.Value = 0 ,NOTHING ,Fields!Numerator.Value * (Fields!Denominator.Value ^ -1) ) As you know, in algebra: X * (Y ^ -1) = X * (1 / Y) = X / Y So it is the same as dividing by the denominator. But why does it work when the denominator is 0? This works because (0 ^ -1) evaluates to "Infinity" in SSRS regardless of the data type. Be aware this does not work in other places, like T-SQL: Or the plain ol' Windows calculator: Or the TI-83 calculator: Interestingly, however, it does work in PowerShell: I would never expect this to work because it doesn't really make mathematical sense! Dividing by zero and raising 0 to the power of -1 are supposed to be the same thing. If you are a stickler for math, you may be a little hesitant to use this trick in your reports. Technique #3 - Custom Code You may prefer to return 0 instead of NOTHING. If so, you have