Updated April 3, 2023
Definition of SSRS IIF
IIF function is a decision function that returns one of two values based on whether or not a statement is true. If, Then, Else is a structure for an “immediate” IF function. Several IIFs could be nested in the very same way as Excel can. On a cell-by-cell basis, its function is assessed. The function parameters are first evaluated by the reporting engine, and afterward, the result values are passed to the function. This indicates that before running the method, one might want to double that the arguments are valid assertions.
What is SSRS IIF?
A developer can manage the control flow of the program and results using the If statement in SSRS. It’s a decision function that may be invoked via expressions. The keyword for an If statement in SSRS is IIF. SSRS interprets expressions to set property values and constructs expressions using simple constants, parameters, dataset fields, functions, and operators. For example, we may create a simple phrase and use it to the Font Weight attribute of the detail rows in the table to emphasize all consumers from a specific location in bold type. To pick the complete row, click the left edge of the row. The expression could be something like this: =iif(Fields!location.Value = “CA”, “Bold”, “Italic”) SSRS iif statement The format of the IIF() statement is as follows: =IIF(Expression, Condition set when the expression is true, Condition set when the expression is false) It should be a Boolean expression, according to parameter 1. Parameter 2: When Expression evaluates to true, this value will be returned. Parameter 3: When Condition is false, this value will be returned.
How to work SSRS IIF?
If the expression evaluates to true, we utilize the very first part of the statement; else, we just use the second part. Expressions are used for more than just displaying the data in text boxes. They could also be used to alter how reporting items’ attributes are handled. A report item’s styling can be changed, as well as its visibility. Let’s imagine I want to alter the color of a cell in a field called add prod. If the prod sold value is greater than 6, I’d like to change the color to orange; else, I’d like to keep it red. This is how I’ll use the IIF function. Doing Color Properties =IIF(Fields!prod sold .Value<=5,”Orange”,”red”) The expression to change the word ‘estimate’ to ‘Debit’ when the field is True. =iif(First(Fields! Debit. Value, “ARForm”)=True,” Debit”,” estimate”) We don’t have to construct else conditions in IFF in SSRS; all simply must do is state whatever we want to happen if the condition is met and what want to occur if the condition is not satisfied. Rather than employing a code-behind as simple judgments, we can utilize an expression behind a textbox with just an unlimited number of IIf statements. Look at the case of a parameter called Sum Val, which can assume 3 distinct values (10, 20, or 30). Based on the value, we may wish to make a complete reporting row viewable or not. To do so, examine a value with an IIf statement and afterward attach an operation to that value. One can continue adding IIf statements till all eventualities are handled, and then simply put the usual action just after the comma of the last IIf statement, just like we would with a single IIf statement. =IIf (Parameters! SumVal.Value = “1”, FALSE, IIf(Parameters!SumVal.Value = “2”, TRUE, FALSE)) SSRS: IIF expression with several ORs Employ the syntax beneath to use Multiple OR in an IIF expression in SSRS. =IIF((Condition1) OR (Condition2) OR (Condition3), True, False) In SSRS, we have two choices for determining whether such a parameter is BLANK or EMPTY: =IIF(Len (Parameters!Name.Value)=0,True,False) SSRS Visibility Properties using IIF Use an expression in the Visibility settings that use our rank field to determine whether the report should be conditionally shown or hidden when it is first performed. IIF (Fields!ClassGrouping.Value = 1, false, true) Here, False = When first running, do not conceal. Only applies to the data in our rank 1 group. When run for the first time, true means hide. Except for 1st, will apply to all ranks. To set the Expression in SSRS we shall select the expression like below in SQL Server. Add a new item like Next, drag all the necessary fields from the Dataset, and the preview is shown here: Using IIF taking the items sold less than 5. The next process is to create a simple expression that compares the items sold value and returns a true value. Executing a report would now show the field with the highlighted color.
SSRS IIF examples
The iif function is used in the following expression to return True if the value of the grocery list exceeds 1000. Otherwise, False is returned: =IIF(Fields!grocery list.Value > 100, True, False) Next with property type where it Returns “Blue” if the value of the CID field is older than a month, and “Green” otherwise. The Color property of a text box in a report item can be controlled with this expression: =IIF (DateDiff(“d”,Fields!CID.Value, Now())>30,”Red”,”Green”) =iif(Fields! puppet volume. Value like “True,” “Y,” and “N”) The value of the Data field is Field. The puppet volume, which would be a bitfield, will be checked in the above iif condition to see if it is True or Not. If it is true, it will show Y in the text box; otherwise, it will display N. If we wish to check two conditions, such as whether puppet volume is true and whether the total volume is greater than 100000, then choose Y or N. We can use expressions like the ones below. =iif(Fields!TaskIsCritical.Value like “True” andSum(Fields!Cost.Value)>10000 ,”Y”, “N”)
Example -2: Division by zero
=IIF(Fields!PossibleZero.Value=0,0,Fields!Denominator.Value/IIF(Fields!PossibleZero.Value=0,1,Fields!PossibleZero.Value)) As a result, checking for division by zero with such a single IIF function will result in a #Absolute error. A set of nested IIF statements could be used instead. The value returned in the case of division by zero, 0 in the case above, is controlled by the outer IIF. In just this case, the inner IIF is a “dummy” number that stops the processor from dividing by zero.
Example-3
using IIF to display Blank as zeros in a cell using SSRS Report IIF(<Test>, <IfTrue>, <IfFalse>) return <IfTrue> if <Test> is True; otherwise, it returns <IfFalse> If SUM (Fields! Total. Value) is Null (the Is Nothing() method gives True if it is Null and a False if it isn’t), therefore the phrase returns zero; alternatively, SUM(Fields! Total. Value) is utilized. When we click to preview the report generates a zero in the place of blank as shown below:
Example-4
The Planet Name function produces a text holding the name of the planet that was supplied. When the Planet field holds the number 0, the following example displays NA in the field. IIF(Fields! Planet.Value=0,"NA",PlanetName(IIF(Fields!Planet.Value=0,1,Fields!Planet.Value)))
Conclusion
We looked at the SSRS IIF Statement in this article, which is a new approach to expressing CASE assertion conditions. Yet, as we can see, nesting iif expressions can quickly become confusing and difficult to read, particularly if we have a big range of elements.
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