Questions

How do you write if else condition in Jasper report?

Jasper Reports doesn’t support if-else statements when defining variable expressions. Instead you can use the ternary operators {cond}? {statement 1} : {statement 2}. You can nest this operator inside a Java expression to obtain the desired output based on multiple conditions.

How do I compare two strings in Jasper?

Steps to reproduce:

  1. Create a new report. Template: Blank A4.
  2. Create a new Field of the String type with the name “Field_1”.
  3. Drag the field onto the detail band and on the print when expression enter: “$F(Field_1).equals(“”)
  4. Save and compile the report, the exception should appear.

How do you add variables in Jaspersoft?

From there you can create a new variable (right click on the “Variables” item and then “Create variable”) and, once selected, a variable its properties are visible on the Properties tab. There are some built-in variables on Jaspersoft Stuido, which present in every report.

How do I set property in Jasper report?

At JasperReports level Some properties can be set at report level. If you want to set those property for all your reports on JasperReports Server, you can set the property at the JasperReports level. In /WEB-IN/classes you can find the file jasperreports. properties.

What is $P in Jasper report?

There are two syntax expressions for parameter referencing in JasperReports: $P{} and $P!{} . $P{paramName} syntax is using mostly for setting WHERE input parameters values. The replacement algorithm is “smart”, its implementation uses java.

What is the difference between equals () and equalsIgnoreCase ()?

Difference between equals() vs equalsIgnoreCase() in Java Use equals() in Java to check for equality between two strings. Use equalsIgnoreCase() in Java to check for equality between two strings ignoring the case.

What is the difference between equals () and equalsIgnoreCase () in string functions?

The only difference between them is that the equals() methods considers the case while equalsIgnoreCase() methods ignores the case during comparison. For e.g. The equals() method would return false if we compare the strings “TEXT” and “text” however equalsIgnoreCase() would return true.

What is Jasper variable?

JasperReports variable A variable is used to store partial results and to do complex calculations with the data extracted from data source. They can be used in other parts of the report, including other variables. We refer to the variable with the $V{var_name} syntax.

How do you pass parameters in Jasper report?

To pass parameters from the Main report to the datasets, the parameters have to have the same name. That is, if the name of the parameter in the main report is ‘Region’, then the Datasets which need this parameter will have to have a parameter with an identical name.

What is Jasper and Jrxml?

jrxml is a human readable XML file that contains the report template i.e. report structure and its formatting rules. . jasper is the compiled report template i.e. compiled . jrxml file. You use this file as the template argument in the JasperReports API.