11/7/2023 0 Comments Expression stimulsoft![]() For some operations you may need to specify three values. This is used to specify the comparison value to be used when calculating the value of a condition. This is used to specify the type of operator to be used when calculating the value of the condition. The value of the column will be used as the first value of the condition. This is used to specify the column of the data source. Therefore, the user should ensure that the expression entered is valid to prevent runtime errors. In this case the reporting tool will not check the compatibility of the first and the second values of the condition. The Expression data type provides the ability to specify an expression instead of the second value. Stimulsoft Reports processes the expressions defined in a report to calculate the value to be displayed or printed for each one. ![]() For example, the Contains operator is available only for the String data type. In addition, depending on the type of data the list of available operators is automatically changed. For example, if the data type is a string, then the methods that work with strings are used. The data type affects how the reporting tool processes the condition. There are five types of data: String, Numeric, DateTime, Boolean, and Expression. This field specifies the type of data with which a condition will work. This is used to select the type of condition. The picture below shows the panel used to set a value condition: The data type helps the reporting tool to identify the type of the second condition, and to automatically modify the list of available types of conditional operator. In addition to the elements described, the condition also includes a data type. Therefore, the user should ensure that the expression entered is valid to prevent runtime errors. OracleConnection 5TibDNgRokVFaXlY+m0qItXCjYnZd3O8+Q+c9GT4qgrkFreNYWxagewBJYD1nG5703jLz2F8AYVrfNUEY2nrF9n89Y1MWfoFygo5XE1tJY/zdEPCa2iyRUZsVQTl3LMb41SbbVtPahlFFTmE+j2rr. These are operations in which the value is checked to determine whether or not it is within a specified range, defined by two values. The Expression data type provides the ability to specify an expression instead of the second value. If you were writing a value condition in code, it would look like this:įor several types of operation three values are used in calculating the condition. The value can be either a constant (for all types of data except for the Expression type), or an expression (for the Expression type). The expression can be a name of the non-calculated column, constant, function, or any combination, connected to one or more operators. This is the second value used to calculate the condition (the first is taken from the data source). The calculated data column is calculated on the base of an expression that can be used by other data columns into an existing data source.
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