Pro SQL Server 2008 Reporting Services

CHAPTER 5Using Custom .NET Codewith Reports

SSRS 2008 offers software developers a variety of options when it comes to customizing reports through code. These options give software developers the ability to write custom functions using .NET code that can interact with report fields, parameters, and filters in much the same way as any of the built-in functions. To give just two examples, you can create a custom function that does the following:

Implements a business rule and returns true or false based on the logic: You can use such a function as part of an expression to change the value or style of a field based on the fields or parameters passed to the function.

Reads data from sources not otherwise available to SSRS 2008 directly: You can ...