Reportviewer

Developers can use expressions for conditional formatting, allowing report styles (colors, fonts, borders) to change dynamically based on the data. Implementation Across Platforms

The control processes and renders reports entirely on the client-side using the application's resources. In this mode, reports are typically saved as RDLC (Report Definition Language Client-side) files. reportviewer

The ReportViewer control offers several built-in features that enhance the reporting experience for both developers and users: such as expressions

Supports a variety of data presentations, including tables, matrices (crosstabs), lists, and over two dozen distinct chart types. and custom code.

private void LoadReport(DateTime start, DateTime end)

This guide gives you a basic overview. For more complex reports, you might need to dive deeper into ReportViewer and RDLC capabilities, such as expressions, grouping, and custom code. Microsoft’s documentation and various tutorials can provide more detailed instructions and examples.