Invoice Management System

Building an Invoice Management System with DevExpress MVC Controls

This interactive demo illustrates how to build a complete invoice management system using DevExpress ASP.NET MVC Extensions. Every control on this page is fully functional - you can add, edit, and delete records; expand invoice rows to view and edit line items; switch between invoice types using tabbed navigation; and configure company and user settings through structured form layouts.

DevExpress GridView: The Foundation

The MVCxGridView is the workhorse of this system. We use six separate grid instances across the page: a Customers grid with popup edit form mode for complex data entry, a Products grid with batch editing for rapid inline changes, and three invoice grids (Sales, Rental, Credit Notes) with inline editing and master-detail capabilities. Each grid supports filtering, searching, paging, and adaptive responsive layouts.

Master-Detail Pattern

The invoice grids demonstrate DevExpress's powerful master-detail pattern. Click the expand arrow on any invoice row to reveal its line items in a nested grid. The detail grid uses batch editing, allowing you to add multiple line items, modify quantities and prices, and save all changes at once. This pattern is configured through SettingsDetail.ShowDetailRow and SetDetailRowTemplateContent.

FormLayout for Structured Data Entry

The Billing Company and User Profile sections use MVCxFormLayout to create organised, grouped form fields. FormLayout automatically handles responsive column arrangements, field validation, and grouping with collapsible sections. Combined with MVCxRoundPanel for visual grouping and MVCxCallbackPanel for AJAX refresh, these sections provide a polished settings experience.

PageControl for Tab Navigation

The MVCxPageControl organises the main content into five tabs: Customers, Products, Sales Invoices, Rental Invoices, and Credit Notes. Each tab loads its content independently, and the tab scrolling feature ensures usability on narrower screens. This control eliminates the need for page navigation while keeping the UI clean and organised.

Adaptive Responsive Design

All grids on this page use GridViewAdaptivityMode.HideDataCells, which automatically hides less important columns on smaller screens and shows them in expandable adaptive detail rows. This means the same grid works seamlessly on desktop, tablet, and mobile devices without any custom CSS media queries.

Session-Based Data for Demo Purposes

This demo uses session-based storage to persist your changes during your browsing session. In a production environment, you would replace the session calls with Entity Framework, Dapper, or any other data access layer. The controller pattern remains the same - only the data retrieval methods change.

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