Tag: #csharp
4 articles
-
Adding Custom Cells to a WinForms or WPF Spreadsheet — Progress Bars, Sliders, and Dropdowns with CellBody
How to use ReoGrid's CellBody API to build cells with custom rendering and interaction in WinForms and WPF apps. Practical C# examples including a progress bar, an interactive slider, and a status badge cell.
-
Display and Edit an Excel File in a WinForms or WPF App with C#
How to embed a working Excel viewer inside a .NET desktop app — load .xlsx, let users edit cells and formulas, save back to disk. Minimal WinForms and WPF examples in C#.
-
Export a DataTable to Excel (.xlsx) in C# Without Office Interop
How to write a DataTable out as a real .xlsx file from C# — headers, formats, multiple sheets, and the ASP.NET Core download pattern. Side-by-side examples with ClosedXML, EPPlus, and ReoGrid.
-
Reading and Writing Excel Files in C# Without Office Interop
A practical guide to handling .xlsx files from C# without installing Microsoft Office. Compares the main approaches — OpenXML SDK, ClosedXML, EPPlus, NPOI, and ReoGrid — and shows working code for the common cases.