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Application Security — Documents Are Untrusted Input
Application Security — Documents Are Untrusted Input
A .docx is a ZIP file Open a .docx file in a hex editor and the first two bytes are PK . Every modern Office format - .docx , .xlsx , .pptx - is a ZIP archive of XML parts and embedded resources. PDF is not a ZIP file, but just like Office formats it...
Oliver Sturm (DevExpress)
29 May 2026
.NET .net core Architecture ASP.NET Blazor Office File API Reporting security WinForms WPF XAF
Application Security — Stronger Hashes and Safer Passwords
Application Security — Stronger Hashes and Safer Passwords
Every application that stores passwords makes an implicit bet: that the hashing algorithm it chose will remain strong enough to resist attacks for as long as those hashes exist. It’s worth revisiting that bet regularly. This post walks through the reasoning...
Oliver Sturm (DevExpress)
17 April 2026
.NET .net core Architecture ASP.NET Blazor Dashboard Data Access Office File API Reporting security WinForms WPF XAF
.NET and .NET Framework — Migration from Newtonsoft.Json to System.Text.Json (v24.1)
.NET and .NET Framework — Migration from Newtonsoft.Json to System.Text.Json (v24.1)
What Will Change in v24.1 In our v24.1 release cycle (set to ship in June 2024), the following DevExpress products will use Microsoft’s System.Text.Json instead of Newtonsoft.Json for JSON serialization-related tasks in runtime code : Data Access Library...
Dennis Garavsky (DevExpress)
1 April 2024
.NET .net 6 .NET 8 .net core ASP.NET ASP.NET Core Blazor C# Dashboards DevExtreme installation installer Maps Reporting Roadmap security Survey v24.1 Web WinForms WPF XAF
Blazor WebAssembly — Authorize EF Core CRUD Operations and Download Reports with OData Web API
Blazor WebAssembly — Authorize EF Core CRUD Operations and Download Reports with OData Web API
In our previous post we announced a GitHub example that demonstrates how to develop a .NET MAUI mobile app with the DevExpress Web API Service alongside Entity Framework Core (EF Core) for the backend. This example follows a series of video tutorials...
Eugeniy Burmistrov (DevExpress)
1 May 2023
ASP.NET Blazor EF ef core Entity Framework Featured mobile OData OpenAPI REST restful Roadmap security Swagger usability v22.1 v22.2 Visual Studio 2022 VS2022 Web API WebAssembly XAF XPO
XAF - Role-based Access Control & User Authentication API in .NET Core Apps: Blazor Server, Web API/OData v4 and More (powered by XPO)
XAF - Role-based Access Control & User Authentication API in .NET Core Apps: Blazor Server, Web API/OData v4 and More (powered by XPO)
UPDATED: .NET App Security API (Role-based Access Control) is available free-of-charge (versions 21.2.x and 22.1.x). Our recent enhancements to user authentication and group authorization demos include the following: .NET Core 3.0+ versions of WinForms...
Dennis Garavsky (DevExpress)
5 February 2020
.net core access control ASP.NET authentication authorization blazor mobile MVC non-XAF OData permissions RBAC RLS roles security WebAPI XAF XPO
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