Rajasekar SuLearn ASP.NET Core API design, performance improvements, and backend patterns with practical, real-world techniqueshttps://rajasekar.dev/Optimistic Locking in EF Core - Stop Silent Data Losshttps://rajasekar.dev/blog/optimistic-locking-in-ef-core/https://rajasekar.dev/blog/optimistic-locking-in-ef-core/Learn how EF Core handles optimistic locking with rowversion, concurrency tokens, and DbUpdateConcurrencyException with real API code examples.Sun, 17 May 2026 16:34:49 GMTImprove ASP.NET Core API Performance with Response Compressionhttps://rajasekar.dev/blog/improve-aspnet-core-api-performance-with-response-compression/https://rajasekar.dev/blog/improve-aspnet-core-api-performance-with-response-compression/Boost ASP.NET Core API performance with response compression techniques using Brotli, Gzip, and custom providers to enhance data efficiencyThu, 06 Nov 2025 16:06:25 GMTUnderstanding the Builder Pattern in C# - A Practical Guide for Developershttps://rajasekar.dev/blog/understanding-the-builder-pattern-in-c-a-practical-guide-for-developers/https://rajasekar.dev/blog/understanding-the-builder-pattern-in-c-a-practical-guide-for-developers/Learn how to implement the Builder Pattern in C#Mon, 13 Oct 2025 05:15:07 GMTImplementing Memory Guard in ASP.NET Core API - Tips for Setting Optimal Thresholdshttps://rajasekar.dev/blog/implementing-memory-guard-in-aspnet-core-api-tips-for-setting-optimal-thresholds/https://rajasekar.dev/blog/implementing-memory-guard-in-aspnet-core-api-tips-for-setting-optimal-thresholds/A practical guide to adding a custom Memory Guard middleware in ASP.NET Core APIs, with real‑world advice on choosing threshold valuesFri, 05 Sep 2025 08:42:48 GMTASP.NET Core 8 + IIS + EF Core: Proven Memory Management Practices for High‑Performance APIshttps://rajasekar.dev/blog/aspnet-core-8-iis-ef-core-proven-memory-management-practices-for-highperformance-apis/https://rajasekar.dev/blog/aspnet-core-8-iis-ef-core-proven-memory-management-practices-for-highperformance-apis/Learn proven memory management techniques for ASP.NET Core 8 APIs on IIS with EF Core to boost performance, prevent leaks, and cut hosting costsWed, 03 Sep 2025 06:38:07 GMTWhat Should a .NET Project Have? A Practical Checklist for Developershttps://rajasekar.dev/blog/what-should-a-net-project-have-a-practical-checklist-for-developers/https://rajasekar.dev/blog/what-should-a-net-project-have-a-practical-checklist-for-developers/Ensure a successful .NET project with a practical checklist for developers. Aim for a well-structured and maintainable solutionMon, 01 Sep 2025 12:55:45 GMTMastering C# Pattern Combinators - Logical AND, OR, NOT, and Beyond with Exampleshttps://rajasekar.dev/blog/mastering-c-pattern-combinators-logical-and-or-not-and-beyond-with-examples/https://rajasekar.dev/blog/mastering-c-pattern-combinators-logical-and-or-not-and-beyond-with-examples/Explore C# Pattern Combinators to enhance code readability and maintainability. Master logical operators like AND, OR, NOT with practical examples.Sat, 14 Dec 2024 06:18:42 GMTImplement Real-Time Communication Using SignalR with Angularhttps://rajasekar.dev/blog/implement-real-time-communication-using-signalr-with-angular/https://rajasekar.dev/blog/implement-real-time-communication-using-signalr-with-angular/Use SignalR with Angular for real-time communication - set up ASP.NET Core API, connect Angular for dynamic messaging in interactive appsThu, 05 Dec 2024 16:42:22 GMTCreate Your Own Privacy-Focused Analytics Tool with JavaScript and ASP.NET Corehttps://rajasekar.dev/blog/create-your-own-privacy-focused-analytics-tool-with-javascript-and-aspnet-core/https://rajasekar.dev/blog/create-your-own-privacy-focused-analytics-tool-with-javascript-and-aspnet-core/Learn to create a privacy-focused analytics tool using JavaScript and ASP.NET Core for simple user data collection without third-party dependenceFri, 08 Nov 2024 16:14:46 GMTHow to Upload a File to Network File Share with Credentials using C# (.NET Core)https://rajasekar.dev/blog/how-to-upload-file-to-network-file-share-using-csharp-net-core/https://rajasekar.dev/blog/how-to-upload-file-to-network-file-share-using-csharp-net-core/Learn how to upload a file to a network file share with credentials in C# (.NET Core)Thu, 27 Jun 2024 11:40:46 GMTStore and retrieve settings using IOptions pattern in C#https://rajasekar.dev/blog/store-retrieve-settings-using-ioptions-pattern-in-csharp/https://rajasekar.dev/blog/store-retrieve-settings-using-ioptions-pattern-in-csharp/Manage app settings in .NET using IOptions for type safety, validation, and dynamic configuration updatesSun, 23 Jun 2024 16:09:40 GMTStep-by-Step: Google OAuth in ASP.NET with Angular and JWT Authenticationhttps://rajasekar.dev/blog/how-to-implement-google-authentication-in-aspnet-using-angular-and-jwt-a-detailed-guide/https://rajasekar.dev/blog/how-to-implement-google-authentication-in-aspnet-using-angular-and-jwt-a-detailed-guide/Learn how to implement Google OAuth in ASP.NET with Angular and JWT Authentication step-by-step for secure user verificationSun, 28 Apr 2024 06:46:48 GMTAPI Design: Filtering, Searching, Sorting, and Paginationhttps://rajasekar.dev/blog/api-design-filtering-searching-sorting-and-pagination/https://rajasekar.dev/blog/api-design-filtering-searching-sorting-and-pagination/Learn how to design RESTful APIs with filtering, searching, sorting, and pagination features.Wed, 17 Jan 2024 09:31:45 GMTCancellation Token in C# - Explainedhttps://rajasekar.dev/blog/cancellationtoken-in-csharp-explained/https://rajasekar.dev/blog/cancellationtoken-in-csharp-explained/A blog post about how to use cancellation tokens in C# for managing and cancelling asynchronous operations, with examples and best practicesFri, 15 Dec 2023 14:55:12 GMTDotnet important linkshttps://rajasekar.dev/blog/dotnet-important-links/https://rajasekar.dev/blog/dotnet-important-links/dotnet important linksSat, 09 Dec 2023 17:46:11 GMTAPI Development with C#: A Comprehensive Guidehttps://rajasekar.dev/blog/api-development-with-csharp-comprehensive-guide/https://rajasekar.dev/blog/api-development-with-csharp-comprehensive-guide/Unlock the secrets of API development with C#. Dive into essential concepts, from classes to middleware, for crafting robust and scalable APIs seamlesslyFri, 08 Dec 2023 13:08:24 GMTJWT authentication in ASP.NET Core Web APIhttps://rajasekar.dev/blog/jwt-authentication-in-aspnet-core-web-api/https://rajasekar.dev/blog/jwt-authentication-in-aspnet-core-web-api/Learn how to implement JWT authentication and role-based authorization in ASP.NET Core Web API with complete example codeMon, 27 Nov 2023 10:00:03 GMTVS Code setup for C# developmenthttps://rajasekar.dev/blog/vs-code-setup-for-csharp-development/https://rajasekar.dev/blog/vs-code-setup-for-csharp-development/Learn how to set up Visual Studio Code for C# development with comprehensive guideSat, 28 Oct 2023 17:16:20 GMTAngular convert UTC date to local datehttps://rajasekar.dev/blog/angular-convert-utc-date-to-local-date/https://rajasekar.dev/blog/angular-convert-utc-date-to-local-date/Need to convert UTC date to local date in Angular? Check out this short and easy solutionWed, 25 Oct 2023 17:19:38 GMTReading Excel data to Data tablehttps://rajasekar.dev/blog/reading-excel-data-to-data-table/https://rajasekar.dev/blog/reading-excel-data-to-data-table/This solution demonstrates how to read an Excel file and convert it into a data table using the ClosedXML library in C#Fri, 20 Oct 2023 14:38:17 GMTImplementing Windows Authentication in .NET Core Web API (short guide with examples)https://rajasekar.dev/blog/implementing-windows-authentication-in-net-core-web-api-short-guide-with-examples/https://rajasekar.dev/blog/implementing-windows-authentication-in-net-core-web-api-short-guide-with-examples/Learn how to add Windows Authentication to your .NET Core Web API easily. Step-by-step guide with practical examplesWed, 30 Aug 2023 07:43:47 GMTGetting started with Entity Framework Core: Building a Sample Projecthttps://rajasekar.dev/blog/getting-started-with-entity-framework-core/https://rajasekar.dev/blog/getting-started-with-entity-framework-core/Discover the benefits of Entity Framework Core with a sample project. Simplify database interactions and boost productivity in your .NET applications.Mon, 10 Jul 2023 14:42:49 GMTNew Features in .NET 8 (with examples)https://rajasekar.dev/blog/new-features-in-net-8-with-examples/https://rajasekar.dev/blog/new-features-in-net-8-with-examples/.NET 8 introduces features that improve developer productivity like ValueTasks, Init only setters, default interface methods, record types, Async disposalTue, 27 Jun 2023 17:29:12 GMTAsynchronous Programming with async/await in C# (with simple example)https://rajasekar.dev/blog/asynchronous-programming-async-await-in-csharp-with-example/https://rajasekar.dev/blog/asynchronous-programming-async-await-in-csharp-with-example/Learn how to write efficient asynchronous code in C# using powerful async/await keywords. Explore simple example that demonstrates their usage and benefitsSun, 11 Jun 2023 17:28:30 GMTParallel.ForEach with HttpClient in C#https://rajasekar.dev/blog/parallel-foreach-with-httpclient-in-c-sharp/https://rajasekar.dev/blog/parallel-foreach-with-httpclient-in-c-sharp/Learn how to use Parallel.ForEach with HttpClient in C# (avoid data issues)Sun, 02 Apr 2023 13:05:05 GMTCurrent and popular topics related to .NET Core.https://rajasekar.dev/blog/current-and-popular-topics-related-to-net-core/https://rajasekar.dev/blog/current-and-popular-topics-related-to-net-core/Current and popular topics related to .NET CoreTue, 24 Jan 2023 17:31:41 GMTAngular material Datetime pickerhttps://rajasekar.dev/blog/angular-material-datetime-picker/https://rajasekar.dev/blog/angular-material-datetime-picker/Integrate angular material datetime picker using @angular-material-components/datetime-picker. It is easy to use, customizable and have good UI/UXSat, 13 Aug 2022 15:05:27 GMTHello Worldhttps://rajasekar.dev/blog/hello-world/https://rajasekar.dev/blog/hello-world/My first post and how I started blogging on my own domain with Hashnode.Sat, 25 May 2019 06:58:18 GMT