ASP.NET to ASP.NET Core Migration

@n2rtechnologies

Hi, I've migrated enterprise ASP.NET Framework apps to Core multiple times — it's a straightforward process when done right. I noticed you're working with MVC and SQL Server, which means we'll keep your data layer intact and focus on the framework swap cleanly. I have delivered 1500+ web and mobile projects over 14+ years — happy to share relevant examples. Send over the app details and I'll give you a realistic scope and timeline. Thanks, Hasan

@devendrathakur12

Hi, I've done 4.8-to-Core migrations before: rebuilding controllers and routing into Razor Pages, swapping out the dead third-party packages, and keeping the SQL Server side untouched so data integrity is never in question. Where Core gives easy wins on performance and security, I'd take them, but never at the cost of changing behavior you rely on. I'd genuinely want that architecture chat before starting — it's the fastest way to spot the modules that'll fight the migration. I'll share similar work and a clean module-by-module plan. Best, Dev S.

@WishingBell

Hi, I can help migrate your ASP.NET Framework 4.8 enterprise application to a modern ASP.NET Core Razor-based architecture while preserving the existing business logic and system behavior. I have strong experience with ASP.NET MVC/Web Forms, ASP.NET Core, Razor Views/Pages, SQL Server, Entity Framework, dependency upgrades, routing migration, appsettings configuration, authentication updates, and production deployment preparation. My approach would be careful and structured: • Review the current solution, modules, dependencies, and database flow • Create a clear migration plan before coding • Rebuild controllers, routing, views, and configuration in ASP.NET Core • Preserve business logic and database integrity • Replace outdated packages safely • Improve performance/security where possible • Test build, run, publish, and deployment readiness Why hire me? Because migration work requires stability, not shortcuts. I focus on clean architecture, zero feature loss, readable code, and a production-ready result that your team can maintain after delivery. I can review the existing architecture first and provide a practical migration plan before implementation. I am looking forward to work with you. Kind regards. Andrew

@ZohaibRoy

⭐⭐⭐⭐⭐ Migrate Your ASP.NET Application to Modern ASP.NET Core Razor ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you are looking for an ASP.NET migration expert. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar migration projects. I will analyze your existing application and ensure a smooth transition to ASP.NET Core while keeping all features intact. ➡️ Why Me? I can easily migrate your ASP.NET Framework 4.8 application to ASP.NET Core as I have 5 years of experience in web application development, focusing on ASP.NET, Razor, and SQL Server. My expertise includes analyzing legacy systems, rebuilding UI structures, and ensuring database integrity. I also have a strong grip on modern best practices for performance and security. ➡️ Let's have a quick chat to discuss your project details. I can provide samples of my previous work and show how I can ensure a clean and efficient migration. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ ASP.NET Framework ✅ ASP.NET Core ✅ Razor Pages ✅ UI Development ✅ SQL Server ✅ Application Migration ✅ Code Optimization ✅ Configuration Management ✅ Third-party Integration ✅ Business Logic Maintenance ✅ Performance Enhancement ✅ Security Best Practices Waiting for your response! Best Regards, Zohaib

@intemo

hello! I offer you my skills oand knowleadge for your project. I have a long term experiences for asp.net (full line of project's types) project. I'm expert for MS SQL SERVER (fulls tack). I'm ready to transform your project to as[.net Core sd you described. As I understood your project created on old MVC structure. For this reason I suggesting to use Razor Views as classical idea for.

@Tanmoy236

Warm greetings! I specialize in ASP.NET and .NET Core migration projects with 9+ years of experience delivering stable, production-ready enterprise applications. I can help you modernize your ASP.NET Framework 4.8 system into a clean ASP.NET Core Razor architecture while preserving all existing business logic and functionality. Here’s how I can help: * Analyze and migrate controllers, routing, Razor Views/Pages, and dependencies * Upgrade outdated packages and optimize configuration structure * Ensure SQL Server compatibility, data integrity, and deployment readiness * Improve application performance, maintainability, and security standards I’ve worked with ASP.NET MVC, .NET Core, SQL Server, and enterprise-grade migrations focused on zero disruption and clean deployment workflows. Could you share the approximate project size, third-party integrations, and current hosting environment?

@mandavcon

Hi, I checked your requirement carefully and this is something I can help with. I have more than 10 years of experience working with ASP.NET Framework, ASP.NET Core, C#, SQL Server, Razor Pages, MVC architecture, Angular, and enterprise application development. From your requirement, I understand the main goal is: * stable migration from ASP.NET Framework 4.8 to ASP.NET Core * preserving all existing functionality * maintaining database compatibility * improving maintainability and performance I’m comfortable working with: * ASP.NET Framework to .NET Core migration * Razor Views / Razor Pages * SQL Server and Entity Framework * routing and controller restructuring * package and dependency upgrades * configuration migration Before starting, I would first review the current architecture, third-party dependencies, authentication flow, and database structure to prepare a proper migration approach and identify any compatibility risks early. I understand the importance of keeping the current behavior intact during migration, especially in enterprise applications. The mentioned budget looks reasonable for the initial discussion phase, and once I review the current solution structure and module complexity, we can finalize the exact scope, timeline, and effort estimation accordingly.

@mobiwebsolutions

✋ Hi There!!! ✋ The Goal of the project:- Migrate a legacy ASP.NET Framework 4.8 enterprise application to a clean, production ready ASP.NET Core Razor architecture without breaking existing functionality. I carefully read your requirement for full migration including controllers, routing, UI rebuild, SQL Server compatibility, and improved performance with secure, maintainable code. I am the right fit because I specialize in .NET modernization and safe enterprise migrations. * Migrate ASP.NET Framework 4.8 application to ASP.NET Core with Razor structure * Rebuild controllers, routing, configuration, and maintain full business logic * Ensure SQL Server compatibility, performance improvement, and deployment readiness I provide UI support, database management, testing, and full source code delivery with documentation. I have 9+ years experience as a full stack developer and have completed similar ASP.NET to .NET Core migration projects. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!

@Jairo51019

https://www.freelancer.com/projects/dot-net-core/Formulario-Blazor-con-Roles/reviews Please check my profile, I am sure you can notice I am senior ASP.NET developer. With over 8 years of solid experience in web development, handling both front-end and back-end technologies I am confident that I can successfully migrate your existing ASP.NET framework application to ASP.NET Core Razor-based architecture. I have an extensive background in .NET development including C# programming and have undergone several successful migrations. I will develop on VS2026 and use .NET 10 version. Let's rejuvenate your web application together!

@TechWagger2026

As an experienced developer with over 14 years in the field, I have successfully delivered more than 416 projects involving many different technologies - including migrations of ASP.NET applications to ASP.NET Core platform. I recognize the importance of maintaining full functionality and system behavior throughout the migration, while also emphasizing clean code that follows best practices. Having detailed understanding of the ASP.Net Framework 4.8 as well as lesser obvious aspects such routing and UI structure, I am confident I can execute this migration efficiently and effectively. Ensuring database compatibility and integrity is crucial during such upgrade, but with my thorough knowledge of SQL Server, your data will be kept safe and sound. Besides delivering a production-ready solution that is ready to deploy immediately after migration, my aim is also to augment performance and security wherever possible. Furthermore, my capability in full-stack development and Microsoft tech like VB.NET, C# MVC, Azure SQL Server will empower me to deliver an all-needs-covered project on time. My mission is always to help business scale and thrive with modern tech solutions; let's make this migration a win for your business.

@agrasth

Dear Sir, I have more than 25 years experience in ASP.NET, .NET Core, SQL Server and allied technologies. I have worked extensively on both ASP.NET and .NET Core MVC platform. I am confident to handle this application migration though I would like to know how big the current application is. I hope you are aware that conversion to .NET Core MVC involves complete rewrite of the entire front end of the system.. though we have some advantage of being able to retain database logic and logic contained in .cs files. In case you need any clarifications, please feel free to contact us. Thanking you and best regards Sanjay Kaul

@mugencodes

Hi, great to meet you. Many of my recent projects were developed using Web Development, ASP.NET, ASP.NET MVC, C# Programming, Database Management, Software Development, allowing me to deliver robust and efficient applications. I am project manager of software agency. we have many years of development experience in Web Development, ASP.NET, ASP.NET MVC, C# Programming, Database Management, Software Development and I have completed similar projects. Feel free to visit our website to check our team and portfolio. If this sounds good, have a meeting to discuss about your project in detail. Regards, Jayabrata Bhaduri

@Appworldz

Hey, Sahanaj here. I have handled ASP.NET Framework to ASP.NET Core migrations before, including enterprise systems with legacy dependencies, Razor view restructuring, authentication updates, SQL Server compatibility handling, and package modernization. The most important part of these migrations is preserving business behavior while carefully refactoring configuration, routing, dependency injection, and outdated libraries without introducing regressions. I normally approach this in phases, starting with architecture assessment, dependency mapping, migration strategy, then module by module stabilization and testing. Your proposed 6 to 8 week timeline is realistic for a structured migration. However, the listed budget is significantly below market reality for a production grade enterprise migration of this scope. A more realistic budget range is around 2.5 to 5 lakh INR depending on application size, third party dependencies, and authentication complexity. I can also help ensure the final solution is deployment ready with clean CI friendly structure, environment configs, and maintainable architecture for long term scalability.

@karlandreib

Hi there, I'm Karl Andrei, a seasoned web developer with a multifaceted skill set that revolves around Laravel, Codeigniter, CakePHP, nodejs, Django, Ruby on Rails, to name just a few. With over [insert relevant years of experience] of hands-on expertise in the domain of both front-end and back-end development, my focal point is delivering dynamic and user-centric websites that elevate the digital experience. The migration you're seeking from the older ASP.NET Framework 4.8 to a modernized ASP.NET Core architecture aligns smoothly with my area of proficiency. I have extensively worked with Microsoft SQL Server which ensures absolute database compatibility and data integrity during migrations. The importance of maintaining all existing functionalities without any disruption is something I can emphasize enough and will ensure a clean and stable migration. Happy to discuss the current system architecture. All the best, Karl

@craigd43

With over X years of experience in full-stack web development and a deep understanding of C# programming, I am confident that I can seamlessly handle the migration process for your enterprise web application. My proficiency extends to other relevant technologies such as PHP, Node.js, and Vue.js, which ensure a versatile approach to complex tasks. Aside from my technical prowess, I acknowledge the fundamental importance of maintaining existing functionality without disruptions during a migration project. I am well-versed in handling large-scale migrations and can guarantee that your upgraded solution will be fully functional with no loss of data or degraded performance. My priority would be ensuring smooth navigation of the recent ASP.NET Core environment while preserving your previous business logic and features. Finally, with my stringent commitment to deadlines, you can trust that your project will be delivered within or even before the allocated timeframe. I am ready to start by analyzing your existing solution and forming a clear plan for migration. Let's work together to create a cutting-edge yet familiar system, ready to be deployed without errors at the conclusion of this project!

@rbtech1984

Hello There!!! ★★★★ ( Production-ready ASP.NET 4.8 to ASP.NET Core migration with Razor architecture & SQL Server compatibility ) ★★★★ I have carefully read your project details and understand that you need a smooth migration of your existing ASP.NET Framework 4.8 enterprise application into a modern ASP.NET Core Razor-based solution while keeping all current features and business logic fully intact. The main focus is stability, clean architecture, deployment readiness, and zero disruption to existing workflows. ⚜ ASP.NET Framework 4.8 to ASP.NET Core Migration ⚜ Razor Views / Razor Pages Development ⚜ MVC Controllers & Routing Rebuild ⚜ SQL Server Database Compatibility ⚜ Third-party Package Upgrade & Cleanup ⚜ Performance & Security Improvements ⚜ Build, Publish & Deployment Ready Solution My approach will be to first analyze the current architecture, identify dependencies/modules, then migrate step-by-step with testing after each phase to avoid any unexpected issues. I can also help optimize configurations, security, and performance during the process. I would be happy to discuss the current system architecture and modules in detail before starting. Looking forward to hearing from you soon. Warm Regards, Farhin B.

@negaboys

I am expertise in developing enterprise applications and have done dotnet 4.8 to .NET core latest migration. Migrate to Clean Architecture and latest Razor page. You can pay me once verified the results. IM in freelancer to discuss the details

@rishabh58

Hello! I understand you're looking to migrate an existing enterprise web application from ASP.NET Framework 4.8 to a modern ASP.NET Core architecture. The goal is to not only ensure a smooth transition but also maintain the current functionality while enhancing performance and security. This is crucial for your enterprise use, and I appreciate your emphasis on clean code and maintainability. With a solid background in full-stack development and experience in both ASP.NET and ASP.NET Core, I'm well-equipped to tackle this project. I have successfully migrated applications in the past, ensuring minimal disruption and robust functionality throughout the process. My focus will be on analyzing your current solution thoroughly to create a structured migration plan that preserves your application's integrity. For this migration, I suggest starting with a detailed analysis of the existing codebase, after which I'll methodically rebuild the controllers, routing, and UI structure using Razor Pages. I'll also ensure all configurations are updated, optimize database interactions for compatibility, and implement best practices for clean and maintainable code. Key deliverables will include: - Comprehensive migration of existing features and functionality - Upgraded controllers, views, and dependencies - Performance improvements and security enhancements - A production-ready application structure with a clear deployment strategy I estimate the project will take about 6–8 weeks, based on the complexity involved. Could you please share any specific third-party packages currently in use? This information will help in planning the migration more effectively. I'm excited to discuss how I can help with this transition to a modern architecture! Regards, Rishabh

@SkillCrafts

I understand you need to migrate your ASP.NET Framework 4.8 enterprise application to ASP.NET Core, ensuring all existing functionality remains intact. My experience with .NET migration projects, including similar large-scale application transitions, has equipped me with the precise strategies needed to achieve a seamless and stable outcome, mirroring the success of previous projects where we achieved zero downtime during critical system upgrades. My approach will involve a thorough static code analysis of your current ASP.NET Framework 4.8 solution using tools like .NET Portability Analyzer and the built-in analyzers in Visual Studio to identify compatibility issues and areas requiring refactoring. We'll then leverage the ASP.NET Migration Assistant for .NET Core, followed by manual adjustments for any framework-specific dependencies or patterns. This will include a systematic conversion of Web Forms or MVC to Razor Pages/Views, ensuring data access layers are compatible with Entity Framework Core, and updating authentication/authorization mechanisms. Unit and integration tests will be crucial throughout to validate functionality and stability. To ensure we're fully aligned, could you clarify if the application utilizes any specific third-party libraries or custom components that have known compatibility challenges with ASP.NET Core? Also, what is the current testing framework in place for the ASP.NET Framework application? I'm confident in delivering a robust and fully functional ASP.NET Core application. I'm available for a brief call to discuss this further and answer any immediate questions you might have.