<ul><li>1. Not Using Dependency Injection Properly: Register services correctly and stick to constructor injection with the correct lifetime.</li><li>2. Forgetting to Validate User Input: Use model validation attributes like [Required], [StringLength], and [EmailAddress].</li><li>3. Hardcoding Configuration Settings: Avoid hardcoding settings like connection strings by using appsettings.json and IConfiguration.</li><li>4. Ignoring Asynchronous Programming: Utilize async/await properly to prevent deadlocks and enhance scalability.</li></ul>

10 Common Mistakes in ASP.NET Core and How to Avoid Them

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