This category has 11 topics, 10 replies, and was last updated 7 months, 2 weeks ago by cherylnock280. Forum Topics Posts Freshness Basic and Advanced C# 0 0 No Topics Entity Framework 0 0 No Topics Entity Framework Core 1 2 8 months, 2 weeks ago kevin ASP.NET MVC 0 0 No Topics ASP.NET Core MVC The modifier is not valid in C#. Use language version and greater? (0, 0) 7 12 7 months, 2 weeks ago kevin ASP.NET WEB API 0 0 No Topics ASP.NET Core Web API 1 2 10 months, 3 weeks ago john ASP.NET Core Razor Pages 1 2 1 year, 1 month ago john Others 1 3 1 year, 1 month ago kevin