New posts in Asp.Net Core 3.0

System.InvalidCastException: 'The SqlParameterCollection only accepts non-null SqlParameter type objects, not SqlParameter objects.'

Display a timer in Blazor

ASP.NET Core 3.0 [FromBody] string content returns "The JSON value could not be converted to System.String."

'ConfigureServices returning a System.IServiceProvider isn't supported.'

Identity asp.net core 3.0 - IdentityDbContext not found

Issues with swagger after migrating to .NET Core 3.0

Best way to integrate webpack builds with ASP.NET Core 3.0?

Application is running inside IIS process but is not configured to use IIS server .NET Core 3.0

JsonResult(object) causes "The collection type 'Newtonsoft.Json.Linq.JToken' is not supported."

ASP.NET Core 2.2 -> 3.0 upgrade. env.IsDevelopment() not found