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AppConfig" type initializer causes an exception "The given key was not present in the dictionary." when passing null non-Route paramater to ActionLink "The LINQ expression node type 'Invoke' is not supported in LINQ to Entities" when using PredicateBuilder, help please (@Html.DropDownListFor) ...
You convert a DateTime to a string and then back to a DateTime. But the "DateTime" datatype doesn't use any particular format. It is just that the same DateTime value can be shown differently when converted to text as not all countries are using the same conventions for the SAME value....
You declare an interface in the PCL project where you expose a method to calculate the text length. You can implement this interface in the Forms android,iOS and Windows projects.You pass the text to the individual platform specific implementation, where you create a equivalent view ( TextView...
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We have a person model with one field Occupation which is a Enum, its throwing error in swagger and , if I change to string ,no error. is there any way I can use the enum as model field and apply required field validation that, user can only enter the values matching to the enum ...
That's strange, in my case I am not even able to debug the custom validation filter while testing through postman and I leave some model errors.Wednesday, October 21, 2020 10:24 AMI have used an instance of a "Problem" class:[HttpPost] public async Task<IActionResult> Login(...
Display an array in a View using ViewBag using MVC5 and Entity Framework 6.x Display an image to edit View in MVC 5 Display Bitmap in Image Control display bootstrap datepicker below textbox Display calculated age in data annotation ASP.NET MVC 5 Display data on click button based on dro...
If this is about this DLL being used in a .NET non Core classlib project, then you could convert the project to .NET Standard to be able to use .NET within a .NET Standard project and using the Standard project as a proxy for the .NET Core project....
There is a React app which calls my web API methods to retrieve necessary data. There is also a file uploader in the app which calls, for example, http://localhost/api/stream/fileUpload. I need to show a progress bar displaying the percentage the file is uploaded in the back-end. H...