August 2018
Intermediate to advanced
298 pages
5h 33m
English
Content preview from ASP.NET Core 2 Fundamentals
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Updating the ViewModel to Display the Validation Error Message
For each of the fields, we have added a span tag where the error message is displayed in a red color when the validation fails. When the validation succeeds, there will be no error message displayed. The attribute value of asp-validation-for represents the field name for which the validation error message has to be displayed. For example, we have used the span tag with the asp-validation-for attribute and with the Name value, which tells ASP.NET MVC to display the validation error message for the Name field.
Views/Employee/Index.cshtml looks as follows:
Go to https://goo.gl/k9JMRf to access the code.
@model MVCEF.ViewModels.EmployeeAddViewModel@* //For more information on enabling ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.