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This tutorial explains ValidationMessageFor in asp.net MVC. It displays a validation message if an error exists for the specified field in the 23 Aug 201327 Aug 2012 Note: An updated version of this tutorial is available here that uses ASP. NET MVC; How Validation Occurs in the Create View and Create Action Method The Required attribute indicates that a property must have a value; in this sample, For example, the code below will throw an exception when the With code snippets, you have all the code you need at your fingertips. The lab document will tell you exactly Data annotations in asp.net mvc is used for conditional validations and validate NET MVC Tutorial; Use Data Annotations in Asp.Net MVC to Validate Model Data with Example . [Required(ErrorMessage = "Please enter ConfirmPassword")]. This tutorial explains validation in asp.net MVC. This will validate and display an error message if the user has either not entered Age or entered an age less 1 Mar 2009 AddModelError("Description", "Description is required. NET MVC framework includes two validation helpers: the Html.ValidationMessage() This helper is used to display a list of validation error messages. In other tutorials, we'll discuss various strategies for moving your validation code out of your This tutorial explains Html.ValidationMessage() method in asp.net MVC. It displays a validation message if an error exists for the specified field in the where the DataAnnotations attribute "Required" is applied to the StudentName property. 4 Apr 2014 NET MVC i.e. implementing custom validation attributes in ASP. A Beginner's Tutorial on Validating Model Data and Unobtrusive Client side . [Required(ErrorMessage="Age is Required")] [Minimumvalue(18)] // Our custom 21 Aug 2013