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POChange default "The {0} field is required" (ultimate solution?)
 

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  1. POChange default "The {0} field is required" (ultimate solution?)
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    <p>Good day!</p> <p>I've the following ViewModel class I use for login form:</p> <pre><code>using System.ComponentModel.DataAnnotations; ... public class UserLogin : IDataErrorInfo { [Required] [DisplayName("Login")] public string Login { get; set; } [Required] [DisplayName("Password")] public string Password { get; set; } [DisplayName("Remember Me")] public bool RememberMe { get; set; } #region IDataErrorInfo Members // This will be a Model-level error public string Error { get { if (!WebUser.CanLogin(Login, Password)) { return Resources.ValidationErrors.InvalidLoginPassword; } else { return String.Empty; } } } // All is handled by DataAnnotation attributes, just a stub for interface public string this[string columnName] { get { return string.Empty; } } #endregion } </code></pre> <p>And this in <code>Global.asax</code>:</p> <pre><code>DefaultModelBinder.ResourceClassKey = "BinderMessages"; ValidationExtensions.ResourceClassKey = "BinderMessages"; </code></pre> <p>The resource file <code>BinderMessages.resx</code> is placed inside App_GlobalResources it has two keys <code>InvalidPropertyValue</code> (which works) and <code>PropertyValueRequired</code> which doesn't and gives me default message.</p> <p>Question: Is it possible to modify this message, or it's tied to DataAnnotations? </p> <p>I've found many posts about this, but without solution. For now I just fallback to this:</p> <pre><code>[Required(ErrorMessageResourceType = typeof(Resources.ValidationErrors), ErrorMessageResourceName = "Required")] </code></pre>
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    1. USartvolk
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      1. POChange default "The {0} field is required" (ultimate solution?)
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    1. COThe problem left though, is what if you left Login and Password blank? The program aborts with object not set.
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    2. COWhy do you think so? The model binder will instantiate a `UserLogin` object instance anyway.
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