Manually Add Error To Validationsummary

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack

Add Error To Validationsummary From Code Behind

Overflow the company Business Learn more about hiring developers or posting ads with us validationsummary add message programmatically Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community add error message to validation summary using jquery of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Add error message to @Html.ValidationSummary up vote 21 down vote favorite 7 I'm using standard MVC3

Add Error Message To Validation Summary Using Javascript

Razor views with unobtrusive Javascript validation, using @Html.ValidationSummary to show them at the top of the form. If the standard validations (things like [Required]) pass, I then run some very custom client-side validation that fires when the user hits the Submit button. (The validation looks across a number of form elements to make sure that the proper set of them have been checked, etc., so it's not as simple as just

Add Error To Validationsummary Mvc

creating a new custom validator for a single field). I'd like the possible error(s) I construct there to be shown in the ValidationSummary list, but I can't figure out how to get the error message to appear there. asp.net-mvc-3 unobtrusive-validation share|improve this question edited Aug 22 '12 at 9:08 Eranga 26.4k36478 asked Oct 24 '11 at 21:10 Kras 2532612 In client-side or server-side? –Javad_Amiry Oct 24 '11 at 21:16 add a comment| 2 Answers 2 active oldest votes up vote 33 down vote In client-side: function YourCustomValidator() { // do your validation logic here via JavaScript return true; // or false based on your validation logic } $(document).ready(function () { // take your own form-selector like ("form", this) $("form", this).first().submit(function () { return (YourCustomValidator() && $(this).valid()); }); }); OR In server-side: Think you have a model like this: public class Test { [Required] [StringLength(100)] public string FullName { get; set; } } and when you are validating it: if(ModelState.IsValid) { // default validations run here if(/* some custom validations run here, there is an error about "FullName" */){ // you should set the "key" for Model-Error to "FullName" ModelState.AddModelError("FullName","error-message goes here") } if(/* some custom validations run here, the error is global, not on "FullName" */){ // you should se

In general, field specific validation shows up next to a control that it is validating (assuming you put the validators next to it). But what about validation that happens in a Domain Service Class or your Custom BLL for example? These exceptions will by add custom validator to validation summary default be caught by the application and show as a nasty error to the user, or

Add Message To Validation Summary Javascript

go to the error page. This is hardly the desired behavior for a validation error. First I like to change the default behavior of bubbling jquery add error message to validation summary up to the application to be caught to being handled at the button or page level. To do this I put a try-catch in my button action or other applicable event that you can tap into. In the catch, it would http://stackoverflow.com/questions/7882008/add-error-message-to-html-validationsummary be ideal to add a custom error message to the ValidationSummary. How do we do that though? Thankfully, it is quite easy to add an item to the ValidationSummary. The key is that the Page has a Validators property that all validators are automatically added to when you put them on your .aspx page. The problem is that we don't have a CustomValidator. Thus we need to create a CustomValidator, but what a pain really since we only want to use it http://justgeeks.blogspot.com/2010/11/adding-item-to-validationsummary.html when we actually have an exception in our BLL. My solution is to create method to encapsulate the logic to create a new CustomValidator and add it to the Page's Validators collection. So that it can easily be accessed on any page, I have implemented it as an Extension to the Page class. Below is the code to do so. namespace MyExtensions { public static class PageExtensions { public static void AddValidationSummaryItem(this Page page, string errorMessage) { var validator = new CustomValidator(); validator.IsValid = false; validator.ErrorMessage = errorMessage; page.Validators.Add(validator); } } } To use this method just put the using MyExtensions; statement at the top of your code-behind of the page that you want to use it on. Then you can do the following: protected void btnSubmit_Click(object sender, EventArgs e) { try { // do some stuff like call my BLL that may throw an exception } catch (Exception ex) { if (ex.Message == "Some key string I want to handle") { Page.AddValidationSummaryItem("Password must be at least 6 characters in length."); } else { throw ex; } } } WARNING: Be careful with what you display to the end user. You should never catch an exception and display the Message directly to the user. It could have information that a hacker can use to compromise your application. UPDATE 5/5/20

Posted on July 4, 2014 by briancaos This trick is especially useful when you have custom code to be executed after your https://briancaos.wordpress.com/2014/07/04/add-custom-text-to-aspvalidationsummary-c/ form have been submitted, and still wishes to communicate an http://forums.asp.net/t/1605230.aspx?Adding+New+Error+Message+to+Validation+Summary+Control error the same way as you communicate form validation errors. Imagine the following ValidationSummary: Any form error is displayed in this summary. When the user clicks your submit button you process the form: protected void btnSubmit_Click(object to validation sender, EventArgs e) { Page.Validate(); if (Page.IsValid) { // do custom processing of form } } But is the processing fails, is it too late to pop the validation summary? Not at all. To do so, add a CustomValidator to your form: And simply set the error message to validation summary in the CustomValidator, inside your btnSubmit_Click: protected void btnSubmit_Click(object sender, EventArgs e) { Page.Validate(); if (Page.IsValid) { bool isOK = ProcessTheFormData(); if (!isOK) { // Optional: Update the summary with a nice header valSummary.HeaderText = "Oops something went wrong"; // Mandatory: Invalidate the custom validator, and set a error message valCustom.IsValid = false; valCustom.ErrorMessage = "A clever error message"; } } } Share this:FacebookTwitterMoreRedditEmailPrintLike this:Like Loading... Related About briancaos Developer at Pentia A/S since 2003. Have developed Web Applications using Sitecore Since Sitecore 4.1. View all posts by briancaos → This entry was posted in c#, General .NET and tagged c#, CustomValidator, validation, ValidationSummary. Bookmark the permalink. ← Disable Sitecore SPEAKdialogs Improve Sitecore Membership provider performance 2-20times → Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using y

ASP.NET Community Standup Forums Help Home/ASP.NET Forums/General ASP.NET/Web Forms/Adding New Error Message to Validation Summary Control Adding New Error Message to Validation Summary Control [Answered]RSS 3 replies Last post Sep 22, 2010 11:16 AM by Ahmed Moosa ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Related Links GuidanceSamplesVideos Reply janets20 Member 19 Points 55 Posts Adding New Error Message to Validation Summary Control Sep 22, 2010 10:17 AM|janets20|LINK Hi, In the code behind based ona condition i want to add a error message to the Validation Control. I tried the below. 'Call function to add error message. protected void AddErrorToValidationSummary(string errorMessage) { CustomValidator custVal = new CustomValidator(); custVal.IsValid = false; custVal.ErrorMessage = errorMessage; custVal.EnableClientScript = false; custVal.Display = ValidatorDisplay.None; this.Page.Form.Controls.Add(custVal); } Regards Janet Reply sansan All-Star 37505 Points 8111 Posts Re: Adding New Error Message to Validation Summary Control Sep 22, 2010 10:44 AM|sansan|LINK Append new text to the last validator in the page. val.ErrorMessage="ValueRequired!!!!\r\n"+"Newappendedtext"; Where val is the last validator in the page and it should display the new message. Santhosh Reply tyrone1964 Member 210 Points 67 Posts Re: Adding New Error Message to Validation Summary Control Sep 22, 2010 10:51 AM|tyrone1964|LINK Hi there, have a look at these articles maybe this is what you want. http://www.developerbarn.com/net-code-samples/39-programmatically-add-item-validation-summary.html http://www.extremeexperts.com/Net/FAQ/DisplayCustomMsgInValidationSummary.aspx Regards Reply Ahmed Moosa Contributor 5455 Points 1231 Posts Re: Adding New Error Message to Validation Summary Control Sep 22, 2010 11:16 AM|Ahmed Moosa|LINK hi First you must know that validation controls repeate themself firston Clientthen onServer , so if you want to use server side code set EnableClientScript = Falseand that is becousethe pagewiil not do Postback to server if set it totrue (it is true by default). so set it false if using Serverside Code. if need Client side Code Like JavaScriptyou can use this Code in Jquery :