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Custom Validator Not Showing In Validation Summary

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Custom Validator Does Not Display Error Message

Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; custom validator message not showing in validation summary it only takes a minute: Sign up CustomValidator message doesnt show up up vote 5 down vote favorite 1 I've a CustomValidator and I defined every possible parameter of it: PS: I've a RequiredFieldValidator for same textbox and I dont want to check empty value. compare validator not showing error message Here are other objects of the form:

protected void isExist(object sender, ServerValidateEventArgs args){ if (cre.member.isExist(args.Value)){ args.IsValid = false; } else { args.IsValid = true; } } When I put an email already exist in the db table * appears on the form, but the error message doesnt show up. I tried all display options for custom error but no luck. c# asp.net share|improve this question edited Mar 16 at 19:59 afuzzyllama 4,77342854 asked Dec 19 '12 at 20:02 dvdmn 2,30112543 add a comment| 2 Answers 2 active oldest votes up vote 4 down vote accepted I took the code exactly as in your question. Changing Display="None" to Display="Dynamic" in the asp:CustomValidator causes the asterisk to appear. Changing ShowSummary="false" to ShowSummary="true" in the asp:ValidationSummary causes the error message to appear in the summary. share|improve this answer answered Dec 19 '12 at 20:14 Carson63000 3,26311534 I reali

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Asp Customvalidator

Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions http://stackoverflow.com/questions/13960264/customvalidator-message-doesnt-show-up Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why The error message for custom http://stackoverflow.com/questions/4704601/why-the-error-message-for-custom-validator-is-not-shown-in-message-box validator is not shown in message box? up vote 1 down vote favorite I have tried in many way but the error message for custom validator is not shown in validation summary but it(ValidationSummary) shows error message for every other type of validator. <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Expt_Custom Validator.aspx.cs" Inherits="Expt_Custom_Validator" %> Untitled Page



https://msdn.microsoft.com/en-us/library/9eee01cx(VS.80).aspx Benefits Administrators Students Microsoft Imagine Microsoft Student Partners https://bytes.com/topic/asp-net/answers/327918-custom-validator-doesnt-show-error-message-but-shows-server-error ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Retired content Samples We’re sorry. The content you requested has been removed. You’ll be auto redirected in custom validator 1 second. General Reference ASP.NET Reference Validation Server Control Syntax Validation Server Control Syntax CustomValidator Control (General Reference) CustomValidator Control (General Reference) CustomValidator Control (General Reference) Base Validation Control Properties Base Compare Validation Control Properties CompareValidator Control (General Reference) CustomValidator validator not showing Control (General Reference) RangeValidator Control (General Reference) RegularExpressionValidator Control (General Reference) RequiredFieldValidator Control (General Reference) ValidationSummary Control (General Reference) TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Recommended Version This documentation is archived and is not being maintained. CustomValidator Control (General Reference) .NET Framework 2.0 Other Versions Visual Studio 2010 .NET Framework 4 Visual Studio 2008 .NET Framework 3.5 .NET Framework 3.0 .NET Framework 1.1 Evaluates the value of an input control to determine whether it passes customized validation logic. Copy

Ask a Question Need help? Post your question and get tips & solutions from a community of 418,475 IT Pros & Developers. It's quick & easy. Custom validator doesnt show error message but shows server error P: n/a pmud Hi, I am using a compare validator in asp.net application(c# code). This Custom validator is used for comparing a value enterd by the user against the primary key in the SQL database. IF the VALUE ENTERED BY THE USER EXISTS IN THE DB , then THE ERROR MESSAGE OF THE COMPARE VALIDATOR SHOULD BE DISPLAYED. For this, I used the reference artiicle "http://msdn.microsoft.com/library/default.asp?url=/library/en- us/vbcon/html/vbtskvalidatingagainstvaluesindatabase.asp" . But it doesnt work i.e, when i enter a value(which already exists in the database) in the text box & hit submit, the Validation summary DOESNT SHOW ERROR MESSAGE. Instead, I get the error as:: Server Error in '/NEW' Application. Violation of PRIMARY KEY constraint 'PK_FormFields'. Cannot insert duplicate key in object 'FormFields'. The statement has been terminated. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. RATHER THAN THE USER BEING SHOWN THIS Server error page, I want the CUSTOM VALIDATOR TO CHECK IF THE VALUE ALREADY EXISTS IN THE DATABASE,then THE VALIDATION SUMMARY SHOULD SHOW ERROR. My code is:: private void CustomValidator2_ServerValidate(object source,System.Web.UI.WebControls.ServerValidateEve ntArgs args) { DataView dv= new DataView(); dv=dsValidate1.Tables[0].DefaultView; string asi; args.IsValid=true; foreach(DataRowView datarow in dv) { // Extract asi from the current row asi = datarow["Alias"].ToString(); // Compare asi against user's entry if (asi == args.Value) { args.IsValid = false; } } } Any help is appreciated. Thanks -- pmud Nov 19 '05 #1 Post Reply Share this Question 8 Replies P: n/a Axel Dahmen Obviously your validator never executes "args.IsValid = false;". I'd suggest to set a breakpoint into the validator function to see why the comparison never reaches the if-body. Did you call Validate() at the beginning of your Page_Load() event? HTH, Axel Dahmen -- www.sportbootcharter.com ------------------- "pmud"

 

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