WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for jquery

Question

In my web application I get the following error      WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping   for  jquery   Please add a ScriptResourceMapping named   jquery case-sensitive        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        Exception Details  System InvalidOperationException  WebForms   UnobtrusiveValidationMode requires a ScriptResourceMapping for    jquery   Please add a ScriptResourceMapping named   jquery case-sensitive     How can I solve it

User · Answer

Right click on your website go to property pages and check both the check-boxes under Accessibility validation click on ok  run the website

User · Answer

Jaqen H ghar is spot-on  A third way is to    Go to Manage NuGet Packages Install Microsoft jQuery Unobtrusive Validation Open Global asax cs file and add this code inside the Application Start method   Code that runs on application startup   ScriptManager ScriptResourceMapping AddDefinition  jquery   new ScriptResourceDefinition       Path      Scripts jquery validate unobtrusive min js       DebugPath      Scripts jquery validate unobtrusive min js

User · Answer

Since  NET 4 5 the Validators use data-attributes and bounded Javascript to do the validation work  so  NET expects you to add a script reference for jQuery  There are two possible ways to solve the error   Disable UnobtrusiveValidationMode  Add this to web config   lt configuration gt       lt appSettings gt           lt add key  quot ValidationSettings UnobtrusiveValidationMode quot  value  quot None quot    gt       lt  appSettings gt   lt  configuration gt   It will work as it worked in previous  NET versions and will just add the necessary Javascript to your page to make the validators work  instead of looking for the code in your jQuery file  This is the common solution actually   Another solution is to register the script  In Global asax Application Start add mapping to your jQuery file path  void Application Start object sender  EventArgs e            Code that runs on application startup     ScriptManager ScriptResourceMapping AddDefinition  quot jquery quot        new ScriptResourceDefinition               Path    quot   scripts jquery-1 7 2 min js quot           DebugPath    quot   scripts jquery-1 7 2 js quot           CdnPath    quot http   ajax aspnetcdn com ajax jQuery jquery-1 4 1 min js quot           CdnDebugPath    quot http   ajax aspnetcdn com ajax jQuery jquery-1 4 1 js quot              Some details from MSDN   ValidationSettings UnobtrusiveValidationMode Specifies how ASP NET globally enables the built-in validator controls to use unobtrusive JavaScript for client-side validation logic  If this key value is set to  quot None quot   default   the ASP NET application will use the pre-4 5 behavior  JavaScript inline in the pages  for client-side validation logic  If this key value is set to  quot WebForms quot   ASP NET uses HTML5 data-attributes and late bound JavaScript from an added script reference for client-side validation logic

User · Answer

To fix this problem on specific page need to set some validation settings when page loading  Write code below in Page Load   method   protected void Page Load object sender  EventArgs e                ValidationSettings UnobtrusiveValidationMode   UnobtrusiveValidationMode None          Its work for me in  NET 4 5

User · Answer

Further to the accepted answer  I ran into issues with code elsewhere on my site requiring jQuery along with the Migrate Plugin   When the required mapping is added to Global asax  when loading a page requiring unobtrusive validation  for example a page with the ChangePassword ASP control   the mapped script resource conflicts with the already-loaded jQuery and migrate scripts   Adding the migrate plugin as a second mapping solves the issue      required for UnobtrusiveValidationMode introduced since ASP NET 4 5 var jQueryScriptDefinition   new ScriptResourceDefinition       Path      Plugins Common jquery-3 3 1 min js   DebugPath      Plugins Common jquery-3 3 1 js   LoadSuccessExpression    typeof window jQuery       undefined      var jQueryMigrateScriptDefinition   new ScriptResourceDefinition       Path      Plugins Common jquery-migrate-3 0 1 min js   DebugPath      Plugins Common jquery-migrate-3 0 1 js   LoadSuccessExpression    typeof window jQuery       undefined      ScriptManager ScriptResourceMapping AddDefinition  jquery   jQueryScriptDefinition   ScriptManager ScriptResourceMapping AddDefinition  jquery   jQueryMigrateScriptDefinition

User · Answer

I think this is the best solution for this type error   So please add below  line   Also it work my code when I am using MSVS 2015    lt configuration gt         lt appSettings gt           lt add key  ValidationSettings UnobtrusiveValidationMode  value  None    gt       lt  appSettings gt   lt  configuration gt

User · Answer

The exception indicates a problem with the unobtrusive JavaScript validation mode  This issue is not Sitefinity specific and occurs in any standard ASP NET applications when the project targets  NET 4 5 framework and the pre-4 5 validation is not enabled in the web config file   Open the web config file and make sure that there is a ValidationSettings UnobtrusiveValidationMode in the app settings     lt appSettings gt     lt add key  ValidationSettings UnobtrusiveValidationMode  value  None    gt   lt  appSettings gt

[c#] WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for jquery

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