Library Management System

• Add validation controls Note that

  Modify the Web. config file as follows:

  <appSettings>

  <add key= "Validationsettings:unobtrusivevalidationmode" value= "None"/>

  </appSettings>

Does not appear after modification

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WebForms Unobtrusivevalidationmode needs "JQuery" scriptresourcemapping. Please add a scriptresourcemapping named jquery (case-sensitive). Description: An unhandled exception occurred during the execution of the current WEB request. Check the stack trace information For more information about the error and the source of the error in your code.

Exception Details: System.InvalidOperationException:WebForms Unobtrusivevalidationmode needs "jquery" scriptresourcemapping. Please add a scriptresourcemapping named jquery (case-sensitive).

Source Error:

执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。

Stack trace:

[Invalidoperationexception:webforms Unobtrusivevalidationmode needs "jquery" scriptresourcemapping. Please add a scriptresourcemapping named jquery (case-sensitive). ] System.Web.UI.ClientScriptManager.EnsureJqueryRegistered () +2365285 System.Web.UI.WebControls.BaseValidator.RegisterUnobtrusiveScript (+11 ) System.Web.UI.WebControls.BaseValidator.OnPreRender (EventArgs e) +9641449 System.Web.UI.Control.PreRenderRecursiveInternal () +83 System.Web.UI.Control.PreRenderRecursiveInternal () + 155 System.Web.UI.Control.PreRenderRecursiveInternal () +155 System.Web.UI.Page.ProcessRequestMain ( Boolean Includestagesbeforeasyncpoint, Boolean includestagesafterasyncpoint) +974

Version information: Microsoft. NET Framework Version: 4.0.30319; ASP. NET version: 4.5.27.0

Library Management System