错误源：WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a ScriptResourceMapping named jquery(case-sensitive).

Server Error in '/' Application.

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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).
Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

错误原因：

　　页面中使用了服务器验证控件，如<asp:RequiredFieldValidator ID="requiredFieldValidator1" runat="server" ControlToValidate="txtTitle" ErrorMessage="请填写标题！"></asp:RequiredFieldValidator>

解决办法：

　　参考：http://www.cnblogs.com/luckly-hf/archive/2013/09/10/3312628.html  

　　或者删除页面中的服务器验证控件,使用自己写的js方式的验证用户输入。