WebForms UnobtrusiveValidationMode要求为“jquery”编写脚本。请添加一个名为jquery的脚本源代码处理(区分大小写)

I'm building a web application using Visual Studio 2012. I'm attempting to add word count into my textbox. However after adding the the javascript codes and the html codes. I receive the error as stated above.I'm building a web application using Visual Stu