Jquery.validate Authentication (Support front-end JS authentication pass, then AJAX background data check) two

Jquery.validate Why the source code inside the DataType: "JSON" it?

Because he matched the messages. The following remote property verification failure will work, and most importantly, I put dataType: "JSON" after the form is not submitted, validation failed, and then I can only follow the official wording.

 　　   PublicJsonresult Chackvaluesloginaccount () {BOOLSuccess =false; varLoginaccount = request.form["Loginaccount"].      ToString (); varUSERTEMP = conn. Userinfo.where (X = X.loginaccount = =loginaccount).      FirstOrDefault (); if(usertemp==NULL) {Success=true; }      Else{Success=false; }      returnJson (Success, Jsonrequestbehavior.allowget); }

Jquery.validate Authentication (Support front-end JS authentication pass, then AJAX background data check) two