C#WebService跨域问题

Web.config中system.web节点下添加

<webServices>
  <protocols>
    <add name="HttpGet"/>
    <add name="HttpPost"/>
    <add name="HttpSoap"/>
    <add name="Documentation"/>
  </protocols>
</webServices>

configuration节点下添加

<system.webServer>
  <httpProtocol>
    <customHeaders>
      <add name="Access-Control-Allow-Methods" value="OPTIONS,POST,GET"/>
      <add name="Access-Control-Allow-Headers" value="x-requested-with,content-type"/>
      <add name="Access-Control-Allow-Origin" value="*"/>
    </customHeaders>
  </httpProtocol>
</system.webServer>

重新发布重启网站

来源：https://www.cnblogs.com/houzps/p/12652289.html