远程服务器返回错误：（400）从Web服务获取响应时请求错误

Question

我已经消耗了在servicenow中创建的肥皂wsdl。但是在获取响应时，我收到错误的请求错误消息。 早些时候我遇到了代理错误（无法连接到远程登录），但是在提供了代理地址后，该错误已得到解决，但又得到了新的错误-错误的请求错误。

代码如下：

WebProxy proxyObject = new WebProxy（“ http：// ****”，true）;

    Service soapClient = new Service();
    
    System.Net.ICredentials cred = new System.Net.NetworkCredential("Userid", "Pswd");
    proxyObject.UseDefaultCredentials = true;
    soapClient.Credentials = cred;
    soapClient.Proxy = proxyObject;


    Service.execute execute = new Service.execute();
    Service.executeResponse response = new Service.executeResponse();
    string assetTag = "xyz";
    execute.asset_tag = assetTag;

    
        response = soapClient.execute(execute);