如何在查詢CRM Online時將ASP.NET網頁配置爲使用wsHttpBinding？

Question

查詢CRM Online時，如何配置ASP.NET Web表單以通過wsHttpBinding而不是basicHttpBinding發送請求？

作爲一個背景，這是一個在IIS 8.5本地託管的非常基本的ASPX頁面。
該頁面旨在連接CRM Online並提取一些數據。
編輯：此應用程序通過Azure AD進行身份驗證，因此它使用客戶端ID和密鑰。我想回避使用連接字符串和域憑證，除非這是不可避免的。

我想我已經得到了驗證，CRM正確的，但是當我運行一個查詢我收到以下錯誤：

System.Net.WebException: The remote server returned an error: (415) Cannot process the message because the content type 'text/xml; charset=utf-8' was not the expected type 'application/soap+xml; charset=utf-8'..

我想這是因爲我沒有指定在web.config一個綁定，我的頁面通過basicHttpBinding發送所有內容，CRM Online界面預計爲wsHttpBinding。

我試過使用this MSDN article（及其變體）底部的例子，但它沒有區別。

以下是連接CRM的代碼，以便它有所作爲。顯然我已經模糊了真實的配置細節。

// CONFIGURE OAUTH 
var tenantName = "mycompany.onmicrosoft.com"; 
var authString = string.Format(@"https://login.microsoftonline.com/{0}",tenantName); 
var authContext = new AuthenticationContext(authString, false); 
var clientId = "123ab123-123a-1a23-abcd-1a2345612345"; 
var key = "nStgfrdk0oyaC1P5+/FQ4wGn4fRgUTr8HTKejytf0bv="; 
var clientCred = new ClientCredential(clientId, key); 
var resource = "https://myinstance.crm4.dynamics.com"; 

// ACQUIRE THE AUTH TOKEN 
var authResult = await authContext.AcquireTokenAsync(resource, clientCred); 

// CREATE THE CONNECTION TO CRM 
var orgService = new OrganizationWebProxyClient(
    new Uri("https://dev.crm4.dynamics.com/XRMServices/2011/Discovery.svc"), true) 
    { 
     HeaderToken = authResult.AccessToken, 
     SdkClientVersion = "8.1.0" 
    }; 

// RUNNING THIS QUERY CAUSES THE ERROR 
var contacts = orgService.RetrieveMultiple(new QueryExpression 
{ 
    EntityName = "contact", 
    ColumnSet = new ColumnSet("firstname", "lastname") 
}) 
.Entities 
.Select(item => item.ToEntity<Contact>()); 

下面是情況下，堆棧跟蹤它的使用範圍：

[WebException: The remote server returned an error: (415) Cannot process the message because the content type 'text/xml; charset=utf-8' was not the expected type 'application/soap+xml; charset=utf-8'..] System.Net.HttpWebRequest.GetResponse() +1740 System.ServiceModel.Channels.HttpChannelRequest.WaitForReply(TimeSpan timeout) +75

[ProtocolException: Content Type text/xml; charset=utf-8 was not supported by service https://dev.crm4.dynamics.com/XRMServices/2011/Discovery.svc . The client and service bindings may be mismatched.] System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) +14350190 System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) +388 Microsoft.Xrm.Sdk.IOrganizationService.RetrieveMultiple(QueryBase query) +0 Microsoft.Xrm.Sdk.WebServiceClient.WebProxyClient 1.ExecuteAction(Func 1 action) +51 Quote_Robot_Demo.d__4.MoveNext() +887 System.Runtime.CompilerServices.<>c.b__6_0(Object state) +56 System.Web.Util.SynchronizationHelper.SafeWrapCallback(Action action) +110 System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +13847892 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +61 System.Web.Util.WithinCancellableCallbackTaskAwaiter.GetResult() +32 System.Web.UI.d__523.MoveNext() +7970

編輯：一旦我添加服務參考我在web.config中得到這個：

<system.serviceModel> 
<bindings> 
    <customBinding> 
    <binding name="CustomBinding_IDiscoveryService"> 
     <textMessageEncoding /> 
     <httpsTransport /> 
    </binding> 
    </customBinding> 
</bindings> 
<client> 
    <endpoint address="https://dev.crm4.dynamics.com/XRMServices/2011/Discovery.svc" 
    binding="customBinding" bindingConfiguration="CustomBinding_IDiscoveryService" 
    contract="CRMService.IDiscoveryService" name="CustomBinding_IDiscoveryService" /> 
</client> 
</system.serviceModel> 

Answer 1

雖然我現在有一些其他問題，我發現如何改變綁定。
可以作爲服務引用添加組織服務項目，像我一樣，然後分配這樣的綁定：

orgService.Endpoint.Binding = new CustomBinding("CustomBinding_IOrganizationService"); 

傳遞到自定義綁定的字符串就是從配置所採取的名字：

<system.serviceModel> 
    <bindings> 
    <customBinding> 
     <binding name="CustomBinding_IOrganizationService"> 
     .... 

編輯：我後來發現，改變綁定是沒有必要的。該錯誤似乎是由無效的安全令牌引起的。我改變了生成安全令牌的方式，使用password的grant_type，並且錯誤自行消失。