客戶關係管理2011年：插件 - 無法加載文件或程序集'Microsoft.Xrm.Client'

我期待建立一個相當簡單的插件，計算剩餘使用的「單位」數量&。我有兩個自定義實體bc_learninglicences & bc_llbalance，插件在創建bc_llbalance時觸發，另一個用於更新。客戶關係管理2011年：插件 - 無法加載文件或程序集'Microsoft.Xrm.Client'

bc_llbalance: Contains 
    bc_learninglicense (Look up field on bc_learninglicences/bc_name) 
    bc_units (units that are used by this record) 

bc_learninglicences: Contains 
    bc_name 
    bc_unitsquantity (This is set to the total qty of units) 
    bc_unitsused (this needs to inherit the sum of "bc_units" on "bc_llbalance") 
    bc_unitsremaining (simply bc_unitsquantity - bc_unitsused)

好了，所以我已經包括這正如我剛纔一直在試圖找出如何讓bc_unitsused繼承的總和顯然沒有完成的代碼... 這個代碼生成沒有錯誤。然而CRM錯誤：LearningLicenses.LearningLicenses：

從插件（執行）意外異常System.IO.FileNotFoundException：未能加載文件或程序集「Microsoft.Xrm.Client，版本= 5.0.9690.2165

我有一個短的期限內建立這個作爲系統是由於住淳去，但我不能與這個錯誤，我不明白前進......

要麼錯誤或代碼幫助/解決方案將讚賞在這一點上，因爲我在這個項目的時間框架後面。

p.s我是新開發的CRM 2011，只有幾周/幾個項目經驗。

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Text; 
using Microsoft.Xrm.Sdk; 
using Microsoft.Xrm.Sdk.Query; 
using Microsoft.Xrm.Sdk.Messages; 
using System.Text.RegularExpressions; 
using System.ServiceModel; 

namespace LearningLicenses 
{ 
    public class LearningLicenses : IPlugin 
    { 

     public void Execute(IServiceProvider serviceProvider) 
     { 
      try 
      { 

       // Obtain the execution context from the service provider. 
       Microsoft.Xrm.Sdk.IPluginExecutionContext context = (Microsoft.Xrm.Sdk.IPluginExecutionContext) 
        serviceProvider.GetService(typeof(Microsoft.Xrm.Sdk.IPluginExecutionContext)); 

       //Extract the tracing service for use in debugging sandboxed plug-ins. 
       ITracingService tracingService = 
        (ITracingService)serviceProvider.GetService(typeof(ITracingService)); 

       if (context.InputParameters.Contains("Target") && 
         context.InputParameters["Target"] is Entity) 
       { 

        // Obtain the target entity from the input parmameters. 
        Entity entity = (Entity)context.InputParameters["Target"]; 

       IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory)); 
       IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId); 

       EntityReference a = (EntityReference)entity.Attributes["bc_learninglicense"];// ((EntityReference)targetEntity.Attributes["bc_learninglicense"]).Id; 


       if (entity.LogicalName == "bc_llbalance") 
         try 
         { 

          //fetchxml to get the sum total of estimatedvalue 
          string value_sum = string.Format(@"   
        <fetch distinct='false' mapping='logical' aggregate='true'> 
         <entity name='bc_llbalance'> 
          <attribute name='bc_units' alias='units_sum' aggregate='sum' /> 
           <filter type='and'> 
           <condition attribute='bc_learninglicense' operator='eq' value='{0}' uiname='' 
           </filter> 
         </entity> 
        </fetch>", a.Id); 

          FetchExpression fetch = new FetchExpression(value_sum); 
          EntityCollection value_sum_result = service.RetrieveMultiple(fetch); 
          var TotalValue = ""; 
          // decimal TotalValue = 0; 
          foreach (var c in value_sum_result.Entities) 
          { 
           TotalValue = ((string)((AliasedValue)c["value_sum"]).Value); 
          } 

          Entity llc = new Entity("bc_learninglicences"); 
          llc.Id = a.Id; 
          llc.Attributes.Add("bc_unitsused", TotalValue); 

          service.Update(llc); 

         } 
         catch (FaultException ex) 
         { 
          throw new InvalidPluginExecutionException("An error occurred in the plug-in.", ex); 
         } 
       } 

      } 
      catch (FaultException ex) 
      { 
       throw new InvalidPluginExecutionException("An error occurred in the plug-in.", ex); 
      } 
     } 
    } 
} 



THE ERROR : 

Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: Unexpected exception from plug-in (Execute): LearningLicenses.LearningLicenses: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Xrm.Client, Version=5.0.9690.2165, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.Detail: 
<OrganizationServiceFault xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/xrm/2011/Contracts"> 
    <ErrorCode>-2147220956</ErrorCode> 
    <ErrorDetails xmlns:d2p1="http://schemas.datacontract.org/2004/07/System.Collections.Generic" /> 
    <Message>Unexpected exception from plug-in (Execute): LearningLicenses.LearningLicenses: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Xrm.Client, Version=5.0.9690.2165, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.</Message> 
    <Timestamp>2013-01-22T10:09:22.0275105Z</Timestamp> 
    <InnerFault i:nil="true" /> 
    <TraceText> 

[LearningLicenses: LearningLicenses.LearningLicenses] 
[c1b35170-c563-e211-8c6d-b499bafd5e5b: LearningLicenses.LearningLicenses: Create of bc_llbalance] 


</TraceText> 
</OrganizationServiceFault>

來源

2013-01-22 Richard Dewhirst