我正在尝试编写一个插件来在Microsoft CRM 2011中创建一个新的联系人实体。我还没有在网上找到任何有用的信息，我觉得我整天都在敲打砖墙。我在下面发布的代码给出了一个错误，说“当前上下文中不存在名称'服务'”。谁能告诉我发生了什么事，拜托？
// <copyright file="PreValidateContactCreate.cs" company="">
// Copyright (c) 2013 All Rights Reserved
// </copyright>
// <author></author>
// <date>8/6/2013 4:22:10 PM</date>
// <summary>Implements the PreValidateContactCreate Plugin.</summary>
// <auto-generated>
// This code was generated by a tool.
// Runtime Version:4.0.30319.1
// </auto-generated>
namespace Plugins1
{
using System;
using System.ServiceModel;
using System.Collections.Generic;
using Microsoft.Xrm.Sdk;
using Microsoft.Crm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Xrm.Sdk.Discovery;
using Microsoft.Xrm.Sdk.Metadata;
using Microsoft.Xrm.Sdk.Query;
/// <summary>
/// PreValidateContactCreate Plugin.
/// </summary>
public class PreValidateContactCreate: Plugin
{
/// <summary>
/// Initializes a new instance of the <see cref="PreValidateContactCreate"/> class.
/// </summary>
public PreValidateContactCreate()
: base(typeof(PreValidateContactCreate))
{
base.RegisteredEvents.Add(new Tuple<int, string, string, Action<LocalPluginContext>>(10, "Create", "contact", new Action<LocalPluginContext>(ExecutePreValidateContactCreate)));
// Note : you can register for more events here if this plugin is not specific to an individual entity and message combination.
// You may also need to update your RegisterFile.crmregister plug-in registration file to reflect any change.
}
/// <summary>
/// Executes the plug-in.
/// </summary>
/// <param name="localContext">The <see cref="LocalPluginContext"/> which contains the
/// <see cref="IPluginExecutionContext"/>,
/// <see cref="IOrganizationService"/>
/// and <see cref="ITracingService"/>
/// </param>
/// <remarks>
/// For improved performance, Microsoft Dynamics CRM caches plug-in instances.
/// The plug-in's Execute method should be written to be stateless as the constructor
/// is not called for every invocation of the plug-in. Also, multiple system threads
/// could execute the plug-in at the same time. All per invocation state information
/// is stored in the context. This means that you should not use global variables in plug-ins.
/// </remarks>
protected void ExecutePreValidateContactCreate(LocalPluginContext localContext)
{
if (localContext == null)
{
throw new ArgumentNullException("localContext");
}
// TODO: Implement your custom Plug-in business logic.
Entity Contact = new Entity("contact");
Contact.Attributes["firstname"] = "SomeName";
Contact.Attributes["lastname"] = "SomeSurname";
service.Create(Contact);
}
}
}
答案 0 :(得分：1)
由于尚未定义服务，因此抛出错误。需要先定义它，然后才能调用service.Create。
以下是我用于插件的一些代码，您可能会觉得这些代码很有用。似乎比你的例子简单一点。
编辑：我修改了代码以显示创建和更新
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Query;
using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
namespace PluginSample
{
public class ContactSample : IPlugin
{
public void Execute(IServiceProvider serviceProvider)
{
// Get the context
IPluginExecutionContext context = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));
try
{
IOrganizationServiceFactory factory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
IOrganizationService service = factory.CreateOrganizationService(context.UserId);
if (context.MessageName == "Create")
{
// Creates a contact
Entity contact = new Entity("contact");
contact.Attributes.Add("firstname", "SomeName");
contact.Attributes.Add("lastname", "SomeSurname");
service.Create(contact);
}
else if (context.MessageName == "Update")
{
if (context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity)
{
// Update contact
Entity contact = new Entity("contact");
contact.Id = new Guid("EBFB262C-5EFF-E211-8BEB-1CC1DEEAE7EC");
contact.Attributes.Add("firstname", "Name Changed");
service.Update(contact);
}
}
}
catch (Exception generalException)
{
throw new InvalidPluginExecutionException("Plugin Failed - Execute :-(", generalException);
}
}
}
}
答案 1 :(得分：0)
使用 localContext 参数转到组织服务。
*<param name="localContext">The <see cref="LocalPluginContext"/> which contains the
/// <see cref="IPluginExecutionContext"/>,
/// <see cref="IOrganizationService"/>*
答案 2 :(得分：0)
public class CreateRecord : IPlugin
{
/// <summary>
/// Execute Method
/// </summary>
/// <param name="serviceProvider">IServiceProvider object.</param>
public void Execute(IServiceProvider serviceProvider)
{
//Obtain the tracing service.
ITracingService tracingService = (ITracingService)serviceProvider.GetService(typeof(ITracingService));
if (tracingService == null)
throw new Exception("Unable to obtain tracing service.");
//Obtain the execution context from the service provider.
IPluginExecutionContext context = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));
if (context == null)
throw new Exception("Unable to obtain Plugin Execution context.");
//Obtain the organization service reference
IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
if (serviceFactory == null)
throw new Exception("Unable to obtain Organization service factory.");
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
if (service == null)
throw new Exception("Unable to obtain organization service.");
Entity contact = new Entity("contact");
contact["firstname"] = "Your First Name";
contact["lastname"] = "Your Last Name";
Guid contactId = service.Create(contact);
}
}
以上代码是创建记录的示例，在本例中是CRM中的联系人。 contactid应该保存已创建的记录。您可以在活动的联系人视图下找到与其他联系人创建的记录。
希望这会有所帮助。如果您需要更多帮助，请告诉我。快乐学习!!! ：）