Ваш лучший старт будет с доступным SDK здесь , который содержит пример кода и dll sdk и т.д. ...
Здесь - это страница скраткий справочник по всем конечным точкам веб-службы, доступным в различных версиях CRM 2011.
Из SDK samplepcode \ cs \ quickstart для создания учетной записи, но очень похоже на ведение:
// Connect to the Organization service.
// The using statement assures that the service proxy will be properly disposed.
using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri,
serverConfig.HomeRealmUri,
serverConfig.Credentials,
serverConfig.DeviceCredentials))
{
// This statement is required to enable early-bound type support.
_serviceProxy.ServiceConfiguration.CurrentServiceEndpoint.Behaviors.Add(new ProxyTypesBehavior());
// Instaniate an account object.
// See the Entity Metadata topic in the SDK documentation to determine
// which attributes must be set for each entity.
Account account = new Account { Name = "Fourth Coffee" };
// Create an account record named Fourth Coffee.
_accountId = _serviceProxy.Create(account);
Console.Write("{0} {1} created, ", account.LogicalName, account.Name);
// Retrieve the account containing several of its attributes.
ColumnSet cols = new ColumnSet(
new String[] { "name", "address1_postalcode", "lastusedincampaign" });
Account retrievedAccount = (Account)_serviceProxy.Retrieve("account", _accountId, cols);
Console.Write("retrieved, ");
// Update the postal code attribute.
retrievedAccount.Address1_PostalCode = "98052";
// The address 2 postal code was set accidentally, so set it to null.
retrievedAccount.Address2_PostalCode = null;
// Shows use of a Money value.
retrievedAccount.Revenue = new Money(5000000);
// Shows use of a boolean value.
retrievedAccount.CreditOnHold = false;
// Update the account record.
_serviceProxy.Update(retrievedAccount);
Console.WriteLine("and updated.");