Microsoft Dynamics CRM 4.0 to 2011/2013 Plugins Migration

Below table consists of major code change while migrating plugins from CRM 4.0 to CRM 2011/CRM2013.

Data type Description Microsoft Dynamics CRM 4.0 version Microsoft Dynamics CRM  2011/2013 version Dynamic Entity DynamicEntity has been changed to Entity          if (context.InputParameters.Properties.Contains("Target") &&     context.InputParameters.Properties["Target"] is DynamicEntity) if (context.InputParameters.Contains("Target") &&     context.InputParameters["Target"] is Entity) CrmService ICrmService has been changed to IOrganizationService ICrmService sdk = context.CreateCrmService(true); IOrganizationServiceFactory factory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory)); IOrganizationService sdk = factory.CreateOrganizationService(context.UserId); Lookup Lookup classes change to EntityReference Lookup entity = (Lookup) context.InputParameters.Properties["Target"]; Microsoft.Xrm.Sdk.EntityReference entity = (EntityReference) context.InputParameters["Target"]; Moniker Moniker classes change to EntityReference Moniker entity = (Moniker) context.InputParameters.Properties["Target"]; Microsoft.Xrm.Sdk.EntityReference entity = (EntityReference) context.InputParameters["Target"]; GetProperties / PropertyAccess Properties property of DynamicEntity no longer exists. Getting and Setting values no longer use Property classes. if (context.InputParameters.Properties.Contains("Target") &&     context.InputParameters.Properties["Target"] is DynamicEntity) if (context.InputParameters.Contains("Target") &&     context.InputParameters["Target"] is Entity) BusinessEntityCollection BusinessEntityCollection has been changed to Entity] Picklist Picklist in CRM 4.0 has been changed to OptionSetValue in CRM 2011 Var pick =  new Picklist(1); Var options = new OptionSetValue(1); Key Key is no longer a separate thing in CRM 2011, it’s just a System.Guid Var key = new Key(“<value>”); Var key = new System.Guid(“<value>”); SoapException SoapException has been changed to FaultException in CRM 2011 Catch(SoapException ex){ } catch (FaultException<OrganizationServiceFault> ex){         // Handle the exception.             } CrmSdk Namespace change from Microsoft.Crm.Sdk to Microsoft.Xrm.Sdk public class ClassName : Microsoft.Crm.Sdk.IPlugin public class ClassName : Microsoft.Xrm.Sdk.IPlugin IPluginExecutionContext IPluginExecutionContext change public void Execute(IPluginExecutionContext context) public void Execute(IServiceProvider serviceProvider) IPluginExecutionContext To get a reference to the IPluginExecutionContext you now need to call the GetService method of the IServiceProvider interface. public void Execute(IPluginExecutionContext context) Microsoft.Xrm.Sdk.IPluginExecutionContext context =(Microsoft.Xrm.Sdk.IPluginExecutionContext)     serviceProvider.GetService(typeof(Microsoft.Xrm.Sdk.IPluginExecutionContext) Customer/Owner Customer/Owner changed to Lookup CrmDateTime -> Datetime CrmBoolean-> Boolean CrmDecimal->Decimal CrmNumber->Integer Crm types change to generic types attributeValue = ((Microsoft.Crm.Sdk.CrmBoolean)propertyCollection[attribute]).Value.ToString(); attributeValue = ((bool)propertyCollection[attribute]).Value.ToString();

Hope this helps,
Yusuf