Dynamics CRM Bulk Delete C# Using ExecuteMultipleRequest

To avoid calling OrganizationService.Delete multiple times. By using ExecuteMultipleRequest we can delete a bunch of records at a time. Dynamics CRM Bulk Delete C#

Max patch size is 1000. You can delete 1000 records per request

Below is sample code:

/// <summary>
   /// Call this method for bulk delete
   /// </summary>
   /// <param name="service">Org Service</param>
   /// <param name="entityReferences">Collection of EntityReferences to Delete</param>
   public static void BulkDelete(IOrganizationService service, DataCollection<EntityReference> entityReferences)
   {
       // Create an ExecuteMultipleRequest object.
       var multipleRequest = new ExecuteMultipleRequest()
       {
           // Assign settings that define execution behavior: continue on error, return responses. 
           Settings = new ExecuteMultipleSettings()
           {
               ContinueOnError = false,
               ReturnResponses = true
           },
           // Create an empty organization request collection.
           Requests = new OrganizationRequestCollection()
       };
 
       // Add a DeleteRequest for each entity to the request collection.
       foreach (var entityRef in entityReferences)
       {
           DeleteRequest deleteRequest = new DeleteRequest { Target = entityRef };
           multipleRequest.Requests.Add(deleteRequest);
       }
 
       // Execute all the requests in the request collection using a single web method call.
       ExecuteMultipleResponse multipleResponse = (ExecuteMultipleResponse)service.Execute(multipleRequest);
   }
Code language: PHP (php)