Dynamics CRM Update Multiple Records C#

To avoid calling OrganizationService.Update multiple times. By using ExecuteMultipleRequest we can update a bunch of records at a time. Dynamics CRM Update Multiple Records C#

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

Below is sample code:

/// <summary>
/// Call this method for bulk update
/// </summary>
/// <param name="service">Org Service</param>
/// <param name="entities">Collection of entities to Update</param>
   public static void BulkUpdate(IOrganizationService service, DataCollection < Entity > entities)
{
    // 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 UpdateRequest for each entity to the request collection.
    foreach(var entity in entities)
    {
           UpdateRequest updateRequest = new UpdateRequest { Target = entity };
        multipleRequest.Requests.Add(updateRequest);
    }

       // Execute all the requests in the request collection using a single web method call.
       ExecuteMultipleResponse multipleResponse = (ExecuteMultipleResponse)service.Execute(multipleRequest);

}
Code language: PHP (php)