Creating entities in CRM via C#

All,

I'm trying to implement an EDI solution here at work but need some help. The data source will be xml file which is imported into CRM. I found some sample code that does similar things, but I'm trying to test it manually.

This is the main program :  Where   nOrd.Execute();   <-- this is where the error is, it's saying no argument for Iservice Provider. Is there any way to find out a list of values they are expecting here? I want to run this code once but I dont know what argument it's expecting. I want to then see if this creates the order in CRM.

static void Main(string[] args)
        {
            NewOrders nOrd = new NewOrders();
            nOrd.Execute();   <-- this is where the error is, it's saying no argument for Iservice Provider.
 
        } 
        

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This is the NewOrder class:
  public void Execute(IServiceProvider serviceProvider)
        {
            IPluginExecutionContext context = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));

            if (context.InputParameters.Contains("Target"))
            {
                if (context.InputParameters["Target"] is Entity)
                {
                    Entity entity = (Entity)context.InputParameters["Target"];
                    if (entity.LogicalName == "Orders")
                    {
                        try
                        {
                            Entity createOrder = new Entity("order");
                            createOrder["customerid"] = "Test";

                            if (context.OutputParameters.Contains("id"))
                            {
                                createOrder["parentorderid"] =
                                    new EntityReference { Id = new Guid(context.OutputParameters["id"].ToString()), LogicalName = entity.LogicalName };
                            }
                            IOrganizationServiceFactory serviceFactory =
                                   (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
                            IOrganizationService client = serviceFactory.CreateOrganizationService(context.UserId);
                            client.Create(createOrder);
                        }
                        catch (Exception e)
                        {
                            Console.WriteLine("This is the error " + e.ToString());
                        }
                    }
                    else return;
                }
            }
        }
    }

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Reference:
http://www.c-sharpcorner.com/UploadFile/e4e3f7/create-plug-in-of-ms-dynamic-crm-2013-in-Asp-Net/
teknovationAsked:
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Athar SyedCommented:
The execute() function takes a parameter of type IServiceProvider, which you have not supplied in your test code.

The IServiceProvider parameter of the Execute method is a container for several service useful objects that can be accessed within a plug-in. The service provider contains instance references to the execution context, IOrganizationServiceFactory, ITracingService, and more.
REF: https://msdn.microsoft.com/en-us/library/gg328263.aspx

Below is an example on MSDN on how to call the Execute method
Account target = new Account();
target.Name = "Fabrikam";
CreateRequest req = new CreateRequest();
req.Target = target;
req["SuppressDuplicateDetection"] = true;
req["CalculateMatchCodeSynchronously"] = true;
req["SolutionUniqueName"] = "MySolutionName";
CreateResponse response = (CreateResponse)_service.Execute(req);

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REF: Use Messages with Execute method

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