/// <summary> /// Executes the plug-in. /// </summary> /// <param name="localContext">The <see cref="LocalPluginContext"/> which contains the /// <see cref="IPluginExecutionContext"/>, /// <see cref="IOrganizationService"/> /// and <see cref="ITracingService"/> /// </param> /// <remarks> /// For improved performance, Microsoft Dynamics CRM caches plug-in instances. /// The plug-in's Execute method should be written to be stateless as the constructor /// is not called for every invocation of the plug-in. Also, multiple system threads /// could execute the plug-in at the same time. All per invocation state information /// is stored in the context. This means that you should not use global variables in plug-ins. /// </remarks> protected void ExecutePreValidateSalesOrderDelete(LocalPluginContext localContext) { if (localContext == null) { throw new ArgumentNullException("localContext"); } IPluginExecutionContext context = localContext.PluginExecutionContext; IOrganizationService service = localContext.OrganizationService; ITracingService trace = localContext.TracingService; var SalesOrderTargetEntity = (EntityReference)context.InputParameters["Target"]; string message = context.MessageName; string error = ""; try { SalesOrderHandler SalesOrderHandler = new SalesOrderHandler(service, trace); EntityCollection SalesOrderCollection = CommonHandler.RetrieveRecordsByOneValue(SalesOrderTargetEntity.LogicalName, "salesorderid", SalesOrderTargetEntity.Id, service, null, OrderType.Ascending, new[] { "salesorderid", "gsc_statuscopy", "quoteid" }); if (SalesOrderCollection.Entities.Count > 0) { if (SalesOrderHandler.ValidateDelete(SalesOrderCollection.Entities[0]) == false) { throw new InvalidPluginExecutionException("Sales order record(s) cannot be deleted."); } } } catch (Exception ex) { throw new InvalidPluginExecutionException(ex.Message); } }