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Autonumbering in Dynamics365
namespace TransactionPlugin
{
public class Autonumber : IPlugin
{
public void Execute(IServiceProvider serviceProvider)
{
var pluginContext = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));
var factory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
var service = factory.CreateOrganizationService(null);
var target = pluginContext.InputParameters["Target"] as Entity;
var qExpression = new QueryExpression("new_lock");
qExpression.ColumnSet = new ColumnSet("new_name");
qExpression.Criteria.AddCondition("new_name", ConditionOperator.Equal, "Counter");
var results = service.RetrieveMultiple(qExpression);
var counter = results.Entities.First();
var blocker = new Entity("new_lock");
blocker.Id = counter.Id;
blocker["new_name"] = "Counter";
service.Update(blocker); //NOW WE LOCK ALL TRANSACTIONS
var lockedCounter = service.Retrieve("new_lock", blocker.Id, new ColumnSet("new_lastnumber"));
var currentNumber = lockedCounter.GetAttributeValue<int>("new_lastnumber");
target["accountnumber"] = $"{++currentNumber}";
var counterUpdater = new Entity("new_lock");
counterUpdater.Id = counter.Id;
counterUpdater["new_lastnumber"] = currentNumber;
service.Update(counterUpdater);
}
}
}
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