[英]Dynamics CRM plugin -Pre Operation Update
我创建了一个插件,每当在报价实体上进行更新时,它都会根据自定义字段计算报价的定价。我在报价实体的预操作更新时执行该插件。我尝试调试我的插件,它检索空值.例如,字段“edm_CashAmount”的值包含 5000 但代码检索为空。 请在下面提出建议。 提前致谢。
namespace CRMPlugins.Plugins
{
using System;
using System.ServiceModel;
using Microsoft.Xrm.Sdk;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Crm.Sdk.Messages;
public class PrequoteUpdate : Plugin
{
public PrequoteUpdate()
: base(typeof(PrequoteUpdate))
{
base.RegisteredEvents.Add(new Tuple<int, string, string, Action<LocalPluginContext>>(20, "Update", "quote", new Action<LocalPluginContext>(ExecutePrequoteUpdate)));
}
protected void ExecutePrequoteUpdate(LocalPluginContext localContext)
{
if (localContext == null)
{
throw new ArgumentNullException("localContext");
}
Entity entity = null;
if (localContext.PluginExecutionContext.InputParameters.Contains("Target") && localContext.PluginExecutionContext.InputParameters["Target"] is Entity)
{
entity = (Entity)localContext.PluginExecutionContext.InputParameters["Target"];
}
else
{
return;
}
decimal instotal = 0;
Quote quote = entity.ToEntity<Quote>();
using (GeneratedEntities orgContext = new GeneratedEntities(localContext.OrganizationService))
{
var installements = (from b in orgContext.edm_installementSet
where b.GetAttributeValue<Guid>("edm_quote") == quote.QuoteId
select b);
foreach (var c in installements)
{
if (c.edm_Amount != null)
{
instotal += (decimal)c.new_Decimal;
}
}
}
decimal cash = 0;
if (quote.edm_CashAmount != null)
{
cash = Convert.ToDecimal(quote.GetAttributeValue<Money>("edm_cashamount").Value);
}
decimal check = 0;
if (quote.edm_CheckAmount != null)
{
check = Convert.ToDecimal(quote.GetAttributeValue<Money>("edm_checkamount").Value);
}
decimal credit = 0;
if (quote.edm_CreditCardAmount != null)
{
credit = Convert.ToDecimal(quote.GetAttributeValue<Money>("edm_creditcardamount").Value);
}
decimal gift = 0;
if (quote.new_GiftCard != null)
{
gift = Convert.ToDecimal(quote.GetAttributeValue<Money>("new_giftcard").Value);
}
decimal total = 0;
if (quote.TotalLineItemAmount != null)
{
total = Convert.ToDecimal(quote.GetAttributeValue<Money>("totallineitemamount").Value);
}
decimal currentbalane = 0;
if (quote.edm_CurrentBalane != null)
{
currentbalane = Convert.ToDecimal(quote.GetAttributeValue<Money>("edm_currentbalane").Value);
}
decimal DiscAmount = 0;
if (quote.DiscountAmount != null)
{
DiscAmount = Convert.ToDecimal(quote.GetAttributeValue<Money>("discountamount").Value);
}
decimal totalafterdiscount = total - DiscAmount;
decimal tax = (totalafterdiscount * 10) / 100;
decimal totalwithvat = totalafterdiscount + tax;
decimal paidamount = cash + check + credit + gift + instotal;
decimal remainingamount = totalwithvat - paidamount;
quote["edm_cashamount_1"] = new Money(tax);
quote["edm_totaltax"] = new Money(tax);
quote["edm_paidamount"] = new Money(paidamount);
quote["edm_remainingamount"] = new Money(remainingamount);
quote["edm_total"] = new Money(totalwithvat);
quote["edm_totalinstallements"] = new Money(instotal);
quote["edm_checkamount_1"] = new Money(totalwithvat);
}
}
}
对于更新插件,如果该值未更改,则它不会出现在目标实体中。 因此,您应该创建一个包含这些值的实体前图像,或者您可以创建一个实体后图像以查看应用更改后实体的状态
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