定制Dynamics CRM标准导出功能:不能导出指定列的值
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using System;
using Microsoft.Xrm.Sdk;
using System.Text;
using Microsoft.Xrm.Sdk.Query;
using System.Linq;
using System.Collections.Generic;
using System.Xml.Serialization;
using System.IO; namespace CrmVSSolution.Plugins
{
public class PreTestRetrieveMultiple : IPlugin
{
public void Execute(IServiceProvider serviceProvider)
{
// Extract the tracing service for use in debugging sandboxed plug-ins.
// If you are not registering the plug-in in the sandbox, then you do
// not have to add any tracing service related code.
ITracingService tracingService =
(ITracingService)serviceProvider.GetService(typeof(ITracingService)); // Obtain the execution context from the service provider.
IPluginExecutionContext context = (IPluginExecutionContext)
serviceProvider.GetService(typeof(IPluginExecutionContext)); IOrganizationServiceFactory serviceFactory =
(IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId); StringBuilder sb = new StringBuilder();
sb.Append("Depth=");
sb.Append(context.Depth);
sb.Append(";PrimaryEntityName=");
sb.Append(context.PrimaryEntityName);
sb.Append(";PrimaryEntityId=");
sb.Append(context.PrimaryEntityId);
sb.Append(";BusinessUnitId=");
sb.Append(context.BusinessUnitId);
sb.Append(";InitiatingUserId=");
sb.Append(context.InitiatingUserId);
sb.Append(";IsExecutingOffline");
sb.Append(context.IsExecutingOffline);
sb.Append(";IsInTransaction=");
sb.Append(context.IsInTransaction);
sb.Append(";IsOfflinePlayback=");
sb.Append(context.IsOfflinePlayback);
sb.Append(";IsolationMode=");
sb.Append(context.IsolationMode);
sb.Append(";MessageName=");
sb.Append(context.MessageName);
sb.Append(";OperationId=");
sb.Append(context.OperationId);
sb.Append(";OrganizationId=");
sb.Append(context.OrganizationId);
sb.Append(";OrganizationName=");
sb.Append(context.OrganizationName);
sb.Append(";OutputParameters=");
if (context.OutputParameters != null)
{
sb.Append("{");
foreach (var outputpara in context.OutputParameters)
{
sb.Append(outputpara.Key);
sb.Append("=");
sb.Append(outputpara.Value.ToString());
}
sb.Append("}");
}
else
{
sb.Append("null");
}
sb.Append(";OwningExtension=");
if (context.OwningExtension != null)
{
sb.Append("{LogicalName=");
sb.Append(context.OwningExtension.LogicalName);
sb.Append(";Name=");
sb.Append(context.OwningExtension.Name);
sb.Append(";Id=");
sb.Append(context.OwningExtension.Id);
}
else
{
sb.Append("null");
}
sb.Append(";ParentContext=");
if (context.ParentContext != null)
{
sb.Append(context.ParentContext.ToString());
}
else
{
sb.Append("null");
}
sb.Append(";PostEntityImages=");
if (context.PostEntityImages != null)
{
sb.Append("{");
foreach (var postimg in context.PostEntityImages)
{
sb.Append("Key=");
sb.Append(postimg.Key);
sb.Append(";Value.Id=");
sb.Append(postimg.Value.Id);
sb.Append(";Value.LogicalName=");
sb.Append(postimg.Value.LogicalName);
foreach (var attr in postimg.Value.Attributes)
{
sb.Append("Attr=");
sb.Append(attr.Key);
sb.Append(";Value=");
sb.Append(attr.Value.ToString());
}
}
sb.Append("}");
}
else
{
sb.Append("null");
}
sb.Append(";PreEntityImages=");
if (context.PreEntityImages != null)
{
sb.Append("{");
foreach (var preimg in context.PreEntityImages)
{
sb.Append("Key=");
sb.Append(preimg.Key);
sb.Append(";Value.Id=");
sb.Append(preimg.Value.Id);
sb.Append(";Value.LogicalName=");
sb.Append(preimg.Value.LogicalName);
foreach (var attr in preimg.Value.Attributes)
{
sb.Append("Attr=");
sb.Append(attr.Key);
sb.Append(";Value=");
sb.Append(attr.Value.ToString());
}
}
sb.Append("}");
}
else
{
sb.Append("null");
}
sb.Append(";SecondaryEntityName=");
sb.Append(context.SecondaryEntityName);
sb.Append(";RequestId=");
sb.Append(context.RequestId.HasValue ? context.RequestId.Value.ToString() : "null");
sb.Append(";Stage=");
sb.Append(context.Stage);
sb.Append(";UserId=");
sb.Append(context.UserId);
sb.Append(";InputParameters=");
if (context.InputParameters != null)
{
sb.Append("{");
foreach (var inputpara in context.InputParameters)
{
sb.Append(inputpara.Key);
sb.Append("=");
sb.Append(inputpara.Value.ToString());
if (inputpara.Key == "Query")
{
var queryexp = inputpara.Value as QueryExpression;
sb.Append("ColumnSet={");
foreach (var col in queryexp.ColumnSet.Columns)
{
sb.Append(col);
sb.Append(",");
}
sb.Append("}");
sb.Append("LinkEntities={");
if (queryexp.LinkEntities != null)
{
sb.Append("LinkEntity={");
foreach (var linkentity in queryexp.LinkEntities.Where(x => x.LinkToEntityName == "ly_test"))
{
sb.Append("LinkToEntityName=");
sb.Append(linkentity.LinkToEntityName);
sb.Append(";LinkFromEntityName=");
sb.Append(linkentity.LinkFromEntityName);
sb.Append(";LinkColumnSet={");
sb.Append(string.Join(",", linkentity.Columns.Columns));
sb.Append("}");
}
sb.Append("}");
}
else
{
sb.Append("null");
}
sb.Append("}");
}
}
sb.Append("}");
}
else
{
sb.Append("null");
}
sb.Append("当前用户拥有角色:");
sb.Append(string.Join(",", GetUserRoles(service, context.UserId)));
if (context.InputParameters.Contains("Query") && context.InputParameters["Query"] is QueryExpression)
{
//throw new InvalidPluginExecutionException("不是管理员不能导出!");//这个错误提示不会展示在前台给用户看到
QueryExpression objQueryExpression = (QueryExpression)context.InputParameters["Query"];
sb.Append("查找的主实体是:");
sb.Append(objQueryExpression.EntityName);
sb.Append("查询表达式是:");
XmlSerializer xmlSerializer = new XmlSerializer(objQueryExpression.GetType());
using (StringWriter textWriter = new StringWriter())
{
xmlSerializer.Serialize(textWriter, objQueryExpression);
sb.Append(textWriter.ToString());
}
}
var entity = new Entity("annotation");
entity["subject"] = "execute retrievemultiple";
entity["objectid"] = new EntityReference("ly_test", Guid.Parse("B707DE1B-CF99-E611-8161-000D3A80C8B8"));
entity["notetext"] = sb.ToString();
service.Create(entity);
} public IEnumerable<string> GetUserRoles(IOrganizationService service, Guid userId)
{
string fetchXml = string.Format(@"<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='true' no-lock='true'>
<entity name='role'>
<attribute name='name' />
<link-entity name='systemuserroles' from='roleid' to='roleid' visible='false' intersect='true'>
<link-entity name='systemuser' from='systemuserid' to='systemuserid' alias='ad'>
<filter type='and'>
<condition attribute='systemuserid' operator='eq' value='{0}' />
</filter>
</link-entity>
</link-entity>
</entity>
</fetch>", userId);
EntityCollection entities = service.RetrieveMultiple(new FetchExpression(fetchXml));
return entities.Entities.Select(x => x.GetAttributeValue<string>("name"));
}
}
}
Depth=1;PrimaryEntityName=ly_test;PrimaryEntityId=00000000-0000-0000-0000-000000000000;BusinessUnitId=487cdd4b-26a3-e511-80c6-000d3a807ec7;InitiatingUserId=e9cd027f-26a3-e511-80c6-000d3a807ec7;IsExecutingOffline:False;IsInTransaction=False;IsOfflinePlayback=False;IsolationMode=2;MessageName=RetrieveMultiple;OperationId=00000000-0000-0000-0000-000000000000;OrganizationId=bd2a5c49-6b08-4eda-8a15-84159d9fd349;OrganizationName=Demo;OutputParameters={};OwningExtension={LogicalName=sdkmessageprocessingstep;Name=CrmVSSolution.Plugins.PreTestRetrieveMultiple: RetrieveMultiple of ly_test;Id=544ba42f-baae-e611-816e-000d3a80c8b8;ParentContext=null;PostEntityImages={};PreEntityImages={};SecondaryEntityName=none;RequestId=null;Stage=20;UserId=e9cd027f-26a3-e511-80c6-000d3a807ec7;InputParameters={Query=Microsoft.Xrm.Sdk.Query.QueryExpressionColumnSet={ly_name,modifiedon,ly_minutessincecreated,createdon,ly_testid,processid,ly_name,ly_minutessincecreated,modifiedon,createdon,}LinkEntities={LinkEntity={}}}当前用户拥有角色:System Customizer,计划经理,计划员,系统管理员;查找的主实体是:ly_test;查询表达式是:<?xml version="1.0" encoding="utf-16"?>
<QueryExpression _tmplitem="3" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<ExtensionData _tmplitem="3" ></ExtensionData>
<Distinct _tmplitem="3" >false</Distinct>
<NoLock _tmplitem="3" >true</NoLock>
<PageInfo _tmplitem="3" >
<PageNumber _tmplitem="3" >1</PageNumber>
<Count _tmplitem="3" >50</Count>
<ReturnTotalRecordCount _tmplitem="3" >true</ReturnTotalRecordCount>
<ExtensionData _tmplitem="3" ></ExtensionData>
</PageInfo>
<LinkEntities _tmplitem="3" >
<LinkEntity _tmplitem="3" >
<LinkFromAttributeName _tmplitem="3" >processid</LinkFromAttributeName>
<LinkFromEntityName _tmplitem="3" >ly_test</LinkFromEntityName>
<LinkToEntityName _tmplitem="3" >workflow</LinkToEntityName>
<LinkToAttributeName _tmplitem="3" >workflowid</LinkToAttributeName>
<JoinOperator _tmplitem="3" >LeftOuter</JoinOperator>
<LinkCriteria _tmplitem="3" >
<FilterOperator _tmplitem="3" >And</FilterOperator>
<Conditions _tmplitem="3" ></Conditions>
<Filters _tmplitem="3" ></Filters>
<IsQuickFindFilter _tmplitem="3" >false</IsQuickFindFilter>
<ExtensionData _tmplitem="3" ></ExtensionData>
</LinkCriteria>
<LinkEntities _tmplitem="3" />
<Columns _tmplitem="3" >
<AllColumns _tmplitem="3" >false</AllColumns>
<Columns _tmplitem="3" >
<string _tmplitem="3" >versionnumber</string>
</Columns>
<ExtensionData _tmplitem="3" ></ExtensionData>
</Columns>
<EntityAlias _tmplitem="3" >processidworkflowworkflowid</EntityAlias>
<Orders _tmplitem="3" ></Orders>
<ExtensionData _tmplitem="3" ></ExtensionData>
</LinkEntity>
</LinkEntities>
<Criteria _tmplitem="3" >
<FilterOperator _tmplitem="3" >And</FilterOperator>
<Conditions _tmplitem="3" ></Conditions>
<Filters _tmplitem="3" ></Filters>
<IsQuickFindFilter _tmplitem="3" >false</IsQuickFindFilter>
<ExtensionData _tmplitem="3" ></ExtensionData>
</Criteria>
<Orders _tmplitem="3" >
<OrderExpression _tmplitem="3" >
<AttributeName _tmplitem="3" >ly_name</AttributeName>
<OrderType _tmplitem="3" >Ascending</OrderType>
<ExtensionData _tmplitem="3" ></ExtensionData>
</OrderExpression>
</Orders>
<EntityName _tmplitem="3" >ly_test</EntityName>
<ColumnSet _tmplitem="3" >
<AllColumns _tmplitem="3" >false</AllColumns>
<Columns _tmplitem="3" >
<string _tmplitem="3" >ly_name</string>
<string _tmplitem="3" >modifiedon</string>
<string _tmplitem="3" >ly_minutessincecreated</string>
<string _tmplitem="3" >createdon</string>
<string _tmplitem="3" >ly_testid</string>
<string _tmplitem="3" >processid</string>
<string _tmplitem="3" >ly_name</string>
<string _tmplitem="3" >ly_minutessincecreated</string>
<string _tmplitem="3" >modifiedon</string>
<string _tmplitem="3" >createdon</string>
</Columns>
<ExtensionData _tmplitem="3" ></ExtensionData>
</ColumnSet>
<TopCount _tmplitem="3" xsi:nil="true" ></TopCount>
</QueryExpression>
using System;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
using System.Linq;
using System.Collections.Generic; namespace CrmVSSolution.Plugins
{
public class PreTestRetrieveMultiple : IPlugin
{
public void Execute(IServiceProvider serviceProvider)
{
ITracingService tracingService =
(ITracingService)serviceProvider.GetService(typeof(ITracingService)); IPluginExecutionContext context = (IPluginExecutionContext)
serviceProvider.GetService(typeof(IPluginExecutionContext)); IOrganizationServiceFactory serviceFactory =
(IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId); //context.Depth = 2是导出的时候执行
if (context.Depth == && context.InputParameters.Contains("Query") && context.InputParameters["Query"] is QueryExpression)
{
if (!GetUserRoles(service, context.UserId).Contains("系统管理员"))
{
throw new InvalidPluginExecutionException("不是管理员不能导出!");//这个错误提示不会展示在前台给用户看到
}
QueryExpression objQueryExpression = (QueryExpression)context.InputParameters["Query"];
objQueryExpression.ColumnSet = new ColumnSet(objQueryExpression.ColumnSet.Columns.Where(col => col != "ly_decimal").ToArray());
}
} public IEnumerable<string> GetUserRoles(IOrganizationService service, Guid userId)
{
string fetchXml = string.Format(@"<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='true' no-lock='true'>
<entity name='role'>
<attribute name='name' />
<link-entity name='systemuserroles' from='roleid' to='roleid' visible='false' intersect='true'>
<link-entity name='systemuser' from='systemuserid' to='systemuserid' alias='ad'>
<filter type='and'>
<condition attribute='systemuserid' operator='eq' value='{0}' />
</filter>
</link-entity>
</link-entity>
</entity>
</fetch>", userId);
EntityCollection entities = service.RetrieveMultiple(new FetchExpression(fetchXml));
return entities.Entities.Select(x => x.GetAttributeValue<string>("name"));
}
}
}



using System;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
using System.Linq; namespace CrmVSSolution.Plugins
{
public class PreTestSubRetrieveMultiple : IPlugin
{
public void Execute(IServiceProvider serviceProvider)
{
ITracingService tracingService =
(ITracingService)serviceProvider.GetService(typeof(ITracingService)); IPluginExecutionContext context = (IPluginExecutionContext)
serviceProvider.GetService(typeof(IPluginExecutionContext)); IOrganizationServiceFactory serviceFactory =
(IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId); //context.Depth=2是导出的时候执行
if (context.Depth == && context.InputParameters.Contains("Query") && context.InputParameters["Query"] is QueryExpression)
{
QueryExpression objQueryExpression = (QueryExpression)context.InputParameters["Query"];
if (objQueryExpression.LinkEntities != null) //当这个不能导出的实体作为关联的父实体加入了视图列,也需要过滤
{
foreach (var linkentity in objQueryExpression.LinkEntities.Where(x => x.LinkToEntityName == "ly_test"))
{
linkentity.Columns = new ColumnSet(linkentity.Columns.Columns.Where(col => col != "ly_decimal").ToArray());
}
}
}
}
}
}
然后我可以看到效果,这个列的值导不出来了。
public void Execute(IServiceProvider serviceProvider)
{
var executionContext = serviceProvider.GetService<IPluginExecutionContext>();
var parentContext = executionContext.ParentContext;
if (parentContext != null &&
(parentContext.MessageName == "ExportToExcel" ||
parentContext.MessageName == "ExportDynamicToExcel"))
{
// Place your logic here
}
}
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