By definition “A pre-image is
a snapshot of the entity’s attributes before the core operation
and a post-image is a snapshot of the entity’s attribute after the core operation.”
What is the advantage of adding pre or post images to a plug-in?
Registering for pre or post images to access entity attribute values
results in improved plug-in performance
as compared to obtaining entity attributes in plug-in code through RetrieveRequest or RetrieveMultipleRequest requests.
What is the difference between Prevalidation and Preoperation plugin?
1. Pre-Validation: is
before the record
even reaching the stage of pre-operation, so means not yet saved, it is the first layer, usually used for validation, but not many people use this, usually will just use pre-operation. 2. Pre-Operation: is also before the record created, not yet database transaction committed.
How do I pre image a plugin?
- Add code: …
- Register on Post Operation:
- We will filter this to run on the telephone1 change:
- Now, register an image. …
- We will register this on Pre Image and Post Image:
- First ensure tracing is enabled in System Settings:
- Now we can run the code. …
- Change the phone number:
What is the difference between plugin context and pre image?
Context contains the entity business information which is being updated currently on CRM Platform. In Plugin, IPluginExecutionContext contains information that describes the run-time environment that the plug-in executes, information related to the execution pipeline, and entity business information.
What is Operation plugin?
These plugins
execute before the main system operation and within the database transaction
. They run after the pre-validation has occurred. This is used for modifying/updating any attributes (note you can also technically do this in pre-validation).
What is the process to develop the plug-in?
- Create a .NET Framework Class library project in Visual Studio.
- Add the Microsoft.CrmSdk.CoreAssemblies NuGet package to the project.
- Implement the IPlugin interface on classes that will be registered as steps.
- Add your code to the Execute method required by the interface.
How do you register a photo a difference between pre and post image?
In case of Pre-image, you get the image of the record as is stored in the SQL database before the CRM Platform action has been performed. Post Image,
returns the image of the record after the CRM Platform action has been performed
.
What will happen if we set searchable as no for a field from customizations?
When you mark a field as “Searchable = NO”,
the field is hidden from the dropdown list where you select filters in Advanced Find but not in Add Columns
. You could use Field Level Security as mentioned by Nithya.
When we should go with global option sets?
Global options sets are used to
set fields when there are numerous fields that use the same set of options
. Before you can add a global option set to an entity, it must be created first.
How do you get Preimage?
How to calculate a preimage of a function? Finding the preimage(s) of a value a by a function f is
equivalent to solving equation f(x)=a f ( x ) = a
.
What is context plugin?
Definition. Namespace: Microsoft.Xrm.Sdk Assembly: Microsoft.Xrm.Sdk.dll. Defines the
contextual information
passed to a plug-in at run-time. Contains information that describes the run-time environment that the plug-in is executing in, information related to the execution pipeline, and entity business information.
What are the limitations of plugins?
One of the biggest disadvantages to using plugins is that
it can make your website vulnerable to hacking or open to security issues
. Generally, this happens with older plugins that are not kept updated by your web designer. These security issues can be quite serious.
Can add up to 150 values available in multi select fields?
A new AttributeType: MultiSelect Option Set introduced. We can add control to forms, views, and quick create forms, and read-only and editable grids. Can add up to 150 values available for selection. ‘
Select
All’ and ‘Clear selection’ feature.
What is pre validation plugin?
Pre-validation stage
executes outside Database Transaction which will not rollback
the entire operations written in the plugin if there is any runtime error occurs in one operation. This provides an opportunity to include logic to cancel the operation before the database transaction.
What is the scope of business rules?
Scope: The scope of business rule can be either
‘Entity’ or ‘All Forms’
. When we select the scope as ‘Entity’, it executes at server side. The business rule fires whenever that entity is created or saved either from the form inside CRM or from any web application.
