1. Aaron D'Hooghe
  2. SnapObjects
  3. Friday, 12 July 2024 08:54 AM UTC

Hello,

 

I have thesse classes that i use to retrieve from the database using snapobjects:

[FromTable("customers")]
public class Customer
{
[Key]
[SqlColumn("customers", "id")]
public int Id { get; set; }

[ModelEmbedded(typeof(Contact), ParamValue = "$Id" CascadeCreate = false, CascadeDelete = false)]
public List Contacts { get; set; }

}

[SqlParameter("CustomerId", typeof(string))]
[FromTable("contacts")]
[SqlWhere("id = :CustomerId")]
public class Contact
{
[Key]
[SqlColumn("contacts", "id")]
public int Id { get; set; }

[ModelEmbedded(typeof(Contact), ParamValue = "$Id" CascadeCreate = false, CascadeDelete = false)]
public List Comms { get; set; }

}


[SqlParameter("ContactId", typeof(string))]
[FromTable("communications")]
[SqlWhere("id = :ContactId")]
public class Communication
{
[Key]
[SqlColumn("communications", "id")]
public int Id { get; set; }
}

 

How can i include the list "comms", not using .includeAll(). Because i have to conditionally add the Comms.

Ex: 

var result = _dataContext.SqlModelMapper.Load();

if(addContacts)
{
result.Include(el => el.Contacts);
}

if (addContactsComms)
{

}

What do i need to add in the second if statement to work. 

result.Include(el => el.Contacts.Comms);  does not work because "Comms" is a list

 

Kind regards,

Aaron D'Hooghe

 

Francisco Martinez @Appeon Accepted Answer Pending Moderation
  1. Friday, 12 July 2024 19:18 PM UTC
  2. SnapObjects
  3. # 1

Hi Aaron,

Please try to properly format the code you include in your questions, to improve its readability. Please see this other post for a quick tutorial on how to do this: https://community.appeon.com/index.php/qna/q-a/q-a-forum-tip-including-source-code-in-your-question

 

Regards,
Francisco

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Francisco Martinez @Appeon Accepted Answer Pending Moderation
  1. Friday, 12 July 2024 19:29 PM UTC
  2. SnapObjects
  3. # 2

I think you can use the method SQLModelMapper.LoadEmbedded for this: https://docs.appeon.com/snapobjects/4.x/api_reference/SnapObjects.Data/SqlModelMapper/ISqlModelMapper/Method/LoadEmbedded.html

 

You can use it to explicitly load the relationship on your models (Might need to load them beforehand).

 

Regards,
Francisco

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