Session: How to Get Entity ID
Entities does not have to contain an ID property or field. In the case of such an entity, and a need for knowing under what ID it is stored on the server, the GetDocumentId method was created.
Syntax
string GetDocumentId(object entity);
| Parameters |
|
|
| entity |
object |
Instance of an entity for which an ID will be returned |
| Return Value |
|
| string |
Returns the ID for a specified entity. The method may return null if entity is null, isn't tracked, or the ID will be generated on the server. |
Example
public class Comment
{
public string Author { get; set; }
public string Message { get; set; }
}
string commentId = session
.Advanced
.GetDocumentId(comment); // e.g. comments/1-A
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