UpdatableExtensionAttribute class
namespace: Serenity.Data.Mapping assembly: Serenity.Net.Data
Marks the JOIN as an updatable extension.
[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
public sealed class UpdatableExtensionAttribute : Attribute
Public Members
| name | description |
|---|---|
| UpdatableExtensionAttribute(…) | Initializes a new instance of the UpdatableExtensionAttribute class. |
| Alias { get; } | The join alias in this row that brings in extension table fields as view fields |
| CascadeDelete { get; set; } | Delete extension record if this record is deleted |
| FilterField { get; set; } | Name of a field in extension table that will be filtered in extension table in addition to key. For example, if you have a CustomerAddresses table, and your join condition is T0.CustomerID = ca.CustomerID and ca.AddressType = 'Billing', your FilterField is AddressType and your FilterValue is 'Billing' |
| FilterValue { get; set; } | Constant value of a field in extension table that will be filtered in extension table in addition to key. For example, if you have a CustomerAddresses table, and your join condition is T0.CustomerID = ca.CustomerID and ca.AddressType = 'Billing', your FilterField is AddressType and your FilterValue is 'Billing' |
| OtherKey { get; set; } | Name of the key field in extension table. If not specified, ID field of extension table is assumed, unless there is a field with matching name to ThisKey in extension table. |
| PresenceField { get; set; } | This extension should only be inserted if this field is equal to PresenceValue For example, you might have a PersonType column in PersonRow and student record should only be created (if not already) if PersonType = "Student". |
| PresenceValue { get; set; } | This extension should only be inserted if PresenceField value is equal to this one. For example, you might have a PersonType column in PersonRow and student record should only be created (if not already) if PersonType = "Student". |
| RowType { get; } | Gets the type of the row. |
| ThisKey { get; set; } | Name of the key field in this table. If not specified, ID field of this table will be used. |
See Also
- Source: UpdatableExtensionAttribute.cs