UtcDateTimeConverter.ConvertToStorageType(Object) Method

Converts the persistent property’s value from the current local time to coordinated universal time (UTC). The converted value is stored in the data store.

Namespace: DevExpress.Xpo.Metadata

Assembly: DevExpress.Xpo.v25.1.dll

NuGet Package: DevExpress.Xpo

Declaration

C#

public override object ConvertToStorageType(
    object value
)

VB.NET

Public Overrides Function ConvertToStorageType(
    value As Object
) As Object

Parameters

Name	Type	Description
value	Object	An object which represents the value to convert.

Returns

Type	Description
Object	An object which represents the converted value. null (Nothing in Visual Basic) if the specified value is a null reference.

Remarks

The ConvertToStorageType method converts the property’s value from the current local time to coordinated universal time (UTC).

Example

The following example shows how to convert the value of the Date property from the local time to the current coordinated universal time (UTC) when persisting it in a data store.

C#

using DevExpress.Xpo;
using DevExpress.Xpo.Metadata;
// ...
public class SampleUtc : XPObject {
    private DateTime date;
    [ValueConverter(typeof(UtcDateTimeConverter))]
    public DateTime Date {
        get { return date; }
        set { SetPropertyValue(nameof(Date), ref date, value); }
    }
}

VB.NET

Imports DevExpress.Xpo
Imports DevExpress.Xpo.Metadata
' ...
Class SampleUtc
   Inherits XPObject
   Private _date As DateTime
   <ValueConverter(GetType(UtcDateTimeConverter))> _
   Public Property tDate() As DateTime
      Get
         Return _date
      End Get
      Set(ByVal Value As DateTime)
         SetPropertyValue(NameOf(Date), _date, Value)
      End Set
   End Property
End Class