Represents a field that contains date and time values.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
If you set properties of the SPFieldDateTime class you must call the Update method for changes to take effect in the database.
An SPFieldDateTime object can be rendered through the DateTimeField server control.
The SPFieldDateTime class corresponds to the DateTime data type that is specified through the Type attribute of the Field element.Notes to Inheritors
In SharePoint Foundation, columns based on custom field types are read-only in Datasheet view.