Delete<T>(T) Method

Visual Basic (Declaration)
Visual Basic (Usage)
C#
Managed Extensions for C++
C++/CLI

Public Overloads Overridable Function Delete(Of T As {Class, New})( _
   ByVal entity As T _
) As Integer

Dim instance As DataHelper
Dim entity As T
Dim value As Integer
 
value = instance.Delete(Of T)(entity)

public virtual int Delete<T>( 
   T entity
)
where T: class, new()

public: virtual int Delete<T>( 
   T* entity
) 
where T: ref class, gcnew()

public:
virtual int Deletegeneric<typename T>
( 
   T^ entity
) 
where T: ref class, gcnew()

Parameters

entity: An object instance

Type Parameters

T: Generic class type

C#

//Get the current thread static safe instance of the helper
IDataHelper db = DataHelper.SessionFactory();
 
//Specify User Name and License Key from the receipt, leave blank for trial mode
//db.UserName = "John Smith 1234";
//db.LicenseKey = "asdfl219==";
 
//Log to the console
db.EnableLogging();
 
//Open the database connection
db.OpenConnection();
 
//Create a new Person to save to the database
Person currentPerson = new Person();
currentPerson.FirstName = "John";
currentPerson.LastName = "Smith";
 
//Save it to the database 
db.Save(currentPerson);
 
//Nothing else will be logged
db.DisableLogging();
 
Dictionary<string, object> parameters = new Dictionary<string, object>();
 
parameters.Add("FirstName", "John");
parameters.Add("LastName", "Smith");
 
db.Delete("Persons", "PersonId", currentPerson.PersonId);
 
//Close the connection
db.CloseConnection();

VB.NET

'Get the current thread static safe instance of the helper
Dim db As IDataHelper = DataHelper.SessionFactory()
 
'Specify User Name and License Key from the receipt, leave blank for trial mode
'db.UserName = "John Smith 1234"
'db.LicenseKey = "asdfl219=="
 
'Log to the console
db.EnableLogging()
 
'Open the database connection
db.OpenConnection()
 
'Create a new Person to save to the database
Dim currentPerson As New Person()
currentPerson.FirstName = "John"
currentPerson.LastName = "Smith"
 
'Save it to the database 
db.Save(currentPerson)
 
'Nothing else will be logged
db.DisableLogging()
 
Dim parameters As New Dictionary(Of String, Object)()
 
parameters.Add("FirstName", "John")
parameters.Add("LastName", "Smith")
 
db.Delete("Persons", "PersonId", currentPerson.PersonId)
 
'Close the connection
db.CloseConnection()

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DataHelper Class
DataHelper Members
Overload List