AnyRecordExists<T>() Method

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

Public Overloads Function AnyRecordExists(Of T As {Class, New})() As Boolean

Dim instance As DataHelper
Dim value As Boolean
 
value = instance.AnyRecordExists(Of T)()

public bool AnyRecordExists<T>()
where T: class, new()

public: bool AnyRecordExists<T>(); 
where T: ref class, gcnew()

public:
bool AnyRecordExistsgeneric<typename T>
(); 
where T: ref class, gcnew()

Type Parameters

T

Return Value

True if there is at least one record in a table

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==";
 
//Open the database connection
db.OpenConnection();
 
bool result = AnyRecordExists<Customer>();
 
//Close the database 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=="
 
'Open the database connection
db.OpenConnection()
 
Dim result As Boolean = AnyRecordExists(Of Customer)()
 
'Close the database 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