KeyExists Method

Visual Basic (Declaration)
Visual Basic (Usage)
C#
C++/CLI

Public Function KeyExists( _
   ByVal key As String _
) As Boolean

Dim instance As NinjaDb
Dim key As String
Dim value As Boolean
 
value = instance.KeyExists(key)

public bool KeyExists( 
   string key
)

public:
bool KeyExists( 
   String^ key
)

Parameters

key

C#

NinjaDbConfig config = new NinjaDbConfig();
string databasePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "MyApplication");
config.Storage = new FileDatabase(databasePath);
NinjaDb ninja = new NinjaDb(config);
 
Person person = new Person();
person.Name = "John";
person.PersonId = 1;
 
//Save
ninja.Save("Person1", person);
 
bool exists = ninja.KeyExists("Person1");

VB.NET

Dim config As New NinjaDbConfig()
Dim databasePath As String = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "MyApplication")
config.Storage = New FileDatabase(databasePath)
Dim ninja As New NinjaDb(config)
 
Dim person As New Person()
person.Name = "John"
person.PersonId = 1
 
'Save
ninja.Save("Person1", person)
 
Dim exists As Boolean = ninja.KeyExists("Person1")

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

NinjaDb Class
NinjaDb Members