LoadOne(String,String,IEnumerable<Object>) Method

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

Public Overloads Function LoadOne( _
   ByVal tableName As String, _
   ByVal whereClause As String, _
   ByVal nameValueParameters As IEnumerable(Of Object) _
) As Dictionary(Of String,Object)

Dim instance As DataHelper
Dim tableName As String
Dim whereClause As String
Dim nameValueParameters As IEnumerable(Of Object)
Dim value As Dictionary(Of String,Object)
 
value = instance.LoadOne(tableName, whereClause, nameValueParameters)

public Dictionary<string,object> LoadOne( 
   string tableName,
   string whereClause,
   IEnumerable<object> nameValueParameters
)

public: Dictionary<string*,Object*>* LoadOne( 
   string* tableName,
   string* whereClause,
   IEnumerable<Object*>* nameValueParameters
)

public:
Dictionary<String^,Object^>^ LoadOne( 
   String^ tableName,
   String^ whereClause,
   IEnumerable<Object^>^ nameValueParameters
)

Parameters

tableName: The database table name
whereClause: A parameterized where clause
nameValueParameters: The parameters to use

Return Value

A dictionary of columns and values.

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);
 
string whereClause = "WHERE FirstName = @FirstName and LastName = @LastName";
 
Dictionary<string, object> list = db.LoadOne("Persons", whereClause, new object[] { "FirstName", "John", "LastName", "Smith"});
 
Console.WriteLine(list.Count);
 
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)
 
Dim whereClause As String = "WHERE FirstName = @FirstName and LastName = @LastName"
 
Dim list As Dictionary(Of String, Object) = db.LoadOne("Persons", whereClause, new object[] { "FirstName", "John", "LastName", "Smith"})
 
Console.WriteLine(list.Count)
 
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