Update(String,String,Object,Dictionary<String,Object>) Method

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

Overloads Function Update( _
   ByVal tableName As String, _
   ByVal primaryKey As String, _
   ByVal primaryKeyValue As Object, _
   ByVal parameters As Dictionary(Of String,Object) _
) As Integer

Dim instance As IDataHelper
Dim tableName As String
Dim primaryKey As String
Dim primaryKeyValue As Object
Dim parameters As Dictionary(Of String,Object)
Dim value As Integer
 
value = instance.Update(tableName, primaryKey, primaryKeyValue, parameters)

int Update( 
   string tableName,
   string primaryKey,
   object primaryKeyValue,
   Dictionary<string,object> parameters
)

int Update( 
   string* tableName,
   string* primaryKey,
   Object* primaryKeyValue,
   Dictionary<string*,Object*>* parameters
)

int Update( 
   String^ tableName,
   String^ primaryKey,
   Object^ primaryKeyValue,
   Dictionary<String^,Object^>^ parameters
)

Parameters

tableName: The table to update
primaryKey: The name of the primary key
primaryKeyValue: The value of the primary key
parameters: What to update

Return Value

The number of records affected

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();
 
//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);
 
//Creating parameters
Dictionary<string, object> parms = new Dictionary<string, object>();
parms.Add("FirstName", "John");
parms.Add("LastName", "Smith");
 
//Update a record in the database by the primary key
int result = db.Update("Person", "PersonId", 1, parms);
 
//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=="
 
'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)
 
'Creating parameters
Dim parms As New Dictionary(Of String, Object)()
parms.Add("FirstName", "John")
parms.Add("LastName", "Smith")
 
'Update a record in the database by the primary key
Dim result As Integer = db.Update("Person", "PersonId", 1, parms)
 
'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

IDataHelper Interface
IDataHelper Members
Overload List