Knight Data Access Layer
SearchCount<T> Method (IDataHelper)
Example 




KellermanSoftware.NetDataAccessLayer Namespace > IDataHelper Interface : SearchCount<T> Method
Generic class type
What to search for
Count the number of records for a search
Syntax
Function SearchCount(Of T As {Class, New})( _
   ByVal searchParameters As T _
) As Long
Dim instance As IDataHelper
Dim searchParameters As T
Dim value As Long
 
value = instance.SearchCount(Of T)(searchParameters)
long SearchCount<T>( 
   T searchParameters
)
where T: class, new()
long SearchCount<T>( 
   T* searchParameters
) 
where T: ref class, gcnew()
int64 SearchCountgeneric<typename T>
( 
   T^ searchParameters
) 
where T: ref class, gcnew()

Parameters

searchParameters
What to search for

Type Parameters

T
Generic class type
Example
//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);
 
//Search parameters
Person searchParm = new Person();
searchParm.FirstName = "John";
 
//Search for records based on the passed in search object
long count=  db.SearchCount(searchParm);
 
Console.WriteLine(count);
 
//Close the connection
db.CloseConnection();
'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)
 
'Search parameters
Dim searchParm As New Person()
searchParm.FirstName = "John"
 
'Search for records based on the passed in search object
Dim count As Long= db.SearchCount(searchParm)
 
Console.WriteLine(count)
 
'Close the connection
db.CloseConnection()
Requirements

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

See Also

Reference

IDataHelper Interface
IDataHelper Members