Knight Data Access Layer
GetAllConstraints Method (DataHelper)
Example 




KellermanSoftware.NetDataAccessLayer Namespace > DataHelper Class : GetAllConstraints Method
Get all Foreign Key constraints for the current database
Syntax
Public Function GetAllConstraints() As List(Of ForeignKeyConstraint)
Dim instance As DataHelper
Dim value As List(Of ForeignKeyConstraint)
 
value = instance.GetAllConstraints()
public List<ForeignKeyConstraint> GetAllConstraints()
public: List<ForeignKeyConstraint*>* GetAllConstraints(); 
public:
List<ForeignKeyConstraint^>^ GetAllConstraints(); 

Return Value

List<Constraint>.
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==";
 
//Log to the console
db.EnableLogging();
 
//This will automatically create all tables for the class Movie with all associated parents and children
db.Setup("Tests.Shared.TestClasses.Movie");
 
//This will be true
bool foreignKeyExists = db.ForeignKeyExists("Movies", "StudioId", "Studios", "StudioId");
 
//Get the constraints
List<ForeignKeyConstraint> constraints = db.GetAllConstraints();
'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()
 
'This will automatically create all tables for the class Movie with all associated parents and children
db.Setup("Tests.Shared.TestClasses.Movie")
 
'This will be true
Dim foreignKeyExists As Boolean = db.ForeignKeyExists("Movies", "StudioId", "Studios", "StudioId")
 
'Get the constraints
Dim constraints As List(Of ForeignKeyConstraint) = db.GetAllConstraints()
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

DataHelper Class
DataHelper Members