UniProviderFactory Class

In This Topic

Syntax
Remarks
Example
Inheritance Hierarchy
Requirements
See Also

Represents a factory required to create inheritors of generic base classes to use with dotConnect Universal.

Syntax

Visual Basic
C#

public class UniProviderFactory : System.Data.Common.DbProviderFactory

'Declaration
 
Public Class UniProviderFactory 
   Inherits System.Data.Common.DbProviderFactory

Remarks

You can use UniProviderFactory class to implement a code where user chooses which DBMS to use.

To obtain an instance of the class you can use the DbProviderFactories.GetFactory method with the invariant name Devart.Data.Universal.

Example

This sample routine creates and returns DbConnection object.

csharp

public DbConnection GetConnectionBaseClass2(DbProviderFactory factory)
{
        // if our factory supports creating a DbConnection, return it.
        if ((factory.SupportedClasses & DbProviderSupportedClasses.DbConnection) > 0)
          return factory.CreateConnection();
        else
          return null;
}

Visual Basic

Public Function GetConnectionBaseClass2(ByVal factory As DbProviderFactory) As DbConnection
        'if our factory supports creating a DbConnection, return it.
        If ((factory.SupportedClasses And DbProviderSupportedClasses.DbConnection) > 0) Then
                Return factory.CreateConnection()
        Else
                Return Nothing
        End If
End Function

Inheritance Hierarchy

System.Object
System.Data.Common.DbProviderFactory
Devart.Data.Universal.UniProviderFactory

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

Reference

UniProviderFactory Members
Devart.Data.Universal Namespace

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