PgSqlProviderFactory Class

In This Topic

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

Syntax

Visual Basic
C#

'Declaration
 
Public Class PgSqlProviderFactory 
   Inherits System.Data.Common.DbProviderFactory
   Implements System.IServiceProvider

public class PgSqlProviderFactory : System.Data.Common.DbProviderFactory, System.IServiceProvider

Remarks

You can use PgSqlProviderFactory 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.PostgreSql.

Example

This sample routine creates and returns Devart.Data.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.PostgreSql.PgSqlProviderFactory

Reference

PgSqlProviderFactory Members
Devart.Data.PostgreSql Namespace

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