System.Data.Common.DbProviderFactory
public
abstract class DbProviderFactory
{
public virtual DbConnection
CreateConnection()
{
return null;
}
public virtual DbCommand
CreateCommand()
{
return null;
}
}
System.Data.SqlClient.SqlClientFactory
public sealed class
SqlClientFactory : DbProviderFactory, IServiceProvider
{
public override DbConnection
CreateConnection()
{
return new SqlConnection();
}
public override DbCommand
CreateCommand()
{
return new SqlCommand();
}
}
System.Data.Odbc.OdbcFactory
public sealed class
OdbcFactory : DbProviderFactory
{
public override DbConnection
CreateConnection()
{
return new OdbcConnection();
}
public override DbCommand
CreateCommand()
{
return new OdbcCommand();
}
}
System.Data.Common.DbConnection
public abstract class
DbConnection : Component, IDbConnection
{
}
System.Data.SqlClient.SqlConnection
public sealed partial
class SqlConnection : DbConnection, ICloneable
{
}
System.Data.Odbc.OdbcConnection
public sealed partial
class OdbcConnection : DbConnection, ICloneable
{
}
System.Data.Common.DbCommand
public abstract class
DbCommand : Component, IDbCommand
{
}
System.Data.SqlClient.SqlCommand
public sealed class
SqlCommand : DbCommand, ICloneable
{
}
System.Data.Odbc.OdbcCommand
public sealed class
OdbcCommand : DbCommand, ICloneable
{
}
