namespace System.Data.Common { public abstract class DbProviderFactory { public virtual bool CanCreateDataSourceEnumerator { get; } protected DbProviderFactory(); public virtual DbCommand CreateCommand(); public virtual DbCommandBuilder CreateCommandBuilder(); public virtual DbConnection CreateConnection(); public virtual DbConnectionStringBuilder CreateConnectionStringBuilder(); public virtual DbDataAdapter CreateDataAdapter(); public virtual DbDataSourceEnumerator CreateDataSourceEnumerator(); public virtual DbParameter CreateParameter(); } }