www.pudn.com > Websharp2005.rar > DataAccessFactory.cs

using System;  
  
namespace Websharp.Data  
{  
	/// 
  
	/// DataAccessHelper   
	/// 
  
	public sealed class DataAccessFactory  
	{  
		private DataAccessFactory(){}  
		private static DatabaseProperty defaultDatabaseProperty;  
		public static DatabaseProperty DefaultDatabaseProperty  
		{  
			get{return defaultDatabaseProperty;}  
			set{defaultDatabaseProperty=value;}  
		}  
		public static DataAccess CreateDataAccess(DatabaseProperty pp)  
		{  
			DataAccess dataAccess;  
			switch(pp.DatabaseType)  
			{  
				case(DatabaseType.MSSQLServer):  
					dataAccess = new MSSqlDataAccess(pp.ConnectionString);  
					break;  
				case(DatabaseType.Oracle):  
					dataAccess = new OracleDataAccess(pp.ConnectionString);  
					break;  
				case(DatabaseType.OleDBSupported):  
					dataAccess = new OleDbDataAccess(pp.ConnectionString);  
					break;  
				default:  
					dataAccess=new MSSqlDataAccess(pp.ConnectionString);  
					break;  
			}  
			return dataAccess;  
		}  
		public static DataAccess CreateDataAccess()  
		{  
			return CreateDataAccess(defaultDatabaseProperty);  
		}  
	}  
}