public DbClinet()
{
Exception = new DboException();
switch (ConfigurationManager.ConnectionStrings[DbClinet.WebConfigKey].ProviderName)
{
case "System.Data.SqlClient": objFactory = SqlClientFactory.Instance;
break;
case "System.Data.OleDb": objFactory = OleDbFactory.Instance;
break;
case "System.Data.OracleClient": objFactory = OracleClientFactory.Instance;
break;
case "System.Data.Odbc": objFactory = OdbcFactory.Instance;
break;
}
if (objFactory == null)
{
Exception.Exception("未初始化数据连接池");
}
this.con = objFactory.CreateConnection();
this.con.ConnectionString = ConfigurationManager.ConnectionStrings[DbClinet.WebConfigKey].ConnectionString;
this.cmd = objFactory.CreateCommand();
this.cmd.Connection = con;
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="con">连接字符串</param>
/// <param name="provider">数据库类型</param>
public DbClinet(string conString, Providers provider)
{
Exception = new DboException();
switch (provider)
{
case Providers.SqlServer: objFactory = SqlClientFactory.Instance; break;
case Providers.ODBC: objFactory = OdbcFactory.Instance; break;
case Providers.OleDb: objFactory = OleDbFactory.Instance; break;
case Providers.Oracle: objFactory = OracleClientFactory.Instance; break;
}
if (objFactory == null)
{
Exception.Exception("未初始化数据连接池");
}
this.con = objFactory.CreateConnection();
this.con.ConnectionString = conString;
this.cmd = objFactory.CreateCommand();
this.cmd.Connection = con;
}