/// <summary>
/// 打开数据库连接
/// </summary>
public void Open()
{
if (conn == null)
{
Factory = DbProviderFactories.GetFactory(DataType.GetName());
comm = Factory.CreateCommand();
comm.CommandTimeout = CommandTimeout;
conn = Factory.CreateConnection();
conn.ConnectionString = ConnectionString;
comm.Connection = conn;
}
if (conn.State == ConnectionState.Closed)
{
conn.Open();
}
}
