使用singleton进行连接是ASP.NET网站中的一个好主意

我目前在我的Web应用程序上使用的是单实例,因此始终只有一个到数据库的连接。

我想知道这是不是个好主意,因为现在我遇到了错误:

超时已过期。从池获取连接之前经过的超时时间。这可能是因为所有池连接都在使用中,并且达到了最大池大小。

另一个重要点是,我的网站目前在dev中,没有很多人使用它,所以我不明白为什么会出现这个错误!

这是我的单打号码:

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

/// <summary>
/// This class take care of all the interaction with the database
/// </summary>
public class DatabaseFacade
{
    SqlConnection m_conn = null;

    string m_csLanguageColumn;

    //Variables that implement the Singleton pattern
    //Singleton pattern create only one instance of the class
    static DatabaseFacade instance = null;
    static readonly object padlock = new object();

    /// <summary>
    /// Private constructor. We must use Instance to use this class
    /// </summary>
    private DatabaseFacade()
    {
    }

    /// <summary>
    /// Static method to implement the Singleton
    /// </summary>
    public static DatabaseFacade Instance
    {
        get
        {
            lock (padlock)
            {
                if (instance == null)
                {
                    instance = new DatabaseFacade();
                }
                return instance;
            }
        }
    }

    /// <summary>
    /// Do the connection to the database
    /// </summary>
    public void InitConnection(int nLanguage)
    {
        m_conn = new SqlConnection(GetGoodConnectionString());

        try
        {
            //We check if the connection is not already open
            if (m_conn.State != ConnectionState.Open)
            {
                m_conn.Open();
            }

            m_csLanguageColumn = Tools.GetTranslationColumn(nLanguage);

        }
        catch (Exception err)
        {
            throw err;
        }
    }
}

谢谢你的帮助!