LIOT/Framework/Bowin.Common/Linq/DB/SqlConnectionManager.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;
using System.Data.SqlClient;
using System.Web;

namespace Bowin.Common.Linq.DB
{
    public class SqlConnectionManager : DbConnectionManager
    {
        public static void InitConnections()
        {
            CloseConnections();

            foreach (ConnectionStringSettings connectionSetting in ((ConnectionStringsSection)(ConfigurationManager.GetSection("connectionStrings"))).ConnectionStrings)
            {
                SqlConnection db = new SqlConnection(connectionSetting.ConnectionString);

                try
                {
                    db.Open();
                }
                catch
                {}

                AddConnection(connectionSetting.Name, db);
            }

            IsGlobalConnectionStarted = true;
        }

        public static new SqlConnection GetConnection(string contextKey)
        {
            if (IsGlobalConnectionStarted)
            {
                return (SqlConnection)DbConnectionManager.GetConnection(contextKey);
            }
            else
            {
                return null;
            }
        }
    }
}