tijian_tieying/web/dccdc.DAL/CommHelper.cs

using System.Configuration;
using System.Data.SqlClient;
namespace dccdc.DAL
{
    public class CommHelper
    {

        public static SqlConnection GetSqlConnection()
        {
            return GetSqlConnection("TJDB");
        }
        public static SqlConnection GetSqlConnection(string connName)
        {
            SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings[connName].ConnectionString);
            conn.Open();
            return conn;
        }

        public static string GetSqlConnection1(string connName)
        {
            SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings[connName].ConnectionString);
            return conn.ConnectionString;
        }
    }
}