conndb.cs

yi ge xue sheng cheng ji guan li xi tong de yuan ma .

using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
namespace myResult
{
	/// <summary>
	/// connDB 的摘要说明。
	/// </summary>
	public class connDB
	{
		public connDB()
		{
			//
			// TODO: 在此处添加构造函数逻辑
			//
		}
		#region ##########数据库联接##########
		/// <summary>
		/// 建立数据联接
		/// </summary>
		/// <returns></returns>
		public static SqlConnection createConn()
		{
			string str_conn=ConfigurationSettings.AppSettings["connectionString"];
			SqlConnection conn=new SqlConnection(str_conn);
			return conn;
		}
		#endregion
	}
}