db.cs

漂亮的留言管理系统

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>
/// DB 的摘要说明
/// </summary>
public class DB
{
	public DB()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
	}
    public static SqlConnection createCon()
    {
        string conString = System.Configuration.ConfigurationManager.AppSettings["conStr"];
        SqlConnection conn = new SqlConnection(conString);
        if (conn.State.Equals(ConnectionState.Closed))
        {
            conn.Open();
        }
        return conn;
    }
}