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;
namespace Mysqlserver
{
    /// <summary>
    /// SqlServerDataBase 的摘要说明
    /// </summary>
    public class SqlServerDataBase
    {
        private string strError = null;
        private int intCount = 0;
        public SqlServerDataBase()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        /// <summary>
        /// 公开方法DBConn，返回数据库连接
        /// </summary>
        /// <returns></returns>
        public SqlConnection DBconn()
        {
            string strConn = "Server=(local);Database=GlobalMeetings;Uid=sa;pwd=";
            try
            {
                return new SqlConnection(strConn);
            }
            catch (Exception)
            {
                return null;
            }
        }
        /// <summary>
        /// 公开属性ErrorMessage，返回错误信息
        /// </summary>
        public string ErrorMessage
        {
            get
            {
                return strError;
            }
        }

        /// <summary>
        /// 根据查询语句从数据库检索数据
        /// </summary>
        /// <param name="strSelect">查询语句</param>
        /// <param name="SqlConn">数据库连接</param>
        /// <returns>有数据则返回DataSet对象，否则返回null</returns>
        public DataSet Select(string SelectString, SqlConnection sqlConn)
        {
            strError = "";
            SqlConnection conn;
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