web/WebUserControl3.ascx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;
using System.Data;


public partial class web_WebUserControl3 : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        float price=0;
       int i=0;
       int tianshu = 1;
      
        try
        {
            Label1.Text = Request.QueryString["Name"];
            Label6.Text = DateTime.Now.ToLongDateString();
            string ConnStr1 = System.Configuration.ConfigurationManager.ConnectionStrings["ConnStr"].ToString();
            SqlConnection cn = new SqlConnection(ConnStr1);
            cn.ConnectionString = ConnStr1;
            String sql1 = "select cidentityid,BeginTime from history where Roomid='" + Label1.Text.Trim() + "' and Endtime is null";
            cn.Open();
            SqlCommand cmd = new SqlCommand(sql1, cn);
            SqlDataAdapter da = new SqlDataAdapter();
            DataSet ds = new DataSet();
            da.SelectCommand = cmd;
            da.Fill(ds);
            DataRow dr = ds.Tables[0].Rows[0];
            Label3.Text = dr[0].ToString();
            Label5.Text = dr[1].ToString();
            cn.Close();
        }
        catch (Exception ex)
        { }
        
       //求房间类型
        try
        {
           
            string ConnStr1 = System.Configuration.ConfigurationManager.ConnectionStrings["ConnStr"].ToString();
            SqlConnection cn = new SqlConnection(ConnStr1);
            cn.ConnectionString = ConnStr1;
            String sql1 = "select RcategoryId from RoomsInfo where Roomid='" + Label1.Text.Trim() + "'";
            cn.Open();
            SqlCommand cmd = new SqlCommand(sql1, cn);
            SqlDataAdapter da = new SqlDataAdapter();
            DataSet ds = new DataSet();
            da.SelectCommand = cmd;
            da.Fill(ds);
            DataRow dr = ds.Tables[0].Rows[0];
           String s = dr[0].ToString();
            i = int.Parse(s);
            cn.Close();