reg.master.cs

学生寝室管理系统

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;
public partial class reg : System.Web.UI.MasterPage
{
    SqlConnection cn;
    string strsql;
    SqlDataAdapter da;
    DataSet ds = new DataSet();
    protected void Page_Load(object sender, EventArgs e)
    {
        int num = 1;
        cn = sqldata.createcon();
        cn.Open();
        cn = sqldata.createcon();
        cn.Open();
        strsql = "select* from tongzhi where show=" + num;
        da = new SqlDataAdapter(strsql, cn);
        da.Fill(ds);
        this.dltongzhi.DataSource = ds.Tables[(0)].DefaultView;
        this.dltongzhi.DataBind();
        if (this.dltongzhi.Items.Count == 0)
        {
            this.dltongzhi.Visible = false;
            this.Label1.Visible = true;
            this.Image1.Visible = true;
        }
        else
        {
            this.dltongzhi.Visible = true;
        }

    }
}