homewenminginfo.aspx.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 homewenminginfo : System.Web.UI.Page
{
    SqlCommand  cmd, cmd1, cmd2, cmd3;
    SqlConnection  cn;
    SqlDataReader  dr;
   SqlDataAdapter  da, da1, da2, da3;
    DataSet ds = new DataSet();
    DataSet ds1 = new DataSet();
    DataSet ds2 = new DataSet();
    DataSet ds3 = new DataSet();
    string strcon, strsql, strsql1, strsql2, strsql3;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            this.databinglist();
        }
    }
    private void databinglist()
    {
        string youxiu = "是";
        cn = sqldata.createcon();
        cn.Open();
        strsql2 = "select distinct homeflood,homehao,homecount,homephone,homefen,homesex from home where  homeyn='" + youxiu+"'";
        da2 = new SqlDataAdapter(strsql2, cn);
        da2.Fill(ds2);
        this.mydatagrid.DataSource = ds2.Tables[(0)].DefaultView;
        this.mydatagrid.DataBind();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (this.IsValid)
        {
            this.Panel2.Visible = false;
            if (this.DropDownList1.Text == "几栋")
            {
                string youxiu = "是";
                cn = sqldata.createcon();
                cn.Open();
                strsql1 = "select distinct homeflood,homehao,homecount,homephone,homefen,homesex from home where homeflood='" + this.txtcontent.Text.ToString() + "' and homeyn='" + youxiu + "'";
                da1 = new SqlDataAdapter(strsql1, cn);
                da1.Fill(ds1);
                this.mydatagrid3.DataSource = ds1.Tables[(0)].DefaultView;
                this.mydatagrid3.DataBind();
                if (this.mydatagrid3.Items.Count == 0)
                {
                    this.Panel1.Visible = false;
                    this.labmessage.Text = "对不起？要找的" + this.txtcontent.Text.ToString() + "内容还没有找到";
                    this.HyperLink1.Visible = true;
                }
                else
                {
                    this.Panel1.Visible = true;
                    this.HyperLink1.Visible =true ;
                    this.labmessage.Text = "恭喜！要找的" + this.txtcontent.Text.ToString() + "内容找到了"; ;
                }
            }
            else if (this.DropDownList1.Text == "几号")
            {
                string youxiu = "是";
                cn = sqldata.createcon();
                cn.Open();
                strsql = "select distinct homeflood,homehao,homecount,homephone,homefen,homesex from home where homehao='" + this.txtcontent.Text.ToString() + "' and homeyn='" + youxiu + "'";
                da = new SqlDataAdapter(strsql, cn);
                da.Fill(ds);
                this.mydatagrid3.DataSource = ds.Tables[(0)].DefaultView;
                this.mydatagrid3.DataBind();
                if (this.mydatagrid3.Items.Count == 0)
                {
                    this.Panel1.Visible = false;
                    this.labmessage.Text = "对不起？要找的" + this.txtcontent.Text.ToString() + "内容还没有找到";
                    this.HyperLink1.Visible = true;
                }
                else
                {
                    this.Panel1.Visible = true;
                    this.HyperLink1.Visible = true ;
                    this.labmessage.Text = "恭喜！要找的" + this.txtcontent.Text.ToString() + "内容找到了"; ;
                }
            }
            else
            {
                string youxiu = "是";
                cn = sqldata.createcon();
                cn.Open();
                strsql3 = "select distinct homeflood,homehao,homecount,homephone,homefen,homesex from home where homefen='" + this.txtcontent.Text.ToString() + "'and homeyn='" + youxiu + "'";
                da3 = new SqlDataAdapter (strsql3, cn);
                da3.Fill(ds3);
                this.mydatagrid3.DataSource = ds3.Tables[(0)].DefaultView;
                this.mydatagrid3.DataBind();
                if (this.mydatagrid3.Items.Count == 0)
                {
                    this.Panel1.Visible = false;
                    this.labmessage.Text = "对不起？要找的" + this.txtcontent.Text.ToString() + "内容还没有找到";
                    this.HyperLink1.Visible = true;
                }
                else
                {
                    this.Panel1.Visible = true;
                    this.HyperLink1.Visible = true ;
                    this.labmessage.Text = "恭喜！要找的" + this.txtcontent.Text.ToString() + "内容找到了"; ;
                }
            }

    }
    }
    protected void mydatagrid3_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        this.mydatagrid3.CurrentPageIndex = e.NewPageIndex;
        this.mydatagrid.DataBind();
    }
    protected void mydatagrid3_ItemDataBound(object sender, DataGridItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            e.Item.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#808080'");
            e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
        }
    }
    protected void mydatagrid_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        this.mydatagrid.CurrentPageIndex = e.NewPageIndex;
        this.databinglist();
    }
}