adminhomebad.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 adminhomebad : System.Web.UI.Page
{
   SqlCommand  cmd, cmd1,cmd2;
    SqlConnection  cn;
   SqlDataReader  dr, dr1;
   SqlDataAdapter  da, da1, da2, da3,da4,dr5;
    DataSet ds = new DataSet();
    DataSet ds1 = new DataSet();
    DataSet ds3 = new DataSet();
    DataSet ds4 = new DataSet();
    string strcon, strsql, strsql1, strsql2,strsql3,strsql4,strsql5;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            this.databindlist();
            if (Session["adminname"] == null)
            {
                Response.Redirect("index.aspx");
            }
        }
    }
    private void databindlist()
    {

        cn = sqldata.createcon();
        cn.Open();
        strsql = "select * from homebad";
        da = new SqlDataAdapter (strsql, cn);
        da.Fill(ds, "home");
        this.mydatagrid3.DataKeyField = "id";
        this.mydatagrid3.DataSource = ds.Tables["home"].DefaultView;
        this.mydatagrid3.DataBind();
 
    }
    protected void mydatagrid3_DeleteCommand(object source, DataGridCommandEventArgs e)
    {
       int id =Convert .ToInt32 ( this.mydatagrid3.DataKeys[e.Item.ItemIndex].ToString());
       cn = sqldata.createcon();
       cn.Open();
        strsql5 = "delete from homebad where id='" + id + "'";
        cmd2= new SqlCommand (strsql5, cn);
      cmd2.ExecuteNonQuery();
        this.databindlist();
        this.labmessage .Text = "删除成功";
    }

    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='#d3d3d3'");
            e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
            ((LinkButton)(e.Item.Cells[7].Controls[0])).Attributes.Add("onclick", "return confirm('您确认要删除吗?');");
        }
    }
    protected void mydatagrid3_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        this.mydatagrid3.CurrentPageIndex = e.NewPageIndex;
        this.databindlist();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (this.IsValid)
        {
            if (this.DropDownList1.Text == "几栋")
            {

                cn = sqldata.createcon();
                cn.Open();
                strsql1 = "select * from homebad where homeflood='" + this.txtcontent.Text.ToString() + "'";
                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")
            {

                cn = sqldata.createcon();
                cn.Open();
                strsql = "select *from homebad where homehao='" + this.txtcontent.Text.ToString() + "' ";
                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 if (this.DropDownList1.Text == "通过审核")
            {
                string shenhe = "是";
                cn = sqldata.createcon();
                cn.Open();
                strsql3 = "select*from homebad where shenhe='" + this.txtcontent.Text.ToString() + "'";
                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"; ;
                }
            }
            else
            {
                string shenhe = " 否";
                cn = sqldata.createcon();
                cn.Open();
                strsql4 = "select*from homebad where shenhe='" + this.txtcontent.Text.ToString() + "'";
                da4 = new SqlDataAdapter(strsql4, cn);
                da4.Fill(ds4);
                this.mydatagrid3.DataSource = ds4.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"; ;
                }
            }
        }
    }
}