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

    }
    private void databindlist()
    {
        cn = sqldata.createcon();
        cn.Open();
        strsql = "select * from home";
        da = new SqlDataAdapter (strsql, cn);
        da.Fill(ds,"home");
        this.mydatagrid .DataKeyField = "homeid";
        this.mydatagrid  .DataSource = ds.Tables["home"].DefaultView;
        this.mydatagrid .DataBind();
    }
 
    protected void mydatagrid_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        this.mydatagrid.CurrentPageIndex = e.NewPageIndex;
        this.databindlist();
    }
    protected void mydatagrid_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[9].Controls[0])).Attributes.Add("onclick", "return confirm('您确认要删除吗?');");
        }
    }

    protected void mydatagrid_DeleteCommand(object source, DataGridCommandEventArgs e)
    {
        int homeid = Convert.ToInt32(this.mydatagrid.DataKeys[e.Item.ItemIndex].ToString());
        cn = sqldata.createcon();
        cn.Open();
        strsql1 = "delete from home where homeid='" + homeid + "'";
        cmd1 = new SqlCommand(strsql1, cn);
        cmd1.ExecuteNonQuery();
        this.databindlist();
        this.Label2.Text = "删除成功";
    }
}