adminxiname.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 adminxiname : System.Web.UI.Page
{
    SqlCommand cmd, cmd1;
    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 ximing";
        da = new SqlDataAdapter(strsql, cn);
        da.Fill(ds);
        this.mydatagrid.DataSource = ds.Tables[(0)].DefaultView;
        this.mydatagrid.DataBind();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (this.IsValid)
        {
            cn = sqldata.createcon();
            cn.Open();
            strsql2 = "select * from ximing where ximing='" + this.homename.Text.ToString().Trim() + "'";
            cmd1 = new SqlCommand(strsql2, cn);
            dr = cmd1.ExecuteReader();
            if (dr.Read())
            {
                Session["ximing"] = dr["ximing"].ToString().Trim();
                this.Label1.Text = "要添加的系别名称已经存在了.";

            }
            else
            {
                dr.Close();
                strsql1 = "insert into ximing(ximing)values('" + this.homename.Text.ToString().Trim() + "')";
                cmd = new SqlCommand(strsql1, cn);
                cmd.ExecuteNonQuery();

                cn.Close();
                this.Label1.Text = "添加成功";
            }
        }
    }
    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='#808080'");
            e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
        }
    }
}