addroom.aspx.cs

会议室管理系统,本系统是我大学毕业时候的毕业设计,一次通过的!

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 addroom : System.Web.UI.Page
{
    SqlConnection cn;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            if (Convert.ToString(Session["role"]) == "普通用户")
            {
                Response.Write("<script language='javascript'>alert('非常抱歉！您不是＂管理员＂,不能进入该页面！^_^');window.location.href='Default.aspx'</script>");
            }
        }
    }
    protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args)
    {
        string adminname = args.Value;
        cn = new SqlConnection(System.Configuration.ConfigurationManager.AppSettings["cn"]);
        cn.Open();
        SqlCommand cmd = new SqlCommand("select count(*)from room where roomname='" + adminname + "'", cn);
        int count = Convert.ToInt32(cmd.ExecuteScalar());
        if (count > 0)
        {
            args.IsValid = false;

        }
        else
        {
            args.IsValid = true;

        }

        cn.Close();

    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        if (Page.IsValid)
        {
            try
            {
                int count = Convert.ToInt32(this.txtcount .Text .Trim());
                cn = new SqlConnection(System.Configuration.ConfigurationManager.AppSettings["cn"]);
                cn.Open();
                SqlCommand cmd = new SqlCommand("insert into room(roomname,roompos,pcount,note)values('" + this.txtname.Text.ToString().Trim() + "','" + this.txtaddr.Text.ToString().Trim() + "','"+count+"','"+this.txtnote .Text .Trim ()+"')", cn);
                cmd.ExecuteNonQuery();
                this.HyperLink1.Visible = true;
                this.Labmessage.Text = "添加会议室成功";
            }
            catch
            {
                this.Labmessage.Text = "服务器忙，请一会在试！";
            }
            finally
            {
                cn.Close();
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        this.txtname.Text = "";
        this.txtaddr.Text = "";
        this.txtnote.Text = "";
        this.txtname.Focus();
        this.txtcount.Text = "";
        this.Labmessage.Text = "";

    }
}