teacherupdate.aspx.cs

智能选课系统:本程序采用Microsoft Visual Studio 2005集成环境开发即 asp.net 2.0+access 数据库开发。 功能如下:学校中学生教师根据不同的权限合理分配,提

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.OleDb;

public partial class studnet_Maintenance : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["tname"] != null)
            {
                this.TextBox1.Text = Session["tname"].ToString();

            }
            else
            {
                Response.Write("<script language='javascript'>alert('没有登录请登录');location.href='../teacher/TeacherLogin.aspx'</script>");
            }


        }

    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        update();
    }
    private void update()
    {//修改学生信息
        try
        {
            string name = Session["tname"].ToString();
            OleDbConnection con = db.con();
            con.Open();
            OleDbCommand cmd = new OleDbCommand();
            cmd.Connection = (OleDbConnection)con;
            cmd.CommandText = "update   Teacher set Tpwd=@Tpwd  where  Tname='" + name + "'";


            cmd.Parameters.Add("@Tpwd", SqlDbType.VarChar);



            cmd.Parameters["@Tpwd"].Value = this.txxpwd.Text;

            cmd.ExecuteNonQuery();
            con.Close();
            Response.Write("<script language='javascript'>alert('修改成功')</script>");
        }
        catch
        {
            Response.Write("<script language='javascript'>alert('修改失败')</script>");
        
        }
    }
  
}