protected void Button1_Click(object sender, EventArgs e)
{
string sqltext = "";
ConnSql con = new ConnSql();
if (TextBox1.Text == "")
{
WebMessage.Show("输入初始密码!");
}
else if (TextBox2.Text == "")
{
WebMessage.Show("请输入密码!");
}
else if (TextBox2.Text != TextBox3.Text)
{
WebMessage.Show("输入的两次密码不相同!");
}
else if (TextBox2.Text.Length < 6)
{
WebMessage.Show("密码长度小于6");
}
else if (TextBox1.Text != Session["password"].ToString())
{
WebMessage.Show("你输入原始密码不正确!");
}
else
{
sqltext = "update student set pwd='" + TextBox2.Text + "'where sno='" + Session["username"].ToString() + "'";
con.RunSql(sqltext);
Session["password"] = TextBox2.Text;//保存新密码到Session
WebMessage.Show("修改密码正确!", "selectCourse.aspx");
}
}
protected void b_send_Click(object sender, EventArgs e)
{
if (tb_cno.Text.Length == 0)
{
WebMessage.Show("请输入课程号!");
}
else
{
ConnSql con = new ConnSql();
System.Data.DataTable table = new System.Data.DataTable();
string tno = con.RunSqlReturnTable("select tno from teacher where tname='" + ddl_lt.Text.Trim() + "'").Rows[0][0].ToString();
int result =
con.RunSql("insert into course(cno,cname,tno,xs,skdd) values ('" +
tb_cno.Text.Trim() + "','" +
tb_cname.Text.Trim() + "','" +
tno + "','" +
tb_cth.Text.Trim() + "','" +
tb_classAdd.Text.Trim() + "')");
if (result == 1)
{
WebMessage.Show("添加成功");
}
else
{
WebMessage.Show("添加失败");
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
ConnSql con = new ConnSql();
con.RunSql("insert stu_course(sno,cno) values('" +
Label9.Text.Trim() + "','" + Label11.Text.Trim() + "')");
Response.Redirect("QueryCourse.aspx");
}
protected void Button1_Click(object sender, EventArgs e) //添加
{
ConnSql con = new ConnSql();
string sqltext = "";
sqltext = "insert student(sno,sname,sex,birthday) values('" + TextBox1.Text.Trim() + "','" + TextBox2.Text.Trim() + "','" + DropDownList1.SelectedIndex.ToString() + "','" + TextBox3.Text.Trim() + "')";
con.RunSql(sqltext);
TextBox1.Text = "添加成功";
TextBox2.Text = string.Empty;
TextBox3.Text = DateTime.Now.ToString("yyyy-MM-dd");
}
protected void Button1_Click(object sender, EventArgs e)
{
ConnSql con = new ConnSql();
string sqltext = "";
sqltext = "delete student where sno='" + TextBox1.Text.Trim() + "'";
if (con.RunSql(sqltext) == 1)
{
WebMessage.Show("删除成功");
}
else
{
WebMessage.Show("删除失败");
}
}
protected void Button_Confirm(object sender, EventArgs e)
{
if (Username.Text == "")
{
WebMessage.Show("请输入用户名");
}
else if (name.Text == "")
{
WebMessage.Show("请输入姓名");
}
else if (xueyuan.Text == "")
{
WebMessage.Show("请输入学院");
}
else if (banji.Text == "")
{
WebMessage.Show("请输入班级");
}
else if (Password.Text == "")
{
WebMessage.Show("请输入密码");
}
else if (Check.Text == "")
{
WebMessage.Show("请再次输入密码");
}
else if (Password.Text != Check.Text)
{
WebMessage.Show("密码不一致！");
}
else
{
string sql = "INSERT INTO bookuser (id,pwd,name,class,xueyuan,status,sex,admin,times1) VALUES ('" + Username.Text.Trim() + "','" + Password.Text.Trim() + "','" + name.Text.Trim() + "','" + banji.Text.Trim() + "','" + xueyuan.Text.Trim() + "','1','" + RadioButtonList1.SelectedValue + "','0','0')";
ConnSql conn = new ConnSql();
int s = conn.RunSql(sql);
if (s > 0)
{
WebMessage.Show("添加成功", "Index.aspx");
}
else
{
WebMessage.Show("添加失败");
}
}
}
protected void bSend_Click(object sender, EventArgs e)
{
//!Error 学生姓名过长会 截断字符串
ConnSql con = new ConnSql();
int sex_tmp = rb_girl.Checked ? 1 : 0; // 暂存性别信息 女true 男false
sex_tmp = con.RunSql("update student set sname = '" + tb_sname.Text.Trim() + "', sex="
+ sex_tmp + ", birthday = '"
+ tb_birth.Text.Trim() + "' where sno = '"
+ tb_sno.Text.Trim() + "'");
if (sex_tmp.Equals(1))
{
WebMessage.Show("执行成功");
}
else
{
WebMessage.Show("执行失败");
}
}
protected void btn_edit_Click(object sender, EventArgs e)
{
ConnSql con = new ConnSql();
string sql = "update course set " +
"cname = '" + tb_cname.Text + "'," +
"xs = " + int.Parse(tb_lt.Text.Trim()) + "," +
"skdd = '" + tb_addr.Text + "'," +
"tno = '" + ddl_tch.SelectedValue + "'" +
" where cno = '" + tb_cno.Text + "'";
try
{
con.RunSql(sql);
}
catch (Exception ex)
{
WebMessage.Show(ex.ToString());
throw;
}
}
protected void logout(object sender, EventArgs e)
{
string userid = Session["username"].ToString();//获取Session["user_id"]的值
string strsql = " update users set zx=0 where username='******'";
con.RunSql(strsql);//如果用户退出,修改用户在线信息为0
Session["username"] = null;
Session["password"] = null;
Session["nc"] = "";
Session["jf"] = "";
Session["realname"] = "";//session值均设为空
Session["url"] = null;
Session["last_time"] = "";
state.Text = "游客";
User_Join.Visible = true;
Exit.Visible = false;
ts_hl.Visible = false;
ts_hl.Text = "短消息";
//跳转到登陆界面
Response.Redirect("Default.aspx");
}
protected void Button_Login(object sender, EventArgs e)
{
if (Username.Text == "")
{
WebMessage.Show("请输入用户名");
}
else if (Password.Text == "")
{
WebMessage.Show("请输入密码");
}
else if (yzm.Text == "")
{
WebMessage.Show("请输入验证码");
}
else
{
string sqltext = "select * from bookuser where id='" + Username.Text + "'";
DataTable table = new DataTable();
ConnSql cn = new ConnSql();
table = cn.RunSqlReturnTable(sqltext);
if (table.Rows.Count <= 0)
{
WebMessage.Show("用户名错误！");
}
else if (table.Rows[0][1].ToString().Trim() != Password.Text)
{
WebMessage.Show("密码错误！");
}
else if (table.Rows[0][4].ToString().Trim() == "0")
{
WebMessage.Show("账户处于挂失状态，无法登陆！");
}
else if (yzm.Text != btn_yzm.Text)
{
WebMessage.Show("验证码输入错误");
}
else
{
ConnSql con = new ConnSql();
string sql = "update bookuser SET last_login_time='" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff") + "' WHERE id='" + table.Rows[0][0].ToString() + "'";
con.RunSql(sql);
//保存登录的用户的用户名和密码到Session对象
Session["Admin"] = table.Rows[0][5].ToString();
if (Session["Admin"].ToString() == "1")
{
Session["Username"] = table.Rows[0][0].ToString();
Session["Password"] = table.Rows[0][1].ToString();
Session["Name"] = table.Rows[0][2].ToString();
Session["Time"] = table.Rows[0][6].ToString();
Session["id"] = Username.Text;
WebMessage.Show("登录成功，管理员:" + Session["Name"].ToString().Trim() + "欢迎您！", "/Admin/Index/Index.aspx");
}
else if (Session["Admin"].ToString() == "0")
{
Session["Username"] = table.Rows[0][0].ToString();
Session["Password"] = table.Rows[0][1].ToString();
Session["Name"] = table.Rows[0][2].ToString();
Session["Time"] = table.Rows[0][6].ToString();
Session["id"] = Username.Text;
WebMessage.Show("登录成功，" + Session["Name"].ToString().Trim() + "同学，欢迎您！", "/Home/Index/Index.aspx");
}
}
}
}
