26.7.4 管理员找回密码实现过程

protected void btnOK_Click(object sender, EventArgs e)
{
 if (this.txtVali.Text = = this.labVial.Text )
 {
Session["Name"] = this.txtName.Text;
  Page.Response.Redirect("Findpwd.aspx");
 }
 else
 {
  Response.Write("<script language=javascript>alert
('您输入的信息不正确，请重新输入！');</script>");
 }
 
}

protected void btnOK_Click(object sender, EventArgs e)
{
SqlData da = new SqlData();
SqlDataReader read = da.ExceRead("select * from tb_
Admin where UserName='" + Session["Name"].
ToString() + "'");
read.Read();
if (this.txtQues.Text = = read["Question"].ToString() && 
this.txtAns.Text = = read["Answer"].ToString())
{
Session["pwd"] = read["ID"].ToString();
Page.Response.Redirect("ShowPwd.aspx");
}
else
{
Response.Write("<script language=javascript>alert
('您输入的信息不正确，请重新输入！');</script>");
}
read.Close();
}

{
 if (!IsPostBack)
 {
  SqlData da = new SqlData();
  SqlDataReader read = da.ExceRead("select * 
from tb_Admin where ID='" + Session["pwd"].
  ToString() + "'");
  while (read.Read())
  {
   this.txtPwd.Text = read["PassWord"].ToString();
  }
  read.Close();
 }
}

protected void btnChange_Click(object sender, EventArgs e)
{
 string P_str_Com = "update tb_Admin set PassWord='" + 
this.txtOKpwd.Text + "' where ID='" + Session
 ["pwd"].ToString() + "'";
 SqlData da = new SqlData();
 bool add = da.ExceSQL(P_str_Com);
 if (add = = true)
 {
  Response.Write("<script language=javascript>alert
('修改成功!');location='Index.aspx'</script>");
 }
 else
 {
  Response.Write("<script language=javascript>alert
('修改失败！');location='javascript:history.go
  (-1)'</script>");
 }
}