protected void btnLogin_Click(object sender, EventArgs e)
{
string uid = txtName.Text.Trim();
string upassowrd = txtPassword.Text.Trim();
users us = new users();
us.uid = uid;
us.ups = upassowrd;
if (drpIdentity.SelectedValue == "ad")
{
int result = us.Alogin(us);
if (result > 0)
{
Session["id"] = uid; //会话变量，网站通用，确定身份
Response.Redirect("~/HomePage.aspx");
}
else
{
Response.Write("<script>alert(\"对不起，您输入错误！\")</script>");
}
}
if (drpIdentity.SelectedValue == "us")
{
int result = us.ulogin(us);
if (result > 0)
{
Session["id"] = uid; //会话变量，网站通用，确定身份
Response.Redirect("~/usershomepag.aspx");
}
else
{
Response.Write("<script>alert(\"对不起，您输入错误！\")</script>");
}
}
}