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貌似他懂vs的建数据库的方法....
static string ConnectString = ConfigurationSettings.AppSettings["TEST"];
SqlConnection Con = new SqlConnection(ConnectString);
string name = this.userName.Text;
string pwd = this.Pwd.Text;
string sql = "select * from newuser where username='" + name + "' and password='" + pwd + "'";
Con.Open();
SqlCommand comm = new SqlCommand(sql, Con);
SqlDataReader dr = comm.ExecuteReader();
if (dr.Read())
{
Label1.Text = "<span class='clue'>登陆成功!</span>";
Response.Write(dr["username"].ToString());
HttpCookie cookie = new HttpCookie("uid");
cookie.Value = dr["username"].ToString();
Response.AppendCookie(cookie);
Response.Redirect("~/Default.aspx");
dr.Close();
Con.Close();
}
else
{
Label1.Text = "<span class='clue'>用户名或密码有误,请重新登陆!</span>";
name = "";
pwd = "";
}