Use simple login to practice

Source: Internet
Author: User

The purpose of this logindemo is to practice accessing the database, using stored procedures, and finally writing a user class.

Page composition: default.aspx,logsuccess.htm,logfailure.htm

Database test, table User:userid (self-increasing), Username,password

Front Desk: A simple landing interface

Background code:

1, long time ago to do the first example of the time used:


protected void CheckAccount()
     string strConn = "server=localhost;uid=sa;pwd=123;database=test;";
     SqlConnection conn = new SqlConnection(strConn);
     String strComm = "Select * from Users where UserName ='" + UserName.Text + "' and PassWord= '" + PassWord.Text + "'";
     SqlCommand comm = new SqlCommand(strComm, conn);
     SqlDataReader dr = comm.ExecuteReader();
     if (dr.Read())

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