pwdmanager.aspx.cs

图书管理的相关流程,借书还书流程,比较详细

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class PwdManager : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        //进行非空判断，若为空则返回错误信息
        if (!oldPwd.Text.Equals("") && !newPwd.Text.Equals("") && !ReNewPwd.Text.Equals(""))
        {

            //读取用户编号
            int UserID = Int32.Parse(Session["uid"].ToString());

            string strSql = "SELECT [userID],[userLoginID],[userPwd],[userName],[userStatus] FROM [userInfo] WHERE [userID] ='" + UserID + "'";
            UserInfo userinfo = new UserInfo();
            userinfo = DBhelper.sqlUserInfo(strSql);

            if (userinfo.UserPwd.Equals(oldPwd.Text))
            {
                //进行密码重复输入判断，若两次输入不一致则返回错误信息
                if (newPwd.Text.Equals(ReNewPwd.Text))
                {

                    //修改用户信息
                    strSql = "UPDATE [userInfo] SET [userPwd] = '" + ReNewPwd.Text + "' WHERE [userID] = '" + UserID + "'";
                    int i = DBhelper.sqlinit(strSql);

                    if (i > 0)
                    {

                        //清空用户编号的Session，并返回登陆页面
                        Session["uid"] = null;
                        Response.Redirect("BorrowManager.aspx");

                    }

                }
                else
                {

                    txtMsg.Text = "两次密码输入不一致！";

                }
            }
            else
            {
                txtMsg.Text = "原密码错误！";
            }

        }
        else
        {

            txtMsg.Text = "输入信息不完整！";

        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        Response.Redirect("BorrowManager.aspx");
    }
}