C#做登陆窗体
来源:百度知道 编辑:UC知道 时间:2024/05/05 23:10:54
id和密码数据类型是varchar 型
txtUserId 用户ID TextBox
txtPWD 密码 TextBox
btnLogin 登陆 Button
//frmLogin代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace CRM
{
public partial class frmLogin : Form
{
public static string M_str_name;
public static string M_str_pwd;
BaseOperate boperate = new BaseOperate();//连接数据库类
public frmLogin()
{
InitializeComponent();
}
private void btnLogin_Click(object sender, EventArgs e)
{
SqlDataReader sqlread=boperate.getread("select UserID,UserPWD from tb_User where UserID='"+txtUserId.Text.Trim()+"' and UserPWD='"+txtPwd.Text.Trim()+"'");