随笔分类 -  .net

摘要：Winform实现登录窗体中记住密码的功能，如图：代码如下：1、窗体Form1加载： List<UserInfo> item=new List<UserInfo>(); UserInfo userInfo = new UserInfo(); BUserInfo bUserInfo = new BUserInfo(); Dictionary<string, UserInfo> users = new Dictionary<string, UserInfo>(); private void Form1_Load(object sender, Even 阅读全文

摘要：登录一般有两种方法：一种是字符串拼接的方法；另一种是参数法。一、字符串拼接法 SqlConnection con = new SqlConnection("Server=.;database=CESAW;Integrated Security=true;"); SqlCommand cmd = new SqlCommand(); cmd.Connection = con; cmd.CommandText = "Select * from UserInfo where UserName='" + textBox1.Text.Trim() + &qu 阅读全文