1、 public Login（） / / Windows 窗体设计器支持所必需的 InitializeComponent（）; / TODO: 在 InitializeComponent 调用后添加任何构造函数代码 / 清理所有正在使用的资源。 protected override void Dispose（ bool disposing ） if（ disposing ） if （components != null） components.Dispose（）; base.Dispose（ disposing ）; #region Windows 窗体设计器生成的代码 / 设计器支持所需的方法
2、 - 不要使用代码编辑器修改 / 此方法的内容。 private void InitializeComponent（） System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager（typeof（Login）; this.btClose = new System.Windows.Forms.Button（）; this.btSure = new System.Windows.Forms.Button（）; this.password =
3、new System.Windows.Forms.TextBox（）; this.label3 = new System.Windows.Forms.Label（）; this.label2 = new System.Windows.Forms.Label（）; this.label1 = new System.Windows.Forms.Label（）; boName = new System.Windows.Forms.ComboBox（）; this.SuspendLayout（）; / / btClose this.btClose.FlatStyle = System.Windows.
4、Forms.FlatStyle.Popup; this.btClose.ForeColor = System.Drawing.Color.Black; this.btClose.Location = new System.Drawing.Point（159, 220）; this.btClose.Name = btClose; this.btClose.Size = new System.Drawing.Size（75, 23）; this.btClose.TabIndex = 27; this.btClose.Text = 取消 this.btClose.Click += new Syste
5、m.EventHandler（this.btClose_Click）; / btSure this.btSure.FlatStyle = System.Windows.Forms.FlatStyle.Popup; this.btSure.ForeColor = System.Drawing.Color.Black; this.btSure.Location = new System.Drawing.Point（46, 220）; this.btSure.Name = btSure this.btSure.Size = new System.Drawing.Size（75, 23）; this.
6、btSure.TabIndex = 26; this.btSure.Text = 确定 this.btSure.Click += new System.EventHandler（this.btSure_Click）; / password this.password.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.password.Location = new System.Drawing.Point（130, 136）; this.password.Name = password this.password.P
7、asswordChar = * this.password.Size = new System.Drawing.Size（100, 21）; this.password.TabIndex = 25; this.password.Text = admin / label3 this.label3.Font = new System.Drawing.Font（宋体, 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, （byte）（134）; this.label3.ForeColor = System.
8、Drawing.Color.Black; this.label3.Location = new System.Drawing.Point（66, 136）; this.label3.Name = label3 this.label3.Size = new System.Drawing.Size（56, 23）; this.label3.TabIndex = 23; this.label3.Text = 密 码 / label2 this.label2.Font = new System.Drawing.Font（ this.label2.ForeColor = System.Drawing.C
9、olor.Black; this.label2.Location = new System.Drawing.Point（66, 96）; this.label2.Name = label2 this.label2.Size = new System.Drawing.Size（56, 23）; this.label2.TabIndex = 22; this.label2.Text = 用户名 / label1 this.label1.Font = new System.Drawing.Font（楷体, 18F, System.Drawing.FontStyle.Bold, System.Draw
10、ing.GraphicsUnit.Point, （byte）（134）; this.label1.ForeColor = System.Drawing.Color.Black; this.label1.Location = new System.Drawing.Point（42, 48）; this.label1.Name = label1 this.label1.Size = new System.Drawing.Size（208, 28）; this.label1.TabIndex = 21; this.label1.Text = 理财管理信息系统 / comboName boName.L
11、ocation = new System.Drawing.Point（130, 96）; boName.Name = comboName boName.Size = new System.Drawing.Size（104, 20）; boName.TabIndex = 28; / Login this.AutoScaleBaseSize = new System.Drawing.Size（6, 14）; this.BackColor = System.Drawing.Color.SeaShell; this.BackgroundImage = （System.Drawing.Image）（re
12、sources.GetObject（$this.BackgroundImage）; this.ClientSize = new System.Drawing.Size（298, 287）; this.Controls.Add（boName）; this.Controls.Add（this.btClose）; this.Controls.Add（this.btSure）; this.Controls.Add（this.password）; this.Controls.Add（this.label3）; this.Controls.Add（this.label2）; this.Controls.A
13、dd（this.label1）; this.MaximizeBox = false; this.MinimizeBox = false; this.Name = Login this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = 登录 this.Load += new System.EventHandler（this.Login_Load）; this.ResumeLayout（false）; this.PerformLayout（）; #endregion / 应用程序的主入口
14、点。 STAThread static void Main（） Application.Run（new MainForm（）; private void btSure_Click（object sender, System.EventArgs e） try string sql=select uName,PWD from family where uName=+boName.Text + if（oleConnection1=null） oleConnection1 = MainForm.getConnection（）; OleDbCommand cmd = oleConnection1.Cre
15、ateCommand（）; cmd.CommandText =sql; OleDbDataReader dr = cmd.ExecuteReader（）; if（!dr.Read（） MessageBox.Show（无此用户，请重试！,提示）; dr.Close（）; cmd.Dispose（）; return; else if（!dr.GetString（1）.Equals （this.password.Text.ToString（） MessageBox.Show（n密码错误，请重试！ dr.Close（）; cmd.Dispose（）; return; Menu mainmenu=（MainForm）（this.MdiParent）.getMainMenu（）; for （int i=0;i0） boName.SelectedIndex=0; dr.Close（）; cmd.Dispose（）; 主界面：using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data; this.btSure.Location = new System.Drawing.Poi
