login.cs

个人信息管理系统

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace personal
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class login : System.Windows.Forms.Form
	{
		private System.Windows.Forms.PictureBox pbtop;
		private System.Windows.Forms.Label lalusername;
		private System.Windows.Forms.Label lalpassword;
		private System.Windows.Forms.TextBox txtusername;
		private System.Windows.Forms.TextBox txtpassword;
		private System.Windows.Forms.Button btnloginin;
		private System.Windows.Forms.Button btnloginout;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		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
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		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
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(login));
			this.pbtop = new System.Windows.Forms.PictureBox();
			this.lalusername = new System.Windows.Forms.Label();
			this.lalpassword = new System.Windows.Forms.Label();
			this.txtusername = new System.Windows.Forms.TextBox();
			this.txtpassword = new System.Windows.Forms.TextBox();
			this.btnloginin = new System.Windows.Forms.Button();
			this.btnloginout = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// pbtop
			// 
			this.pbtop.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pbtop.BackgroundImage")));
			this.pbtop.Location = new System.Drawing.Point(0, 0);
			this.pbtop.Name = "pbtop";
			this.pbtop.Size = new System.Drawing.Size(360, 50);
			this.pbtop.TabIndex = 0;
			this.pbtop.TabStop = false;
			// 
			// lalusername
			// 
			this.lalusername.Location = new System.Drawing.Point(32, 80);
			this.lalusername.Name = "lalusername";
			this.lalusername.Size = new System.Drawing.Size(104, 24);
			this.lalusername.TabIndex = 1;
			this.lalusername.Text = "登陆用户";
			// 
			// lalpassword
			// 
			this.lalpassword.Location = new System.Drawing.Point(32, 112);
			this.lalpassword.Name = "lalpassword";
			this.lalpassword.Size = new System.Drawing.Size(104, 24);
			this.lalpassword.TabIndex = 2;
			this.lalpassword.Text = "登陆密码";
			// 
			// txtusername
			// 
			this.txtusername.Location = new System.Drawing.Point(152, 80);
			this.txtusername.Name = "txtusername";
			this.txtusername.Size = new System.Drawing.Size(160, 21);
			this.txtusername.TabIndex = 3;
			this.txtusername.Text = "";
			// 
			// txtpassword
			// 
			this.txtpassword.Location = new System.Drawing.Point(152, 112);
			this.txtpassword.Name = "txtpassword";
			this.txtpassword.PasswordChar = '*';
			this.txtpassword.Size = new System.Drawing.Size(160, 21);
			this.txtpassword.TabIndex = 4;
			this.txtpassword.Text = "";
			// 
			// btnloginin
			// 
			this.btnloginin.Location = new System.Drawing.Point(56, 152);
			this.btnloginin.Name = "btnloginin";
			this.btnloginin.Size = new System.Drawing.Size(72, 24);
			this.btnloginin.TabIndex = 5;
			this.btnloginin.Text = "登陆";
			this.btnloginin.Click += new System.EventHandler(this.btnloginin_Click);
			// 
			// btnloginout
			// 
			this.btnloginout.Location = new System.Drawing.Point(200, 152);
			this.btnloginout.Name = "btnloginout";
			this.btnloginout.Size = new System.Drawing.Size(72, 24);
			this.btnloginout.TabIndex = 6;
			this.btnloginout.Text = "退出";
			this.btnloginout.Click += new System.EventHandler(this.btnloginout_Click);
			// 
			// login
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(235)), ((System.Byte)(246)), ((System.Byte)(255)));
			this.ClientSize = new System.Drawing.Size(350, 214);
			this.Controls.Add(this.btnloginout);
			this.Controls.Add(this.btnloginin);
			this.Controls.Add(this.txtpassword);
			this.Controls.Add(this.txtusername);
			this.Controls.Add(this.lalpassword);
			this.Controls.Add(this.lalusername);
			this.Controls.Add(this.pbtop);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D;
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximizeBox = false;
			this.MaximumSize = new System.Drawing.Size(360, 250);
			this.MinimumSize = new System.Drawing.Size(360, 250);
			this.Name = "login";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "个人信息管理系统";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new login());
		}

		private void btnloginout_Click(object sender, System.EventArgs e)
		{
			Application.Exit();
		}

		private void btnloginin_Click(object sender, System.EventArgs e)
		{
			datalink mydatalink = new datalink();
			if (txtusername.Text==""||txtpassword.Text=="")
			{
				MessageBox.Show("你的登陆用户或登陆密码没填！\n","登陆失败",MessageBoxButtons.OK,MessageBoxIcon.Information);
			}
			else
			{
				if(mydatalink.checkname(txtusername.Text,txtpassword.Text))
				{
					personalfrm mypersonal=new personalfrm();
					mypersonal.Show();
					this.Close();
				}
				else
				{
					MessageBox.Show("你的登陆用户或登陆密码错误！\n","登陆失败",MessageBoxButtons.OK,MessageBoxIcon.Information);
				}
			}

		}
	}
}