login.cs

数据库文件先要导入

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

namespace 图书管理系统
{
	/// <summary>
	/// Form2 的摘要说明。
	/// </summary>
	public class login : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private Login.Login login1;
		/// <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>
		/// 
		[STAThread]
		static void Main() 
		{
			Application.Run(new login());
		}
		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()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.login1 = new Login.Login();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(56, 160);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(64, 23);
			this.button1.TabIndex = 1;
			this.button1.Text = "确定";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.CausesValidation = false;
			this.button2.Location = new System.Drawing.Point(200, 160);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(64, 23);
			this.button2.TabIndex = 2;
			this.button2.Text = "取消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// login1
			// 
			this.login1.Location = new System.Drawing.Point(48, 24);
			this.login1.LoginName = "";
			this.login1.Name = "login1";
			this.login1.PassWord = "";
			this.login1.Size = new System.Drawing.Size(216, 104);
			this.login1.TabIndex = 3;
			// 
			// login
			// 
			this.AcceptButton = this.button1;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(312, 214);
			this.Controls.Add(this.login1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Name = "login";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "图书馆系统";
			this.ResumeLayout(false);

		}
		#endregion

		private void button1_Click(object sender, System.EventArgs e)
		{
            LibClass lc=new LibClass();
			if(lc.login(login1.LoginName,login1.PassWord))
			{
				main m=new main();
				m.Show();
				this.Hide();
			}
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
	}
}