form1.cs

好的系统

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

namespace CJGL
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox userName;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.TextBox password;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// 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(Form1));
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.label1 = new System.Windows.Forms.Label();
			this.userName = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.password = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// pictureBox1
			// 
			this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
			this.pictureBox1.Location = new System.Drawing.Point(0, 0);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(368, 50);
			this.pictureBox1.TabIndex = 0;
			this.pictureBox1.TabStop = false;
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.Location = new System.Drawing.Point(64, 64);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(72, 23);
			this.label1.TabIndex = 1;
			this.label1.Text = "用户名";
			// 
			// userName
			// 
			this.userName.Location = new System.Drawing.Point(144, 64);
			this.userName.Name = "userName";
			this.userName.Size = new System.Drawing.Size(104, 21);
			this.userName.TabIndex = 0;
			this.userName.Text = "";
			// 
			// label2
			// 
			this.label2.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.Location = new System.Drawing.Point(64, 96);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(72, 23);
			this.label2.TabIndex = 3;
			this.label2.Text = "密码";
			// 
			// password
			// 
			this.password.Location = new System.Drawing.Point(144, 96);
			this.password.Name = "password";
			this.password.PasswordChar = '*';
			this.password.Size = new System.Drawing.Size(104, 21);
			this.password.TabIndex = 1;
			this.password.Text = "";
			// 
			// button1
			// 
			this.button1.BackColor = System.Drawing.Color.DodgerBlue;
			this.button1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button1.Location = new System.Drawing.Point(64, 160);
			this.button1.Name = "button1";
			this.button1.TabIndex = 2;
			this.button1.Text = "登录";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.BackColor = System.Drawing.Color.DodgerBlue;
			this.button2.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.button2.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button2.Location = new System.Drawing.Point(200, 160);
			this.button2.Name = "button2";
			this.button2.TabIndex = 3;
			this.button2.Text = "取消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// Form1
			// 
			this.AcceptButton = this.button1;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.Color.AntiqueWhite;
			this.CancelButton = this.button2;
			this.ClientSize = new System.Drawing.Size(352, 205);
			this.ControlBox = false;
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.password);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.userName);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.pictureBox1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D;
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "学生成绩管理系统";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

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

		private void button1_Click(object sender, System.EventArgs e)
		{
			DataAccess ds=new DataAccess();
			string name=this.userName.Text.Trim();
		    string pwd=this.password.Text.Trim();
			string strSql="SELECT * FROM administrator where username='"+name+ "' and password='"+pwd+"'";
			if(ds.GetCount(strSql)>0)
			{
				
				WinMain wm=new WinMain();
				wm.ShowDialog();
				this.Close();
			}
			else
			{
				MessageBox.Show("请正确输入你的用户名和密码");
			}
			
			
		
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
		    
		}
	}
}