form1.cs

这是一个c#源代码 是贪吃蛇的 觉得挺好的

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

namespace Student
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button button1;
		/// <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()
		{
            this.label1 = new System.Windows.Forms.Label();
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(32, 16);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(360, 136);
            this.label1.TabIndex = 0;
            this.label1.Text = "label1";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(144, 184);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(128, 23);
            this.button1.TabIndex = 1;
            this.button1.Text = "连接并读取";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(400, 245);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.label1);
            this.Name = "Form1";
            this.Text = "Form1";
            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 button1_Click(object sender, System.EventArgs e)
		{
			string CString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Student.MDB";
			string SQLStr="Select * From Student where Sex='女'";
			string strRow="";
			OleDbConnection MyCon=new OleDbConnection(CString);
			try
			{
				MyCon.Open();
				MessageBox.Show("已正确建立连接","连接正确对话框");
			}
			catch(OleDbException OleDbe)
			{
					MessageBox.Show(OleDbe.Message,"连接失败对话框");
				return;
			}
			OleDbCommand MyCom=new OleDbCommand();
			MyCom.Connection=MyCon;
			MyCom.CommandType=CommandType.Text;
			MyCom.CommandText=SQLStr;
			OleDbDataReader MyDataReader=MyCom.ExecuteReader();
			 
			label1.Text="";
			while(MyDataReader.Read())
			{
					strRow=MyDataReader.GetString(0);
				strRow=strRow+MyDataReader.GetString(1)+"";
				strRow=strRow+MyDataReader.GetString(2)+"";
				strRow=strRow+MyDataReader.GetString(3)+"";


				strRow=strRow+Convert.ToString(MyDataReader.GetDateTime(4))+"";
					strRow=strRow+MyDataReader.GetString(5);
				label1.Text=label1.Text+strRow+(char)10+(char)13;
			}
			MyDataReader.Close();
			MyCon.Close();
		}

        private void Form1_Load(object sender, EventArgs e)
        {

        }
	}
}