新萄京计算机网络

 新萄京计算机网络     |      2020-04-01

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

  /// <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 );
  }

  private DataSet LoadDataSet()
  {
   SqlConnection con=new SqlConnection("server=.;uid=sa;pwd=sa;database=ex;");
   con.Open();
   SqlDataAdapter da=new SqlDataAdapter("select * from UserInfo",con);
   DataSet ds=new DataSet();
   da.Fill(ds,"UserInfo");

  //MS SQL数据库连接

  private DataSet myDataSet = null;
  private System.Windows.Forms.Label label1;
  private int i=0;
  public DataSet MyDataSet
  {
   get
   { return myDataSet;}
   set
   { myDataSet = ;}
  }

namespace sqlconnction
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Button buttonBack;
  private System.Windows.Forms.Button buttonNext;
  private System.Windows.Forms.TextBox textName;
  private System.Windows.Forms.Label labelName;
  private System.Windows.Forms.TextBox textPassword;
  private System.Windows.Forms.Label labelPassword;
  private System.Windows.Forms.Button buttonFirst;
  private System.Windows.Forms.Button buttonLast;

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

   return ds;
  }
  /// <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();
   Init();

  //定义全局变量

  #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.buttonBack = new System.Windows.Forms.Button();
   this.buttonNext = new System.Windows.Forms.Button();
   this.textName = new System.Windows.Forms.TextBox();
   this.labelName = new System.Windows.Forms.Label();
   this.textPassword = new System.Windows.Forms.TextBox();
   this.labelPassword = new System.Windows.Forms.Label();
   this.buttonFirst = new System.Windows.Forms.Button();
   this.buttonLast = new System.Windows.Forms.Button();
   this.label1 = new System.Windows.Forms.Label();
   this.SuspendLayout();
   //
   // buttonBack
   //
   this.buttonBack.Location = new System.Drawing.Point(64, 176);
   this.buttonBack.Name = "buttonBack";
   this.buttonBack.TabIndex = 0;