广告：
网页制作参考
千千学园
雨路开发频道
雨路技术文档
技术问答
编程技术

作者： abaowu

     namespace DataGridDoubleClick
  {
  using System;
  using System.Drawing;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  
  
  public class Form1 : System.Windows.Forms.Form
  {
  private System.Windows.Forms.DataGrid dataGrid1;
  private DataSet myDataSet;
  DateTime gridMouseDownTime;
  private System.Windows.Forms.Label label1;
  
  private System.ComponentModel.Container components = null;
  
  
  public Form1()
  {
  InitializeComponent();
  gridMouseDownTime = DateTime.Now;
  SetUp();
  }
  
  
  private void SetUp()
  {
  // 用2个Table和1和Relation创建DataSet
  MakeDataSet();
  // 数据绑定
  dataGrid1.SetDataBinding(myDataSet, "Customers");
  
  
  //添加样式
  AddCustomDataTableStyle();
  }
  
  
  private void MakeDataSet()
  {
  // 创建DataSet.
  myDataSet = new DataSet("myDataSet");
  
  // 创建2个DataTables.
  DataTable tCust = new DataTable("Customers");
  
  // 创建两个列，并添加到第一个表
  DataColumn cCustID = new DataColumn("custID");
  DataColumn cCustName = new DataColumn("custName");
  DataColumn cCurrent = new DataColumn("custCity");
  tCust.Columns.Add(cCustID);
  tCust.Columns.Add(cCustName);
  tCust.Columns.Add(cCurrent);
  
  
  // 把tables添加到DataSet.
  myDataSet.Tables.Add(tCust);
  
  
  /* 计算tables.对每个客户，创建DataRow变量 */
  DataRow newRow1;
  
  // 添加记录到 Customers Table.
  for(int i = 1; i < 4; i++)
  {
  newRow1 = tCust.NewRow();
  newRow1["custID"] = (100*i).ToString();
  tCust.Rows.Add(newRow1);
  }
  
  
  tCust.Rows[0]["custName"] = "【孟宪会之精彩世界】";
  tCust.Rows[1]["custName"] = "net_lover";
  tCust.Rows[2]["custName"] = "http://XML.sz.luohuedu.net/";
  
  
  
  tCust.Rows[0]["custCity"] = "北京";
  tCust.Rows[1]["custCity"] = "上海";
  tCust.Rows[2]["custCity"] = "河南";
  }
  
  
  private void AddCustomDataTableStyle()
  {
  DataGridTableStyle ts1 = new DataGridTableStyle();
  ts1.MappingName = "Customers";
  // 设置属性
  ts1.AlternatingBackColor = Color.LightGray;
  
  
  // 添加Textbox列样式，以便我们捕捉鼠标事件
  DataGridTextBoxColumn TextCol = new DataGridTextBoxColumn();
  TextCol.MappingName = "custID";
  TextCol.HeaderText = "序号";
  TextCol.Width = 100;
  
  
  //添加事件处理器
  TextCol.TextBox.MouseDown += new MouseEventHandler(TextBoxMouseDownHandler);
  TextCol.TextBox.DoubleClick += new EventHandler(TextBoxDoubleClickHandler);
  ts1.GridColumnStyles.Add(TextCol);
  
  
  TextCol = new DataGridTextBoxColumn();
  TextCol.MappingName = "custName";
  TextCol.HeaderText = "姓名";
  TextCol.Width = 100;
  //添加事件处理器
  TextCol.TextBox.MouseDown += new MouseEventHandler(TextBoxMouseDownHandler);
  TextCol.TextBox.DoubleClick += new EventHandler(TextBoxDoubleClickHandler);
  ts1.GridColumnStyles.Add(TextCol);
  
  
  TextCol = new DataGridTextBoxColumn();
  TextCol.MappingName = "custCity";
  TextCol.HeaderText = "地址";
  TextCol.Width = 100;
  //添加事件处理器
  TextCol.TextBox.MouseDown += new MouseEventHandler(TextBoxMouseDownHandler);
  TextCol.TextBox.DoubleClick += new EventHandler(TextBoxDoubleClickHandler);
  ts1.GridColumnStyles.Add(TextCol);
  
  dataGrid1.TableStyles.Add(ts1);
  
  }
  
  
  protected override void Dispose( bool disposing )
  {
  if( disposing )
  {
  if (components != null)
  {
  components.Dispose();
  }
  }
  base.Dispose( disposing );
  }
  
  
  #region Windows Form Designer generated code
  private void InitializeComponent()
  {
  this.dataGrid1 = new System.Windows.Forms.DataGrid();
  this.label1 = new System.Windows.Forms.Label();
  ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
  this.SuspendLayout();
  //
  // dataGrid1
  //
  this.dataGrid1.CaptionBackColor = System.Drawing.SystemColors.Info;
  this.dataGrid1.CaptionForeColor = System.Drawing.SystemColors.WindowText;
  this.dataGrid1.CaptionVisible = false;
  this.dataGrid1.DataMember = "";
  this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
  this.dataGrid1.Location = new System.Drawing.Point(11, 9);
  this.dataGrid1.Name = "dataGrid1";
  this.dataGrid1.Size = new System.Drawing.Size(368, 144);
  this.dataGrid1.TabIndex = 0;
  this.dataGrid1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.dataGrid1_MouseDown);
  //
  // label1
  //
  this.label1.Location = new System.Drawing.Point(4, 166);
  this.label1.Name = "label1";
  this.label1.Size = new System.Drawing.Size(383, 23);
  this.label1.TabIndex = 1;
  this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
  this.label1.Click += new System.EventHandler(this.Form1_Click);
  //
  // Form1
  //
  this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
  this.ClientSize = new System.Drawing.Size(387, 201);
  this.Controls.AddRange(new System.Windows.Forms.Control[] {
  this.label1,
  this.dataGrid1});
  this.Name = "Form1";
  this.Text = "鼠标双击事件的例子";
  ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
  this.ResumeLayout(false);
  
  
  }
  #endregion
  
  
  [STAThread]
  static void Main()
  {
  Application.Run(new Form1());
  }
  
  
  private void TextBoxDoubleClickHandler(object sender, EventArgs e)
  {
  MessageBox.Show("双击事件发生。鼠标双击到的值："+((TextBox)sender).Text.ToString());
  }
  
  
  private void TextBoxMouseDownHandler(object sender, MouseEventArgs e)
  {
  if(DateTime.Now < gridMouseDownTime.AddMilliseconds(SystemInformation.DoubleClickTime))
  {
  MessageBox.Show("双击事件发生。鼠标双击到的值："+((TextBox)sender).Text.ToString());
  }
  label1.Text = "TextBox 鼠标按下了。 ";
  }
  
  
  private void dataGrid1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
  {
  gridMouseDownTime = DateTime.Now;
  label1.Text = "DataGrid1 鼠标按下了。 ";
  }
  
  
  private void Form1_Click(object sender, System.EventArgs e)
  {
  label1.Text="";
  }
  private void label1_Click(object sender, System.EventArgs e)
  {
  label1.Text="";
  }
  }
  }