捕捉DataGrid的双击事件

namespaceDataGridDoubleClick{usingSystem;usin运维
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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="";

}

}

 

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