急！请问winform下怎样在DataGrid下加控件。

Question

继承DataGridTextColumn或DataGridColumnStyle

Answer 1

http://community.csdn.net/Expert/topic/3759/3759604.xml?temp=.9119379

Answer 2

转的篇文章
《在WinForm的DataGrid中加入ComboBox》
http://www.csnote.com/csnote/blogview.asp?logID=13

Answer 3

http://blog.csdn.net/zhzuo/archive/2004/05/31/22036.aspx

Answer 4

http://www.syncfusion.com/FAQ/WinForms/FAQ_c44c.asp

Answer 5

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace DataGridTest
{
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.DataGrid dgdFunctionArea;
private DataTable dtblFunctionalArea;
private System.Windows.Forms.Button buttonFocus;
private System.ComponentModel.Container components = null;
public Form1()
{
InitializeComponent();
PopulateGrid();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null) 
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows
private void InitializeComponent() {
this.dgdFunctionArea = new System.Windows.Forms.DataGrid();
this.buttonFocus = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)(this.dgdFunctionArea)).BeginInit();
this.SuspendLayout();
// 
// dgdFunctionArea
// 
this.dgdFunctionArea.CaptionBackColor = System.Drawing.SystemColors.Control;
this.dgdFunctionArea.CaptionVisible = false;
this.dgdFunctionArea.DataMember = "";
this.dgdFunctionArea.HeaderFont = new System.Drawing.Font("ＭＳ ゴシック", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(128)));
this.dgdFunctionArea.HeaderForeColor = System.Drawing.Color.LightSeaGreen;
this.dgdFunctionArea.Location = new System.Drawing.Point(3, 7);
this.dgdFunctionArea.Name = "dgdFunctionArea";
this.dgdFunctionArea.SelectionBackColor = System.Drawing.SystemColors.HotTrack;
this.dgdFunctionArea.Size = new System.Drawing.Size(493, 449);
this.dgdFunctionArea.TabIndex = 0;
// 
// buttonFocus
// 
this.buttonFocus.Location = new System.Drawing.Point(368, 464);
this.buttonFocus.Name = "buttonFocus";
this.buttonFocus.Size = new System.Drawing.Size(70, 20);
this.buttonFocus.TabIndex = 1;
this.buttonFocus.Text = "获取焦点";
this.buttonFocus.Click += new System.EventHandler(this.buttonFocus_Click);
// 
// Form1
// 
this.AutoScaleBaseSize = new System.Drawing.Size(5, 12);
this.ClientSize = new System.Drawing.Size(504, 509);
this.Controls.Add(this.buttonFocus);
this.Controls.Add(this.dgdFunctionArea);
this.Name = "Form1";
this.Text = "Form1";
((System.ComponentModel.ISupportInitialize)(this.dgdFunctionArea)).EndInit();
this.ResumeLayout(false); } #endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main() 
{
Application.Run(new Form1());
}
//初始化DataGrid
private void PopulateGrid()
{
//创建一个DataTable对象，包括四列，前三列为String，最后一列为Boolean。
dtblFunctionalArea  = new DataTable ("FunctionArea");
string[] arrstrFunctionalArea = new string [3]{"Functional Area","Min","Max"};
DataColumn dtCol = null;
//创建String列
//创建Boolean列，用CheckedBox来显示
DataColumn dtcCheck = new DataColumn(string.Empty);     
dtcCheck.DataType = System.Type.GetType("System.Boolean");
dtcCheck.DefaultValue = false;
dtblFunctionalArea.Columns.Add(dtcCheck); for(int i=0; i< 3;i++)
{    
dtCol = new DataColumn(arrstrFunctionalArea[i]);    //head
dtCol.DataType  = Type.GetType("System.String");    //Column Format     
dtCol.DefaultValue = "";                           
dtblFunctionalArea.Columns.Add(dtCol);               
}      //把表绑定到DataGrid
dgdFunctionArea.DataSource    = dtblFunctionalArea;  
//为DataGrid加载DataGridTableStyle样式 if(!dgdFunctionArea.TableStyles.Contains("FunctionArea"))
{
DataGridTableStyle dgdtblStyle = new DataGridTableStyle();
dgdtblStyle.MappingName = dtblFunctionalArea.TableName;
dgdFunctionArea.TableStyles.Add(dgdtblStyle); 
dgdtblStyle.RowHeadersVisible = false;
dgdtblStyle.HeaderBackColor = Color.LightSteelBlue;
dgdtblStyle.AllowSorting  = false;
dgdtblStyle.HeaderBackColor = Color.FromArgb(8,36,107);
dgdtblStyle.RowHeadersVisible = false;
dgdtblStyle.HeaderForeColor = Color.White;
dgdtblStyle.HeaderFont = new System.Drawing.Font("Microsoft Sans Serif", 9F,  
System.Drawing.FontStyle.Bold, 
System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
dgdtblStyle.GridLineColor = Color.DarkGray;
dgdtblStyle.PreferredRowHeight = 22;
dgdFunctionArea.BackgroundColor = Color.White;  
//设置列的宽度  
GridColumnStylesCollection colStyle = dgdFunctionArea.TableStyles[0].GridColumnStyles;
colStyle[0].Width = 50;
colStyle[1].Width = 150;
colStyle[2].Width = 150;
colStyle[3].Width = 88;
                colStyle[2].DataGridTableStyle.HeaderBackColor  = System.Drawing.Color.BurlyWood;     
} DataGridTextBoxColumn dgtb = (DataGridTextBoxColumn)dgdFunctionArea.TableStyles[0].GridColumnStyles[1]; 
ComboBox cmbFunctionArea = new ComboBox();
cmbFunctionArea.Items.AddRange(new object[]{"选项一","选项二","选项三"});
cmbFunctionArea.Cursor = Cursors.Arrow;
cmbFunctionArea.DropDownStyle= ComboBoxStyle.DropDownList;
cmbFunctionArea.Dock = DockStyle.Fill;
//在选定项发生更改并且提交了该更改后发生
cmbFunctionArea.SelectionChangeCommitted += new EventHandler(cmbFunctionArea_SelectionChangeCommitted); 
//把ComboBox添加到DataGridTableStyle的第一列
dgtb.TextBox.Controls.Add(cmbFunctionArea);             
}
//设置焦点模拟
private void GetFocus(int row,int col)
{   
//先把焦点移动到DataGrid
this.dgdFunctionArea.Focus();   
//把焦点移动到DataGridCell 
DataGridCell dgc = new DataGridCell(row,col); 
this.dgdFunctionArea.CurrentCell = dgc; 
DataGridTextBoxColumn dgtb = (DataGridTextBoxColumn)dgdFunctionArea.TableStyles[0].GridColumnStyles[col]; 
//设置焦点
dgtb.TextBox.Focus();
}          
//把Combobox上修改的数据提交到当前的网格
private void cmbFunctionArea_SelectionChangeCommitted(object sender, EventArgs e)
{
this.dgdFunctionArea[this.dgdFunctionArea.CurrentCell] = ((ComboBox)sender).SelectedItem.ToString();
}        
//设置新的焦点
private void buttonFocus_Click(object sender, System.EventArgs e)
{
//焦点模拟,这里设置第三行第一列
GetFocus(2,1);
}
}
}