ABADev blog

http://msdn.microsoft.com/ru-ru/library/ms171619(en-us,VS.80).aspx

 using System;
using System.Drawing;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;

class Form1 : Form
{
    private DataGridView dataGridView1 = new DataGridView();

    [STAThread]
    public static void Main()
    {
        Application.EnableVisualStyles();
        Application.Run(new Form1());
    }

    public Form1()
    {
        this.AutoSize = true;
        this.Load += new EventHandler(Form1_Load);
    }

    public void Form1_Load(object sender, EventArgs e)
    {
        DataGridViewCheckBoxColumn column0 =
            new DataGridViewCheckBoxColumn();
        DataGridViewDisableButtonColumn column1 =
            new DataGridViewDisableButtonColumn();
        column0.Name = “CheckBoxes”;
        column1.Name = “Buttons”;
        dataGridView1.Columns.Add(column0);
        dataGridView1.Columns.Add(column1);
        dataGridView1.RowCount = 8;
        dataGridView1.AutoSize = true;
        dataGridView1.AllowUserToAddRows = false;
        dataGridView1.ColumnHeadersDefaultCellStyle.Alignment =
            DataGridViewContentAlignment.MiddleCenter;

        // Set the text for each button.
        for (int i = 0; i < dataGridView1.RowCount; i++)
        {
            dataGridView1.Rows[i].Cells["Buttons"].Value =
                “Button ” + i.ToString();
        }

        dataGridView1.CellValueChanged +=
            new DataGridViewCellEventHandler(dataGridView1_CellValueChanged);
        dataGridView1.CurrentCellDirtyStateChanged +=
            new EventHandler(dataGridView1_CurrentCellDirtyStateChanged);
        dataGridView1.CellClick +=
            new DataGridViewCellEventHandler(dataGridView1_CellClick);

        this.Controls.Add(dataGridView1);
    }

    // This event handler manually raises the CellValueChanged event
    // by calling the CommitEdit method.
    void dataGridView1_CurrentCellDirtyStateChanged(object sender,
        EventArgs e)
    {
        if (dataGridView1.IsCurrentCellDirty)
        {
            dataGridView1.CommitEdit(DataGridViewDataErrorContexts.Commit);
        }
    }

    // If a check box cell is clicked, this event handler disables 
    // or enables the button in the same row as the clicked cell.
    public void dataGridView1_CellValueChanged(object sender,
        DataGridViewCellEventArgs e)
    {
        if (dataGridView1.Columns[e.ColumnIndex].Name == “CheckBoxes”)
        {
            DataGridViewDisableButtonCell buttonCell =
                (DataGridViewDisableButtonCell)dataGridView1.
                Rows[e.RowIndex].Cells["Buttons"];

            DataGridViewCheckBoxCell checkCell =
                (DataGridViewCheckBoxCell)dataGridView1.
                Rows[e.RowIndex].Cells["CheckBoxes"];
            buttonCell.Enabled = !(Boolean)checkCell.Value;

            dataGridView1.Invalidate();
        }
    }

    // If the user clicks on an enabled button cell, this event handler 
    // reports that the button is enabled.
    void dataGridView1_CellClick(object sender,
        DataGridViewCellEventArgs e)
    {
        if (dataGridView1.Columns[e.ColumnIndex].Name == “Buttons”)
        {
            DataGridViewDisableButtonCell buttonCell =
                (DataGridViewDisableButtonCell)dataGridView1.
                Rows[e.RowIndex].Cells["Buttons"];

            if (buttonCell.Enabled)
            {
                MessageBox.Show(dataGridView1.Rows[e.RowIndex].
                    Cells[e.ColumnIndex].Value.ToString() +
                    ” is enabled”);
            }
        }
    }
}

public class DataGridViewDisableButtonColumn : DataGridViewButtonColumn
{
    public DataGridViewDisableButtonColumn()
    {
        this.CellTemplate = new DataGridViewDisableButtonCell();
    }
}

public class DataGridViewDisableButtonCell : DataGridViewButtonCell
{
    private bool enabledValue;
    public bool Enabled
    {
        get
        {
            return enabledValue;
        }
        set
        {
            enabledValue = value;
        }
    }

    // Override the Clone method so that the Enabled property is copied.
    public override object Clone()
    {
        DataGridViewDisableButtonCell cell =
            (DataGridViewDisableButtonCell)base.Clone();
        cell.Enabled = this.Enabled;
        return cell;
    }

    // By default, enable the button cell.
    public DataGridViewDisableButtonCell()
    {
        this.enabledValue = true;
    }

    protected override void Paint(Graphics graphics,
        Rectangle clipBounds, Rectangle cellBounds, int rowIndex,
        DataGridViewElementStates elementState, object value,
        object formattedValue, string errorText,
        DataGridViewCellStyle cellStyle,
        DataGridViewAdvancedBorderStyle advancedBorderStyle,
        DataGridViewPaintParts paintParts)
    {
        // The button cell is disabled, so paint the border, 
        // background, and disabled button for the cell.
        if (!this.enabledValue)
        {
            // Draw the cell background, if specified.
            if ((paintParts & DataGridViewPaintParts.Background) ==
                DataGridViewPaintParts.Background)
            {
                SolidBrush cellBackground =
                    new SolidBrush(cellStyle.BackColor);
                graphics.FillRectangle(cellBackground, cellBounds);
                cellBackground.Dispose();
            }

            // Draw the cell borders, if specified.
            if ((paintParts & DataGridViewPaintParts.Border) ==
                DataGridViewPaintParts.Border)
            {
                PaintBorder(graphics, clipBounds, cellBounds, cellStyle,
                    advancedBorderStyle);
            }

            // Calculate the area in which to draw the button.
            Rectangle buttonArea = cellBounds;
            Rectangle buttonAdjustment =
                this.BorderWidths(advancedBorderStyle);
            buttonArea.X += buttonAdjustment.X;
            buttonArea.Y += buttonAdjustment.Y;
            buttonArea.Height -= buttonAdjustment.Height;
            buttonArea.Width -= buttonAdjustment.Width;

            // Draw the disabled button.               
            ButtonRenderer.DrawButton(graphics, buttonArea,
                PushButtonState.Disabled);

            // Draw the disabled button text.
            if (this.FormattedValue is String)
            {
                TextRenderer.DrawText(graphics,
                    (string)this.FormattedValue,
                    this.DataGridView.Font,
                    buttonArea, SystemColors.GrayText);
            }
        }
        else
        {
            // The button cell is enabled, so let the base class
            // handle the painting.
            base.Paint(graphics, clipBounds, cellBounds, rowIndex,
                elementState, value, formattedValue, errorText,
                cellStyle, advancedBorderStyle, paintParts);
        }
    }
}

http://msdn.microsoft.com/ru-ru/library/7tas5c80(en-us,VS.80).aspx

using System; 
using System.Windows.Forms; 
 
public class CalendarColumn : DataGridViewColumn 
{ 
    public CalendarColumn() : base(new CalendarCell()) 
    { 
    } 
    public override DataGridViewCell CellTemplate 
    { 
        get 
        { 
            return base.CellTemplate; 
        } 
        set 
        { 
            // Ensure that the cell used for the template is a CalendarCell. 
            if (value != null && 
                !value.GetType().IsAssignableFrom(typeof(CalendarCell))) 
            { 
                throw new InvalidCastException("Must be a CalendarCell"); 
            } 
            base.CellTemplate = value; 
        } 
    } 
} 
public class CalendarCell : DataGridViewTextBoxCell 
{ 
    public CalendarCell() 
        : base() 
    { 
        // Use the short date format. 
        this.Style.Format = "d"; 
    } 
    public override void InitializeEditingControl(int rowIndex, object 
        initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle) 
    { 
        // Set the value of the editing control to the current cell value. 
        base.InitializeEditingControl(rowIndex, initialFormattedValue, 
            dataGridViewCellStyle); 
        CalendarEditingControl ctl = 
            DataGridView.EditingControl as CalendarEditingControl; 
        ctl.Value = (DateTime)this.Value; 
    } 
    public override Type EditType 
    { 
        get 
        { 
            // Return the type of the editing contol that CalendarCell uses. 
            return typeof(CalendarEditingControl); 
        } 
    } 
    public override Type ValueType 
    { 
        get 
        { 
            // Return the type of the value that CalendarCell contains. 
            return typeof(DateTime); 
        } 
    } 
    public override object DefaultNewRowValue 
    { 
        get 
        { 
            // Use the current date and time as the default value. 
            return DateTime.Now; 
        } 
    } 
} 
class CalendarEditingControl : DateTimePicker, IDataGridViewEditingControl 
{ 
    DataGridView dataGridView; 
    private bool valueChanged = false; 
    int rowIndex; 
    public CalendarEditingControl() 
    { 
        this.Format = DateTimePickerFormat.Short; 
    } 
    // Implements the IDataGridViewEditingControl.EditingControlFormattedValue 
    // property. 
    public object EditingControlFormattedValue 
    { 
        get 
        { 
            return this.Value.ToShortDateString(); 
        } 
        set 
        { 
            if (value is String) 
            { 
                this.Value = DateTime.Parse((String)value); 
            } 
        } 
    } 
    // Implements the 
    // IDataGridViewEditingControl.GetEditingControlFormattedValue method. 
    public object GetEditingControlFormattedValue( 
        DataGridViewDataErrorContexts context) 
    { 
        return EditingControlFormattedValue; 
    } 
    // Implements the 
    // IDataGridViewEditingControl.ApplyCellStyleToEditingControl method. 
    public void ApplyCellStyleToEditingControl( 
        DataGridViewCellStyle dataGridViewCellStyle) 
    { 
        this.Font = dataGridViewCellStyle.Font; 
        this.CalendarForeColor = dataGridViewCellStyle.ForeColor; 
        this.CalendarMonthBackground = dataGridViewCellStyle.BackColor; 
    } 
    // Implements the IDataGridViewEditingControl.EditingControlRowIndex 
    // property. 
    public int EditingControlRowIndex 
    { 
        get 
        { 
            return rowIndex; 
        } 
        set 
        { 
            rowIndex = value; 
        } 
    } 
    // Implements the IDataGridViewEditingControl.EditingControlWantsInputKey 
    // method. 
    public bool EditingControlWantsInputKey( 
        Keys key, bool dataGridViewWantsInputKey) 
    { 
        // Let the DateTimePicker handle the keys listed. 
        switch (key & Keys.KeyCode) 
        { 
            case Keys.Left: 
            case Keys.Up: 
            case Keys.Down: 
            case Keys.Right: 
            case Keys.Home: 
            case Keys.End: 
            case Keys.PageDown: 
            case Keys.PageUp: 
                return true; 
            default: 
                return false; 
        } 
    } 
    // Implements the IDataGridViewEditingControl.PrepareEditingControlForEdit 
    // method. 
    public void PrepareEditingControlForEdit(bool selectAll) 
    { 
        // No preparation needs to be done. 
    } 
    // Implements the IDataGridViewEditingControl 
    // .RepositionEditingControlOnValueChange property. 
    public bool RepositionEditingControlOnValueChange 
    { 
        get 
        { 
            return false; 
        } 
    } 
    // Implements the IDataGridViewEditingControl 
    // .EditingControlDataGridView property. 
    public DataGridView EditingControlDataGridView 
    { 
        get 
        { 
            return dataGridView; 
        } 
        set 
        { 
            dataGridView = value; 
        } 
    } 
    // Implements the IDataGridViewEditingControl 
    // .EditingControlValueChanged property. 
    public bool EditingControlValueChanged 
    { 
        get 
        { 
            return valueChanged; 
        } 
        set 
        { 
            valueChanged = value; 
        } 
    } 
    // Implements the IDataGridViewEditingControl 
    // .EditingPanelCursor property. 
    public Cursor EditingPanelCursor 
    { 
        get 
        { 
            return base.Cursor; 
        } 
    } 
    protected override void OnValueChanged(EventArgs eventargs) 
    { 
        // Notify the DataGridView that the contents of the cell 
        // have changed. 
        valueChanged = true; 
        this.EditingControlDataGridView.NotifyCurrentCellDirty(true); 
        base.OnValueChanged(eventargs); 
    } 
} 
public class Form1 : Form 
{ 
    private DataGridView dataGridView1 = new DataGridView();
    [STAThreadAttribute()] 
    public static void Main() 
    { 
        Application.Run(new Form1()); 
    } 
    public Form1() 
    { 
        this.dataGridView1.Dock = DockStyle.Fill; 
        this.Controls.Add(this.dataGridView1); 
        this.Load += new EventHandler(Form1_Load); 
        this.Text = "DataGridView calendar column demo"; 
    } 
    private void Form1_Load(object sender, EventArgs e) 
    { 
        CalendarColumn col = new CalendarColumn(); 
        this.dataGridView1.Columns.Add(col); 
        this.dataGridView1.RowCount = 5; 
        foreach (DataGridViewRow row in this.dataGridView1.Rows) 
        { 
            row.Cells[0].Value = DateTime.Now; 
        } 
    } 
}