Add Datetime picker in datagrid view

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using System; using System.Windows.Forms; using System.ComponentModel; namespace GridDateControl { public class GridDateControl : DataGridViewColumn { public GridDateControl(): base() { base.CellTemplate = new CalendarCell(); } public override DataGridViewCell CellTemplate { get { return base.CellTemplate; } set { if (!((value == null)) && !(value.GetType().IsAssignableFrom(typeof(CalendarCell)))) { throw new InvalidCastException("Must be a CalendarCell"); } base.CellTemplate = value; } } } public class CalendarCell : DataGridViewTextBoxCell { public CalendarCell() { this.Style.Format = "d"; } public override void InitializeEditingControl(int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle) { base.InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle); CalendarEditingControl ctl = (CalendarEditingControl)DataGridView.EditingControl; if (this.RowIndex >= 0) { if ((!object.ReferenceEquals(this.Value, DBNull.Value))) { if (this.Value != null) { if (this.Value != string.Empty) { try { ctl.Value = (DateTime)this.Value; } catch (Exception ex) { } } } } } } public override System.Type EditType { get { return typeof(CalendarEditingControl); } } public override System.Type ValueType { get { return typeof(DateTime); } } public override object DefaultNewRowValue { get { return DateTime.Now; } } } class CalendarEditingControl : DateTimePicker, IDataGridViewEditingControl { private DataGridView dataGridViewControl; private bool valueIsChanged = false; private int rowIndexNum; public CalendarEditingControl() { this.Format = DateTimePickerFormat.Short; } public object EditingControlFormattedValue { get { return this.Value.ToShortDateString(); } set { if (value is string) { this.Value = DateTime.Parse(System.Convert.ToString(value)); } } } public object GetEditingControlFormattedValue(DataGridViewDataErrorContexts context) { return this.Value.ToShortDateString(); } public void ApplyCellStyleToEditingControl(DataGridViewCellStyle dataGridViewCellStyle) { this.Font = dataGridViewCellStyle.Font; this.CalendarForeColor = dataGridViewCellStyle.ForeColor; this.CalendarMonthBackground = dataGridViewCellStyle.BackColor; } public int EditingControlRowIndex { get { return rowIndexNum; } set { rowIndexNum = value; } } public bool EditingControlWantsInputKey(Keys key, bool dataGridViewWantsInputKey) { if (Keys.KeyCode == Keys.Left || Keys.KeyCode == Keys.Up || Keys.KeyCode == Keys.Down || Keys.KeyCode == Keys.Right || Keys.KeyCode == Keys.Home || Keys.KeyCode == Keys.End || Keys.KeyCode == Keys.PageDown || Keys.KeyCode == Keys.PageUp) { return true; } else { return false; } } public void PrepareEditingControlForEdit(bool selectAll) { } public bool RepositionEditingControlOnValueChange { get { return false; } } public DataGridView EditingControlDataGridView { get { return dataGridViewControl; } set { dataGridViewControl = value; } } public bool EditingControlValueChanged { get { return valueIsChanged; } set { valueIsChanged = value; } } public Cursor EditingControlCursor { get { return base.Cursor; } } protected override void OnValueChanged(System.EventArgs eventargs) { valueIsChanged = true; this.EditingControlDataGridView.NotifyCurrentCellDirty(true); base.OnValueChanged(eventargs); } #region IDataGridViewEditingControl Members Cursor IDataGridViewEditingControl.EditingPanelCursor { get { return base.Cursor; }//throw new Exception("The method or operation is not implemented."); } } #endregion } }