How to create a timepicker column datagridview

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C#

Hi,

I want to create a datetimepicker column in datagridview in c# for get time from user for attendance purpose.

I am create this class

public class CalendarColumn : DataGridViewColumn
    {
    public CalendarColumn() : base(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()
        : base()
    {
     
    }

    public override void InitializeEditingControl(int rowIndex, object
        initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
    {
      
        base.InitializeEditingControl(rowIndex, initialFormattedValue,
            dataGridViewCellStyle);
        CalendarEditingControl ctl =
            DataGridView.EditingControl as CalendarEditingControl;
        if (this.Value == null)
        {
            ctl.Value = (DateTime)this.DefaultNewRowValue;
        }
       
    }
    public override Type EditType
    {
        get
        {
             return typeof(CalendarEditingControl);
        }
    }
    public override Type ValueType
    {
        get
        {
              return typeof(DateTime);
        }
    }
    public override object DefaultNewRowValue
    {
        get
        {
           
            return DateTime.Now;
        }
    }
}

class CalendarEditingControl : DateTimePicker, IDataGridViewEditingControl
{
    DataGridView dataGridView;
    private bool valueChanged = false;
    int rowIndex;

    public CalendarEditingControl()
    {
        this.Format = DateTimePickerFormat.Time;
    }

     public object EditingControlFormattedValue
    {
        get
        {
            return this.Value.ToShortTimeString();
        }
        set
        {            
            if (value is String)
            {
                try
                {
                  
                    this.Value = DateTime.Parse((String) value);
                }
                catch
                {
                  
                    this.Value = DateTime.Now;
                }
            }
        }
    }

   
    public object GetEditingControlFormattedValue(
        DataGridViewDataErrorContexts context)
    {
        return EditingControlFormattedValue;
    }

   
    public void ApplyCellStyleToEditingControl(
        DataGridViewCellStyle dataGridViewCellStyle)
    {
        this.Font = dataGridViewCellStyle.Font;
        this.CalendarForeColor = dataGridViewCellStyle.ForeColor;
        this.CalendarMonthBackground = dataGridViewCellStyle.BackColor;
        this.ShowCheckBox = true;
        this.ShowUpDown = true;
        
    }

    public int EditingControlRowIndex
    {
        get
        {
            return rowIndex;
        }
        set
        {
            rowIndex = value;
        }
    }

    public bool EditingControlWantsInputKey(
        Keys key, bool dataGridViewWantsInputKey)
    {
        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 !dataGridViewWantsInputKey;
        }
    }

    public void PrepareEditingControlForEdit(bool selectAll)
    {
     }
 
    public bool RepositionEditingControlOnValueChange
    {
        get
        {
            return false;
        }
    }

     public DataGridView EditingControlDataGridView
    {
        get
        {
            return dataGridView;
        }
        set
        {
            dataGridView = value;
        }
    }

     public bool EditingControlValueChanged
    {
        get
        {
            return valueChanged;
        }
        set
        {
            valueChanged = value;
        }
    }

     public Cursor EditingPanelCursor
    {
        get
        {
            return base.Cursor;
        }
    }

    protected override void OnValueChanged(EventArgs eventargs)
    {
          valueChanged = true;
        this.EditingControlDataGridView.NotifyCurrentCellDirty(true);
        base.OnValueChanged(eventargs);
    }
}

I want to view or select time only. Above code is working well. But when I change
the time it displays with date and time. I want to display only time. How to do it. Please anyone can help me?