DateTime Picker in GridView
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace net.ERP.Modules.Land.GUI.Transactions
{
public class DateTimePickerColumn : DataGridViewColumn
{
public DateTimePickerColumn()
: base(new DateTimePickerCell())
{
}
public override DataGridViewCell CellTemplate
{
get
{
return base.CellTemplate;
}
set
{
// Ensure that the cell used for the template is a DateTimePickerCell.
if (value != null &&
!value.GetType().IsAssignableFrom(typeof(DateTimePickerCell)))
{
throw new InvalidCastException("Must be a DateTimePickerCell");
}
base.CellTemplate = value;
}
}
private void InitializeComponent()
{
System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle1 = new System.Windows.Forms.DataGridViewCellStyle();
//
// DateTimePickerColumn
//
dataGridViewCellStyle1.Format = "d";
dataGridViewCellStyle1.NullValue = null;
this.DefaultCellStyle = dataGridViewCellStyle1;
}
}
public class DateTimePickerCell : DataGridViewTextBoxCell
{
public DateTimePickerCell()
: base()
{
// Use the custom defined date format.
this.Style.Format = DateTime.Today.ToString("MM-dd-yyyy");
}
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);
DateTimePickerEditingControl ctl = (DateTimePickerEditingControl)DataGridView.EditingControl;
DateTime d;
ctl.Value = DateTime.TryParse((Value ?? "").ToString(), out d) ? d : DateTime.Now;
/*Check whether the datagridview is databound/unbound. In both cases if the value of the cell
isn't null then check the DateTimePickerEditing Control else uncheck it.*/
if (ctl.EditingControlDataGridView.CurrentCell.OwningColumn.IsDataBound)
ctl.Checked = Value.ToString() == "" ? false : Value == null ? false : true;
else
ctl.Checked = Value == null ? false : true;
}
public override Type EditType
{
get
{
// Return the type of the editing contol that DateTimePickerCell uses.
return typeof(DateTimePickerEditingControl);
}
}
public override Type ValueType
{
get
{
// Return the type of the value that DateTimePickerCell contains.
return typeof(DateTime);
}
}
public override object DefaultNewRowValue
{
get
{
//Return null as the default value for new row.
return null;
}
}
}
class DateTimePickerEditingControl : DateTimePicker, IDataGridViewEditingControl
{
DataGridView dataGridView;
private bool valueChanged = false;
int rowIndex;
public DateTimePickerEditingControl()
{
this.Format = DateTimePickerFormat.Custom;
// this.CustomFormat = DateTime.Now.ToString("MM-dd-yyyy");
//this.ShowCheckBox = true;
//this.Checked = false;
}
// Implements the IDataGridViewEditingControl.EditingControlFormattedValue
// property.
public object EditingControlFormattedValue
{
get
{
return this.Value.ToString();
}
set
{
if (value is String)
{
this.Value = DateTime.Parse((String)value);
//this.Value = Convert.ToString(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 !dataGridViewWantsInputKey;
}
}
// 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);
}
}
}
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