public override void InitializeEditingControl(int rowIndex, object initialFormattedValue, System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle)
{
base.InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle);
Controls.ComboBoxExtended control = DataGridView.EditingControl as Controls.ComboBoxExtended;
NjitComboBoxColumn column = (this.OwningColumn as NjitComboBoxColumn);
foreach (var property in column.ComboBoxExtended.GetType().GetProperties())
{
var attributes = property.GetCustomAttributes(typeof(System.ComponentModel.CategoryAttribute), true);
if (attributes.Length == 1 && ((System.ComponentModel.CategoryAttribute)attributes[0]).Category == "Njit" && property.CanRead && property.CanWrite)
{
property.SetValue(control, property.GetValue(column.ComboBoxExtended, null), null);
}
}
if (control.EditItemsEnabled == false)
{
if (control.DataSource == null)
{
control.Items.Clear();
foreach (object item in column.ComboBoxExtended.Items)
{
control.Items.Add(item);
}
}
}
else
{
control.RefreshData();
}
control.DropDownStyle = column.ComboBoxExtended.DropDownStyle;
control.AutoCompleteMode = column.ComboBoxExtended.AutoCompleteMode;
control.AutoCompleteSource = column.ComboBoxExtended.AutoCompleteSource;
control.AutoCompleteCustomSource = column.ComboBoxExtended.AutoCompleteCustomSource;
control.DataSource = column.ComboBoxExtended.DataSource;
control.DisplayMember = column.ComboBoxExtended.DisplayMember;
control.ValueMember = column.ComboBoxExtended.ValueMember;
if (control.DataSource != null && control.Items.Count > 0 && this.SelectedValue != null)
{
control.SelectedValue = this.SelectedValue;
this.RaiseCellValueChanged(new System.Windows.Forms.DataGridViewCellEventArgs(this.ColumnIndex, this.RowIndex));
}
else
{
if (this.Value == null || this.Value == DBNull.Value)
{
if ((this.OwningColumn as NjitComboBoxColumn).DefaultValue.IsNullOrEmpty() == false)
{
control.Text = (this.OwningColumn as NjitComboBoxColumn).DefaultValue;
}
}
else
{
control.Text = this.Value.ToString();
}
}
DataGridView.CellValidating += DataGridViewCellValidating;
control.SelectedValueChanged += control_SelectedValueChanged;
}
private void DataGridViewCellValidating(object sender, System.Windows.Forms.DataGridViewCellValidatingEventArgs e)
{
if (DataGridView[e.ColumnIndex, e.RowIndex].EditType == typeof(Controls.ComboBoxExtended))
{
Controls.ComboBoxExtended control = DataGridView.EditingControl as Controls.ComboBoxExtended;
control.CheckValidation(e);
}
}
public override void DetachEditingControl()
{
base.DetachEditingControl();
DataGridView.CellValidating -= DataGridViewCellValidating;
Controls.ComboBoxExtended control = DataGridView.EditingControl as Controls.ComboBoxExtended;
if (control != null)
{
control.SelectedValueChanged -= control_SelectedValueChanged;
}
}
