// Efficient adminstration of editors per format
	private Dictionary<string, UltraNumericEditor> mEditorCache = new Dictionary<string, UltraNumericEditor>();

	private void mGridBerechnung_InitializeRow(object sender, InitializeRowEventArgs e)
	{
		IFormattable formattableInstance1 = new PercentageFormat();
		IFormattable formattableInstance2 = new NumericFormat();
		SetCellEditors(e.Row, formattableInstance1);
	}
	
	/// <summary>
	/// Set cell editor with appropriate formatting.
	/// </summary>
	private void SetCellEditors(UltraGridRow row, IFormattable formattable)
	{
		// editor already cached?
		UltraNumericEditor editor;
		if (mEditorCache.TryGetValue(pFormattable.FormatString, out editor))
		{
			// editor cached
		}
		else
		{
			// new editor instance
			editor = new UltraNumericEditor();
			editor.NumericType = NumericType.Double;
			editor.MaskInput = "{double:-8.6}";
			editor.PromptChar = ' ';
			editor.FormatString = pFormattable.FormatString;

			// add to cache
			mEditorCache.Add(pFormattable.FormatString, editor);
		}

		// Editor den betreffenden Zellen zuweisen
		row.Cells["Value"].EditorComponent = editor;
	}
	
	public interface IFormattable
	{
		string FormatString {get;}
	}
	
	private class PercentageFormat : IFormattable
	{
		public string FormatString {get; private set;}
		internal PercentageFormat()
		{
			FormatString = "#0.##%";
		}
	}
	
	private class NumericFormat : IFormattable
	{
		public string FormatString {get; private set;}
		internal NumericFormat()
		{
			FormatString = "###,##0.##";
		}
	}