Changes to datagrid text are lost in Visual C# .NET 2003 project (839225)

WORKAROUND

//Visual C# .NET

using System;
using System.ComponentModel;
using System.Windows.Forms;
using System.Globalization;
using System.Reflection;

namespace DataGrid_example
{
	/// <summary>
	///  Class that is used when column text is required in a custom numeric format
	///  such as a comma, or a currency. This class overloads the Commit method
	///  of DataGridTextBoxColumn.
///
/// Refers to  <Main Form Code> private DataGrid_example.FormattingDataGridTextBoxColumn dataGridTextBoxColumn3; </Main form code>
	/// </summary>
	public class FormattingDataGridTextBoxColumn : DataGridTextBoxColumn
	{
		//Return object form Parse method.
		private MethodInfo localParseMethod;

		//Default constructor for class.
		public FormattingDataGridTextBoxColumn() : base()
		{
		}
		
		//Default overloaded constructor for class.
		public FormattingDataGridTextBoxColumn( PropertyDescriptor prop, string format, bool isDefault) : base(prop, format, isDefault)
		{
		}
	
		//Overiding the PropertyDescriptor class to covert text to 
		//a format the base implementation can parse.
		public override PropertyDescriptor PropertyDescriptor
		{
			set
			{
				//Set the base value equal to the passed in value.
				base.PropertyDescriptor = value;
				
				this.localParseMethod = null;
				if(this.PropertyDescriptor != null)
				{
					if( this.PropertyDescriptor.PropertyType != null)
					{	
						//Set method info for 
						this.localParseMethod = this.PropertyDescriptor.PropertyType.GetMethod("Parse", new Type[]{typeof(string), typeof(NumberStyles), typeof(IFormatProvider)});
					}

				}
			}
		}


		
		protected override bool Commit( CurrencyManager dataSource, int rowNum)
		{
			if( null != this.localParseMethod )
			{
				try
				{
					//Get the current value of the cell.
					object value = this.TextBox.Text;

					if(! NullText.Equals(value))
					{
						//Get the new value and format it as a number.
						value = this.localParseMethod.Invoke( null, new object[] { value, NumberStyles.Any, this.FormatInfo});

						//Set the value in the grid back to the raw number.
						this.TextBox.Text = value.ToString();
					}
				}
				catch( Exception ){	}
			}

			//update the dataset
			return base.Commit( dataSource, rowNum);
		}

		
	}
}