EXCEL VBA in C#, VB.NET

		private void btnRun_Click(object sender, System.EventArgs e)
		{
			Workbook workbook = new Workbook();
			
			//Initialize worksheet
			workbook.LoadFromFile(@"..\..\..\..\..\Data\VBASample.xls");
			Worksheet sheet = workbook.Worksheets[0];

			//Writes new sheet name
			sheet.Range["A1"].Text = this.textBox1.Text;

			workbook.SaveToFile("Sample.xls");
			ExcelDocViewer(workbook.FileName);
		}

		private void ExcelDocViewer( string fileName )
		{
			try
			{
				System.Diagnostics.Process.Start(fileName);
			}
			catch{}
		}

		Private Sub btnRun_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnRun.Click
			Dim workbook As Workbook = New Workbook()

			'Initialize worksheet
			workbook.LoadFromFile("..\..\..\..\..\Data\VBASample.xls")
			Dim sheet As Worksheet = workbook.Worksheets(0)

			'Writes new sheet name
			sheet.Range("A1").Text = Me.textBox1.Text

			workbook.SaveToFile("Sample.xls")
			ExcelDocViewer(workbook.FileName)
		End Sub

		Private Sub ExcelDocViewer(ByVal fileName As String)
			Try
				System.Diagnostics.Process.Start(fileName)
			Catch
			End Try
		End Sub