Convert.ToString Method (Decimal)

public void ConvertStringDecimal(string stringVal)
{
   decimal decimalVal = 0;

   try
   {
      decimalVal = System.Convert.ToDecimal(stringVal);
      outputBlock.Text += String.Format(
         "The string as a decimal is {0}.", decimalVal) + "\n";
   }
   catch (System.OverflowException)
   {
      outputBlock.Text += String.Format(
         "The conversion from string to decimal overflowed.") + "\n";
   }
   catch (System.FormatException)
   {
      outputBlock.Text += String.Format(
         "The string is not formatted as a decimal.") + "\n";
   }
   catch (System.ArgumentNullException)
   {
      outputBlock.Text += String.Format(
         "The string is null.") + "\n";
   }

   // Decimal to string conversion will not overflow.
   stringVal = System.Convert.ToString(decimalVal);
   outputBlock.Text += String.Format(
      "The decimal as a string is {0}.", stringVal) + "\n";
}