The following are ways on how to format string number values into a money format with decimals. Option 1: - Using String.Format method C# double formatToMoney; string num = "1500"; if (double.TryParse(num, out formatToMoney)) { string newNum = String.Format("{0:c}", formatToMoney); Response.Write(newNum); } VB.NET Dim formatToMoney As Double Dim num As String = "1500" If Double.TryParse(num, formatToMoney) Then Dim newNum As String = String.Format("{0:c}", formatToMoney) Response.Write(newNum) End...