Convert.ToDecimal Method (String)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Converts the specified String representation of a number to an equivalent Decimal number.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- value
- Type: System.String
A String containing a number to convert.
Return Value
Type: System.DecimalA Decimal number equivalent to the value of value.
-or-
Zero if value is Nothing.
| Exception | Condition |
|---|---|
| FormatException | value is not a number in a valid format. |
| OverflowException | value represents a number less than MinValue or greater than MaxValue. |
The return value is the result of invoking the Decimal.Parse method on value.
If you prefer not to handle an exception if the conversion fails, you can call the Decimal.TryParse method instead. It returns a Boolean value that indicates whether the conversion succeeded or failed.
The following code sample illustrates the use of ToDecimal, by attempting to convert a String to a Decimal and throwing any of the possible exceptions that may arise during the conversion.
Public Sub ConvertStringDecimal(ByVal stringVal As String) Dim decimalVal As Decimal = 0 Try decimalVal = System.Convert.ToDecimal(stringVal) outputBlock.Text &= String.Format("The string as a decimal is {0}.", _ decimalVal) & vbCrLf Catch exception As System.OverflowException outputBlock.Text &= String.Format( _ "Overflow in string-to-decimal conversion.") & vbCrLf Catch exception As System.FormatException outputBlock.Text &= String.Format( _ "The string is not formatted as a decimal.") & vbCrLf Catch exception As System.ArgumentException outputBlock.Text &= "The string is null." & vbCrLf End Try ' Decimal to string conversion will not overflow. stringVal = System.Convert.ToString(decimalVal) outputBlock.Text &= String.Format("The decimal as a string is {0}.", _ stringVal) & vbCrLf End Sub