Convert.ToString Method (Single)

Parameters

• value
  Type: System.Single
  A single-precision floating point number.

Return Value

Type: System.String
The String equivalent of the value of value.

Public Sub ConvertStringFloat(ByVal stringVal As String)
   Dim singleVal As Single = 0

   Try
      singleVal = System.Convert.ToSingle(singleVal)
      outputBlock.Text &= String.Format("The string as a single is {0}.", _
                                singleVal) & vbCrLf
   Catch exception As System.OverflowException
      outputBlock.Text &= String.Format( _
          "Overflow in string-to-single conversion.") & vbCrLf
   Catch exception As System.FormatException
      outputBlock.Text &= String.Format( _
          "The string is not formatted as a Single.") & vbCrLf
   Catch exception As System.ArgumentException
      outputBlock.Text &= "The string is null." & vbCrLf
   End Try

   ' Single to string conversion will not overflow.
   stringVal = System.Convert.ToString(singleVal)
   outputBlock.Text &= String.Format("The single as a string is {0}.", _
                             stringVal) & vbCrLf
End Sub

public void ConvertStringFloat(string stringVal)
{
   float floatVal = 0;

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

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