Convert.ToDouble (Object) converts object to a double-precision floating-point number. : Convert to Double « Development « VB.Net

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VB.Net » Development » Convert to DoubleScreenshots 
Convert.ToDouble (Object) converts object to a double-precision floating-point number.
  

Module Example
   Public Sub Main()
        Dim values() As Object = { True, "a"c, 123, CSng(112.764e32), "1239.78", "1e-02", _
                                   Decimal.MaxValue }   
        Dim result As Double
        
        For Each value As Object In values
           Try
              result = Convert.ToDouble(value)
              Console.WriteLine("Converted the {0} value {1} to {2}.", _
                                value.GetType().Name, value, result)
           Catch e As FormatException
              Console.WriteLine("FormatException")
           Catch e As InvalidCastException
              Console.WriteLine("InvalidCastException")
           End Try                     
        Next
   End Sub
End Module

   
    
  
Related examples in the same category
1.Convert.ToDouble (Decimal) converts decimal number to double-precision floating-point number.
2.Convert.ToDouble (Int16) converts specified 16-bit signed integer to double-precision floating-point number.
3.Convert.ToDouble (Int32) converts 32-bit signed integer to double-precision floating-point number.
4.Convert.ToDouble (Int64) converts 64-bit signed integer to double-precision floating-point number.
5.Convert.ToDouble (SByte) converts 8-bit signed integer to double-precision floating-point number.
6.Convert.ToDouble (Single) converts single-precision floating-point number to double-precision floating-point number.
7.Convert.ToDouble (String) converts string to double-precision floating-point number.
8.Convert.ToDouble (String, IFormatProvider) converts string to double using culture-specific format
9.Convert.ToDouble (UInt16) converts 16-bit unsigned integer to double-precision floating-point number.
10.Convert.ToDouble (UInt32) converts 32-bit unsigned integer to double-precision floating-point number.
11.Convert.ToDouble (UInt64) converts 64-bit unsigned integer to double-precision floating-point number.
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