Converter Class which is convert enum to boolean

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hi Friend

i wnat convert enum to boolean value like

enum
abc 0
xyz 1
asd 2

convert these value in boolena using vonverter class guide me plz

Posted 22-Aug-12 21:13pm

guptaadeepak

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Mario Majčica · Answer 1 · 2012-08-22T21:44:00

Well as Boolean can only represent 2 values, true and false, I can see how can you convert an enum to bool.

Still you can establish some rules and say at ex. that if value of enum is 0 than is false, otherwise it is true.

A function will look like this:

VB

Public Function GetBoolFromEnum(e As MyEnum) As Boolean
    Return CInt(e) = 0
End Function

Enum MyEnum
    asdf = 1
    fdsa = 2
    tre = 3
End Enum

Cheers

Joan M · Answer 2 · 2012-08-22T21:50:00

Well,

A boolean value can be TRUE or FALSE.

Typically enums are used to give names a specific value and make the code easier to read.

Read those links:

Tips about .NET Enums[^]
http://msdn.microsoft.com/en-us/library/8h84wky1(v=vs.80).aspx[^]
http://www.dotnetperls.com/enum-vbnet[^]

Those are links to articles that speak about enums.

If you want to convert the values to boolean, then I would simply make something like

VB

Public Enum MyEnum
    alfa = 1
    beta = 0
    gamma = 1
  End Enum

And then use a function to discriminate between 1 (TRUE) and 0 (FALSE).

Good luck.

Kuthuparakkal · Answer 3 · 2012-08-22T21:59:00

May be some help.
1.

VB

result = Convert.ToBoolean(number)

Ref: http://msdn.microsoft.com/en-us/library/h0b8dwce[^]

2.

VB

Module Example
   Public Sub Main()
      Dim values() As String = { Nothing, String.Empty, "True", "False", 
                                 "true", "false", "    true    ", "0", 
                                 "1", "-1", "string" }
      For Each value In values
         Try 
            Dim flag As Boolean = Boolean.Parse(value)
            Console.WriteLine("'{0}' --> {1}", value, flag)
         Catch e As ArgumentException
            Console.WriteLine("Cannot parse a null string.")
         Catch e As FormatException
            Console.WriteLine("Cannot parse '{0}'.", value)
         End Try          
      Next                                      
   End Sub 
End Module 
' The example displays the following output: 
'       Cannot parse a null string. 
'       Cannot parse ''. 
'       'True' --> True 
'       'False' --> False 
'       'true' --> True 
'       'false' --> False 
'       '    true    ' --> True 
'       Cannot parse '0'. 
'       Cannot parse '1'. 
'       Cannot parse '-1'. 
'       Cannot parse 'string'.

Ref:
http://msdn.microsoft.com/en-us/library/system.boolean.parse.aspx#Y792[^]

Converter Class which is convert enum to boolean

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