How to convert c# code to vb.net. Error occurred in getting numeric value of a character

Question

I am trying to convert the c# project into vb.net project. But i am not able to convert some code in vb.net.

C# Code:

if ((a >= 33) && (a <= 48)) { word += "|"; word1 += "|"; }

Vb.net Code:

If (Char.GetNumericValue(a) >= 33) AndAlso (Char.GetNumericValue(a) <= 48) Then
    word += "|"
    word1 += "|"
End If

Here in c# the numeric value of a is directly compared with integer value. But in Vb.net i can't get the numeric value of a to compare with the ASCII value. If there is any possible to convert the c# project solution into vb.net solution? Let me know the solution. Thanks in advance.

That should be Convert.ToInt32. If you read the documentation for Char.GetNumericValue it should be obvious why that is not what you want. — jmcilhinney
– jmcilhinney, Commented Apr 9, 2018 at 6:37
@SamvelPetrosov Yeah I tested using Asc(a) also. While using this Asc(a) am getting the value as same integer value for all character — MDP
– MDP, Commented Apr 9, 2018 at 6:56
@jmcilhinney Now it works by using Convert.ToInt32. Thank you. — MDP
– MDP, Commented Apr 9, 2018 at 7:05

Niraj Trivedi · Accepted Answer · 2018-04-09 07:11:06Z

1

you can convert a character value into its ASC value and then compare it with a value in vb.net find sample code as below

Dim a As Char
a = "a"
Dim i As Integer = Asc(a)
Console.Write(i.ToString())
If i < 90 Then
    'Do what you want
End If

answered Apr 9, 2018 at 7:11

Niraj Trivedi

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Dave Doknjas · Accepted Answer · 2018-04-09 14:41:49Z

1

You should be using the VB 'AscW' function (not 'Asc'), assuming that 'a' is a char:

If (AscW(a) >= 33) AndAlso (AscW(a) <= 48) Then
    word &= "|"
    word1 &= "|"
End If

answered Apr 9, 2018 at 14:41

Dave Doknjas

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