Textbox to a combobox

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Hello !!

I am learning vb.net 2013

i have a doubt

i have two textboxes, textbox1 and textbox2

the value name entered in textbox1 should be displayed in the reverse in textbox2

for example

textbox1= Water

textbox2= retaw

now when i click the button

the value in textbox2 should in the below method in a combobox

r

e

t

a

w

can someone please guide me through the coding to display the entered name in the above format in combobox

Thanks in advance !!

What I have tried:

I tried the first part, reverse of the entered text is done
i want the solution for the second part
i want to know how to display the reversed text in the combobox

Posted 4-Jun-17 0:29am

Member 13239658

Updated 4-Jun-17 4:15am

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3 solutions

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OriginalGriff · Answer 1 · 2017-06-04T01:13:00

Easy:

C#

private void tbUserInput_TextChanged(object sender, EventArgs e)
    {
    tbReversed.Text = new string(tbUserInput.Text.Reverse().ToArray());
    }

private void tbReversed_TextChanged(object sender, EventArgs e)
    {
    cbReversedItems.Items.Clear();
    foreach (char c in tbReversed.Text)
        {
        cbReversedItems.Items.Add(c);
        }
    }

User 13204940 · Answer 2 · 2017-06-04T03:29:00

Solution 3

Dim vowels As String = "aeiou"
Dim alphabet As String = "abcdefghijklmnopqrstuvwxyz"

If vowels.Contains(ComboBox1.Text) Then
    TextBox1.Text = alphabet
End If

Posted 4-Jun-17 3:29am

User 13204940

Comments

Member 13239658 4-Jun-17 8:39am

this works perfectly fine. thanks a lot
but one last question
if there are two or three vowels in a name
how do i display all the vowels seperating it by a comma
like when i select one vowel it should be dispalyed in the textbox and when i select one more vowel a comma should seperate and the other vowel also should be displayed

both should be displayed

[no name] 4-Jun-17 9:15am

Dim nameWithThreeVowels As String = "aeiouxyz"

Dim numberOfVowels As Integer = 0
Dim vowelsFound As String = ""

' loop through each character 'c'
For cIndex As Integer = 0 To nameWithThreeVowels.Length - 1
Dim c As String = nameWithThreeVowels(cIndex) 'get the letter at the specified position
If vowels.Contains(c) Then
numberOfVowels +=1

vowelsFound &= c & ","
End If
Next

' remove the last comma so you don't end up with '1,2,3,' for example
If Not vowelsFound = "" Then
vowelsFound = vowelsFound.Substring(0, vowelsFound.Length - 2)
End If

If numberOfVowels = 3 Then
MsgBox("3 vowels found: " & vowelsFound)
End If

User 13204940 · Answer 3 · 2017-06-04T04:15:00

Dim nameWithThreeVowels As String = "aeixyz"

Dim numberOfVowels As Integer = 0
Dim vowelsFound As String = ""

' loop through each character 'c'
For cIndex As Integer = 0 To nameWithThreeVowels.Length - 1
    Dim c As String = nameWithThreeVowels(cIndex) 'get the letter at the specified position
    If vowels.Contains(c) Then
        numberOfVowels +=1
        
        vowelsFound &= c & ","
    End If
Next

' remove the last comma so you don't end up with '1,2,3,' for example
If Not vowelsFound = "" Then
    vowelsFound = vowelsFound.Substring(0, vowelsFound.Length - 2)
End If

If numberOfVowels = 3 Then
    MsgBox("3 vowels found: " & vowelsFound)
End If

Textbox to a combobox

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Textbox to a combobox

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