Allowing Backspace To Work In Textboxs?

Jun 21, 2010

I coded my textbox to be only type in numeric numbers. But the backspace doesn't work when I run the program anymore, Can't delete what has typed in the textbox.

Here is my code

Private Sub AmountTextBox_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles AmoutTextBox.KeyPress
Dim allowedChars As String = "0123456789"

[code]....

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Only Allowing Integer And Backspace In A Textbox?

Mar 5, 2010

i am trying to make a program and i only want the user to be able to enter numbers and use the backspace this is my code so far.

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
Dim allowedChars As String = "0123456789"

[Code]....

i have tryed adding "ascii char (08)" to the program but its not worked

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[2008] Keypress Backspace - Msgbox When User Press 'backspace' In The Textbox

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I want to have a msgbox when user press 'backspace' in the textbox.

I wrote this:

Private Sub TextBox2_KeyPress(ByVal KeyAscii As Integer)

If KeyAscii = 8 Then
MsgBox("backspace")
End If

End Sub

Why it doesn't work?

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[Code]...

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(
Dim tot As Integer

[code].....

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I have set-up a tab control and have buttons set up to add and remove the tabs.I want to place a text box into all the tabs, so when a new tab is added a text box is already placed inside the tab. I am not sure on how I would do this.

Dim myTabPage0 As New TabPage()
myTabPage0.Text = "Event " & (TabControl1.TabPages.Count + 1)
TabControl1.TabPages.Add(myTabPage0)

[code].....

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[Code]....

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[Code]...

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login.txt:
johndoe12345678
jasmine373249273
jg236219

open a txt file without the open file dialog and to save without the save file dialog.

P.S. I'm using a textbox.

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[code]....

Now my database is called: Kit-tactic.accdb The fields I hold are: forename, surname, dob, housenumber, address 1, address 2, postcode, contact

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I've made a temp converter and i'm looking to get some validation for it. I have looked online, but most do it in a way that i don't want.

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I figured it out without useing parameters, but that error message tip did help me figure it out. Ok so ive been trying to just insert a string into a MySQL database, heres the code for it its very simple. Its just not working need help to get this to work before i can move on textboxes. I get the cannot connect erroer each time i do it.

[Code]...

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i have been trying to have a textbox that the user can only enter letters? i can use: If IsNumeric(textbox1.Text) Then textbox1.Clear() for making it not numbers, but how can i stop symbols also? i am using vbexpress2010 and know how to use it and different types of code

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[code]......

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I'm writing an in-house intranet application in ASP.NET and VB.NET. My 'customers' are beginner to medium-level users. All of our browsers are IE8 and above, standard.The application works great, except for one thing. The backspace key. When a user types an invalid number into a textbox, a RegularExpressionValidator and ValidatorCalloutExtender fire off and notify the user. Perfect. Except that, when the user closes the popup warning and notices the cursor is still flashing in the textbox, he/she feels it's time to hit the backspace key and delete that pesky field value.

Unfortunately, the browser interprets this action as a desire to go 'back' into the page history. My boss is screaming. His bosses are screaming. I have a headache.So, how can I turn off this behavior? I still need the backspace to eliminate characters in the textbox, but nothing else. Company policy here: Backspace is to delete characters from the screen. Nothing more, nothing less.

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Creating A Backspace Key For A Calculator?

Dec 2, 2010

i am creating a backspace key for a calculator. first of all a currency needs to be chosen by clicking a button, when for example the is clicked the text is entered into the texbox. But when i use the backspace it deletes here is my code..

Private Sub btn_pound_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_pound.Click
'Enable the keypad when the pound sign is clicked,Disable the curency buttons after'
pnl_numbers().Enabled = True[code]....

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