Enter Key on Form

[chuckdfoster]

I have a form that with a datagrid with textboxes and a submit button. When
the user is in a textbox and they hit enter to try to go to a different
line, instead they submit the form before they are done entering their data.
I know this is how it is supposed to work, but is there anyway to disable
the enter key from hitting the submit button?

Thanks in advance for any advice!

 

[TJS]

many have asked this before, look for a javascript solution thru google

 

[Joe Fallon]

"How can I disable enterkey in a form. "
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Try using some javascript.
I added it to my Base page that I inherit from and inject it to each child
page.
(As a bonus you get to set the initial focus for any control)

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Add code like this to any child page where you want to set focus to a
control or kill the enter key:

Public Sub New()
MyBase.New()

'set the focus to the UserID text box:
InitialFocus = txtUserId

'Do Not kill the Enter key on this page
Me.killEnterKey = False

'Kill the Enter key on this page
'Me.killEnterKey = True

End Sub

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Add this code to your javascript library which is loaded for each page:

function NetscapeEventHandler_KeyDown(e) {
if (e.which == 13 && e.target.type != 'textarea' && e.target.type !=
'submit') { return false; }
return true;
}

function MicrosoftEventHandler_KeyDown() {
if (event.keyCode == 13 && event.srcElement.type != 'textarea' &&
event.srcElement.type != 'submit')
return false;
return true;
}

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Add this to the top of your Base page:

Public InitialFocus As Control
Protected KillEnterKey As Boolean = True

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Protected Overridable Sub Page_PreRender(ByVal sender As Object, ByVal e As
EventArgs)

Dim sb As New StringBuilder

'-- Focus
sb.Append("<script language='javascript'>")
If Not InitialFocus Is Nothing Then
sb.Append("document.getElementById('" & InitialFocus.ClientID &
"').focus();")
End If

'-- Append to the Browser Title set on an instance level

'Code to call the Enter button kill javascript in library
If KillEnterKey = True Then
sb.Append("var nav = window.Event ? true : false;")
sb.Append("if (nav) {")
sb.Append("window.captureEvents(Event.KEYDOWN);")
sb.Append("window.onkeydown = NetscapeEventHandler_KeyDown;")
sb.Append("} else {")
sb.Append("document.onkeydown = MicrosoftEventHandler_KeyDown;")
sb.Append("}")
End If

sb.Append("</script>")
RegisterStartupScript("My JScript", sb.ToString())

End Sub

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