Programming Forums > Application Development > Visual Basic .NET

Robocop · Dec 3rd, 2006, 6:25 AM

I just want to make these statements so that when the if is true, the message box is shown and the form is not closed. If the required fields are blank, then the form should not close, but it is closing after you click the message box. Can anybody help me with this?

Quote:

Private Sub Form1_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed
If Me.edit_type.Text = "" Or Me.editname.Text = "" Then
'MessageBox.Show("Please fill the required fields.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information)
Else
'Update the Dataset
Me.UpdateDataSet()
End If
End Sub

The Dark · Dec 3rd, 2006, 7:20 AM

A quick google for "vb onclose event" leads me to think you can just put in
that setting e.Cancel to True cancels the close.

PhilBon · Dec 3rd, 2006, 10:56 PM

one thing I'd suggest, not that you have to is instead of Me.edit_type.Text = "" I would use Me.edit_type.Text = nothing. To me that just seems better, don't know how others would feel. Either way works fine, I just see "Nothing" neater than ""

Robocop · Dec 4th, 2006, 2:40 PM

Quote:

Originally Posted by The Dark

A quick google for "vb onclose event" leads me to think you can just put in
that setting e.Cancel to True cancels the close.

Thanks! it worked great!

Quote:

Originally Posted by PhilBon

one thing I'd suggest, not that you have to is instead of Me.edit_type.Text = "" I would use Me.edit_type.Text = nothing. To me that just seems better, don't know how others would feel. Either way works fine, I just see "Nothing" neater than ""

Nice idea.

BlackDal · Dec 5th, 2006, 4:21 PM

its better write this code into Form.Closing routine

Robocop · Dec 5th, 2006, 7:35 PM

Quote:

Originally Posted by BlackDal

its better write this code into Form.Closing routine

That's true, "e.Cancel" didn't work with Form.Closed anyways.

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Dec 3rd, 2006, 7:20 AM	#2
The Dark Expert Programmer Join Date: Jun 2005 Posts: 852 Rep Power: 4	A quick google for "vb onclose event" leads me to think you can just put in that setting e.Cancel to True cancels the close.

Dec 3rd, 2006, 10:56 PM	#3
PhilBon Hobbyist Programmer Join Date: Nov 2005 Posts: 172 Rep Power: 3	one thing I'd suggest, not that you have to is instead of Me.edit_type.Text = "" I would use Me.edit_type.Text = nothing. To me that just seems better, don't know how others would feel. Either way works fine, I just see "Nothing" neater than ""

Dec 5th, 2006, 4:21 PM	#5
BlackDal Newbie Join Date: Feb 2006 Posts: 12 Rep Power: 0	its better write this code into Form.Closing routine

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Programming Forums > Application Development > Visual Basic .NET

VB If Statement Help