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how i can get asycnh class
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Goodness knows what you're talking about. Perhaps consider what you're asking, type it into google first, and if that doesn't help, try asking lucidly here.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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is it concerned with asynchonous.
can u please explain a little bit more precisely.
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Theres thousands of things you can do asynchronously. Perhaps a slightly more specific question would be in order.
Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007
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Can any one give me a code for RichTextBox that can dispaly many color like visual studio
................
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There's no way that VS is using a rich text box, it would be using a custom class.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Project "Test Bank System"
i have 4 radiobutton in test section.i want save value went user selected and click button "Next"
if you have Example code for "Test bank system" and you postRaply that code.
Thank you...
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This question reeks of homework. Noone is going to write your code for you. Everything you need to know about Radiobuttons should have already been covered in class. If youi haven't been paying attention, you've got some catching up to do!
You might want to look into the Checked property.
RadioButton class[^]
Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007
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Hi there,
can i write some code on the form minimize button , I am using vb.net 2005
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you can make a new button to minimize you form and hide the form minimize button...
so you can write some code in the new minimize button that you made
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There is no event specific to the Minimize control button in the uppoer right corner of the form. You have to handle the form's Resize event, and in that code, check the WindowState property to see if it's been minimized.
Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007
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Actually, there is a quite simple way.
Type the code below, where <code>; is the action you want when the form is minimized:
Private Sub Form1_SizeChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.SizeChanged
If Me.WindowState = FormWindowState.Minimized Then
<br />
End If<br />
End Sub
<br />
<br />
Please mail me with any questions or comments.<br />
<br />
Best Regards,<br />
Richard Faulkner
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Hi there,
What is the utility of withevents keyword?
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Hello
The withevents key word means that you can enable the catching of events in that object.
If you are accessing a class with events you need to insert that keyword to catch them.If not you can still access the methods, properties... but you won´t catch events.
'Main Form
Private WithEvents Catch_Event as new Test
Private Sub Test_Result (ByVal Value as Integer) Handles Catch_Event.Test_Result
End Sub
'Class Test
Public Class Test
Public Event Test_Result (ByVal Value as Integer)
Public Function StartEvent()
RaiseEvent Test_Result (10)
End Function
End Class
Hope it Helps
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Hi i have doubt in roles using in vb.net...,
in my sqlserver for a paricular database,i created two application roles..and i given permission for those roles also..,
Now how to tell the roles in vb.net..,
(i.e) how to interact with those roles from vb.net codes...,
I dont know how to interact with those roles...,
so plz give me some idea..,if any sample codes will be there...,
it will be more usefull for me...,
Magi
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You can't interact with roles. Roles are assigned to logins, and what login you use will determine your role, and your permissions on a database.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Ok in ur statement u told we cant interact with roles...,
So if i have 4 or 5 roles,each role have different,different permissions...,
In that case two different role users entering in same page...,
One user is guest so he can have select permission only...,
Another user is admin so he can do anything in that page...,
If we cant interact with roles then, how u can tell this user have this role like???????,
And how the form should be look...,
becoz in the same form i have all buttons(select,update,delete,add)...,But one user have only select permission and another user can have all permission..,
So how it will be play??????
Magi
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Magh_M wrote: If we cant interact with roles then, how u can tell this user have this role like???????,
That's not the purpose of roles. Your site should enforce what user can do what. You can't write site around the idea that the database will tell you what users can't do, by blowing up.
Magh_M wrote: becoz in the same form i have all buttons(select,update,delete,add)...,But one user have only select permission and another user can have all permission..,
So how it will be play??????
You need to write your own permissions system, within your site.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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If its based on user...,
And based on user my permission will be there..,
Then whats the need of roles?????,
Y they created such that one in sqlserver?????,
And y they given for the roles permission tab?????,
Actually some thing will be going on based on roles...,
If u dont mind u can explain my doubts?????
Dont think i am asking more doubts like...,
Actually i like to know about the concept, atleast some what depth..,
thats y so plz help me.....,
And one more i saw in msdn in that they told want to declare system.web.security...,
If i declare that one also i am not getting roles method in my form...,
What to do for that...,
-- modified at 9:19 Thursday 12th April, 2007
Magi
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i need a groupDataGrid control in visualbasic
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What ur asking???
Group dat grid like that any tool is there in vb????,
ask ur ques clearly...........
Then only we can able to help ur probs.....
Magi
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I need a Ferrarri.
Seriously, what are you looking for ? Is this VB.NET ? What version ? ASP.NET or Winforms ? What do you mean by groupDataGrid ?
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Index was out of range. Must be non-negative and less than the size of the collection
________________________________________
Hi,
I've a form and the form is working fine also. But my problem is
Whenever I closed the form. I'm getting two errors.
1.Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
2.Arithmetic overflow error converting varchar to data type numeric.
The statement has been terminated.
Events are :
Private Sub btnFilClose_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnFilClose.Click, btnBrowClose.Click
'This event is used to close the form
Try
Me.Cursor = Cursors.WaitCursor
Me.Close() ' I'm getting the error on this line
Me.Cursor = Cursors.Default
Catch ex As Exception
Me.Cursor = Cursors.Default
MessageBox.Show(ex.Message)
Finally
Me.Cursor = Cursors.Default
Me.Close()
End Try
End Sub
Private Sub forms_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
'This event will be fired automatically whenever form will be closing
Try
Me.Cursor = Cursors.WaitCursor
If MessageBox.Show("Do you want to close this form", Me.Text, MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then
'If user press Yes then Form will be closed
Me.Cursor = Cursors.Default
e.Cancel = False
Else
'If User press No the Form will be not closed
e.Cancel = True
End If
Me.Cursor = Cursors.Default
Catch ex As Exception
Me.Cursor = Cursors.Default
MessageBox.Show(ex.Message)
End Try
End Sub
Please help me
Thanx in advance
Ashok
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The error you are getting occurs when accessing an array or similiar collection. The code provided shouldn't throw that error. I used the code you have shown here and it works. Try stepping through you code. Add a break to the button event and step through your code to see what is actually happening.
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sir/madam..
i want to make my program when it minimize it will appear at system tray...
how to make that..
thanks...
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