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you need to handle your textbox's keyboard events, either keydown, keyup or keypress. Then check the contents of the textbox and delete any characters you don't want.
make sure you set the maxlength property because otherwise this will take some time
/jason
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Can you please specify how this can be done. Sample code will be very useful.
With Best Regards,
Mayur
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you can handle as follows
add keypress event to the textbox and add following code
If Char.IsNumber(e.KeyChar) Then
e.Handled = False
Else
e.Handled = True
End If
end if
happy programming
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how i can change a default keyboard language input for specific column in a datagrid automatically??
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Hello Friends,
Here i want to do mirror the contents in the group Box.As for arabic layuout all the contents must be right to left displayed.
Thanks in Advance.
Vipul Khandelwal
Some people dream of success while others wake up and work hard at it
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I am affraid there isn't a single statement to solve this issue but probably as you know you can set the content's text alignment to right or to left one by one as follows:
Label1.textalign = contentalignment.middleleft
Never give up!
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HI,
I am stuck with a problem that how to display an image in the datagridviewimagecolumn
As when i m trying it shows a X mark. Not the Image
My Code is:
Dim ArrowIcon As New Icon("..\Images\Icon1.ico")
Dim IconColumn1 As New DataGridViewImageColumn
Dim IconColumn2 As New DataGridViewImageColumn
IconColumn1.ImageLayout = DataGridViewImageCellLayout.Normal
IconColumn1.Image = ArrowIcon.ToBitmap
IconColumn2.ImageLayout = DataGridViewImageCellLayout.Normal
IconColumn2.Image = ArrowIcon.ToBitmap
Me.DataGridView1.Columns.Insert(0, IconColumn1)
Me.DataGridView1.Columns.Insert(1, IconColumn2)
I don't know why it is not showing the image
Plz help me
Thanks a lot in advance
Hema Chaudhry
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Hello again,
Need help on this code. Im using Flexgrid control the .net version... dont know what to do about this one.. it produce an error stating "Index was outside the bounds of the array...
For intCount = 0 To 10
grid1.Cell(0, intCount).Text = "Hello"
Next
But when i tried it this way.. ( grid1.cell(0,1).text = "Hello" );).. this works... but if i used for next it produces error.. pls help...
your help is highly appreciated.............
tnx in advance..
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First confirm that gird should have 10 rows and start the loop with 1 may be grid index starts from 1.....
For intCount = 1 To 10 'Start with 1 instead of 0<br />
grid1.Cell(0, intCount).Text = "Hello"<br />
Next
Regards
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First, there is no .NET version of the MSFlexGrid. It's just an old ActiveX control that you can still use in your app though.
How many row does your grid have? Your loop says there are 11, number 0 trough 10. If you do have 10 rows, they'll be numbered 0 through 9.
For intCount = 0 To 9
grid1.Cell(0, intCount).Text = "Hello"
Next
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hello welbert,
There was a Microsoft FlexGrid for VB 6, but it should still be available in .NET, although it will probably not . Is this what you are using. It was based on an old version of our VSFlexGrid. We, ComponentOne, also have an updated FlexGrid for .NET 1.x and 2.0. I am not sure which one you are using, but each version has the rows indexed from 0, so you are right to start intCount at 0. Keep in mind that 0 to 10 is 11 rows, not 10 rows. If you want to add "Hello" to all rows, it would be better to use
For intCount = 0 to Grid1.Rows.Count -1
Grid1.Cell(0, intCount).Text = "Hello"
Next
This way you know that the index will always be in range, even if rows are added or deleted later. If you still have trouble, please let me know exactly which grid you are using, and which build, then I can provide better assistance.
Suelinda W
Customer Engagement, ComponentOne LLC
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Hello,
Am very new to software development. Please help me out in developing a code which helps in communicating with parallel port thro Visual basic. i found inpout32 dll. But don know how to use it. Kindly do the needful
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You won't get an answer to your question in this forum. Instead, look a bit closer at the Code Project website (and Google) and use their Search functions for help. There are MANY hits for the subject of using a parallel port via VB.
If you have a specific question we are more than happy to assist.
...Steve
"Give a man a fish and you've fed him for a day. Teach him how to fish and you've fed him for life." (Translation: I'll show you the way, but not write the code for you.) I read that somewhere once 
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hi
i am trying to develop outlook add in i.e i want to add two comboboxes in the tool bar. one contains the all the folders name having the contacts. and the second combobox contains all the contacts in the folder we selects in the first combobx.
how to do this
will you help me..
thanks.
Ankit Patial
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Hey, Can someone please provide me with a simple example of using crystal reports with VB.Net.
With Best Regards,
Mayur
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to use crystal reports in vb.net
follow the following steps..
1. put a crystal report viewer(select it from the tool bar) in a form.
2.create a crystal report.(go to project menu click on add new item, select crystal report and follow the wizard).
3. to access this report. you can use the following code
CrystalReportViewer.reportSource="..\reportname.extension"
Ankit Patial
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Anybody has idea how will i connect my crystal reports on a trusted connection.
My code goes like this:
<br />
Dim CRReport As CRAXDDRT.Report<br />
Dim crDBTab As CRAXDDRT.DatabaseTable<br />
<br />
For Each crDBTab In CRReport.Database.Tables<br />
crDBTab.SetLogOnInfo sServerName, sDatabaseName, sUserID, sPassword<br />
Next 'For Each crDBTab In Report.Database.Tables<br />
If I am to use a trusted connection sUserID and sPassword must not be supplied coz the Windows Auntheticity will be used, anybody has an idea on how it will be done?
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Hello guys..
Need help on how to get the maximun number of days in a month using DateTimePicker vb.net2005..... ???
Tnx in advance....
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You don't need the date time picker. DateTime.DaysInMonth() will do this for you, the datetimepicker probably calls it.
Christian Graus - Microsoft MVP - C++
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You are the best man.... Thanks many times....
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Does anybody have a tested working example of the ReadProcessMemory API,
written in VB.net that they could kindly post?
Including correct declarations.
Thank You.
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About the best article there is, using ReadProcessMemory, on CP is this[^] one. It's in C#, but the code is convertable to VB.NET.
I've used his code in an application myself, without any problems. I'll be putting an article together fairly soon that uses that very same articles code.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
-- modified at 21:15 Sunday 29th January, 2006
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Thank you for your reply.
I am aware that the internet is full of code examples of ReadProcessMemory in C#, C++ ect, but I can never get the conversions to work, which is why I am looking for a code snippet in VB.net to work out where I have gone wrong.
Thanks again.
PS Is your application in VB.net?
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