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Filter by Day: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Invalid attempt to Read when reader is closed Posted by Chris at 10/5/2007 11:28:22 PM Hi,
i wrote this code for fetching data from a table using a stored procedure.
The connection definition and opening are put in a class.
The actual read of data occurs in code-behind.
My problem with this code:
Invalid attempt to Read when reader is closed at line: While dtreader.Read()
...more >>
Report formatting Posted by William LaMartin at 10/5/2007 10:31:12 PM I am having trouble creating a report (not Crystal) where the data is
displayed in three columns--think of mailing labels. I have done this with
Microsoft Access Reports, Crystal Reports, but accomplishing this in the
..Net 2.0 Reports is a problem. There is a property of the Report Body name...more >>
What do I need to get started? Posted by Gilles Ganault at 10/5/2007 9:11:10 PM Hello
I'd like to try writing desktop, ie. winforms, apps in VB.Net, and
need to check what to do:
1. Install .Net framework 2.0 (or can I use 3.5?)
2. Install SDK
3. Install VisualStudio 2005 Pro
Is this correct? Thanks....more >>
Parameterless String constructor Posted by dippykdog NO[at]SPAM gmail.com at 10/5/2007 8:29:55 PM Does anyone know why there isn't a parameterless constructor for the
String type?
Given that you can...
Dim s as New String("Hello") ' inefficient, don't do this
I guess I would have expected...
Dim x as New String()
to give me x pointing the an empty string.
For what it's wor...more >>
question about datareader in function Posted by Chris at 10/5/2007 7:04:04 PM Hi,
i use this to recover data via a stored procedure from a database.
Imports System.Data
Imports System.Data.SqlClient
Public Class chat
Public Shared Function myfunction() As DataSet
Dim dsdata As DataSet = New DataSet()
.....
end function
end class
Now i wondered whether it wou...more >>
Catch changes made by user Posted by vovan at 10/5/2007 4:57:27 PM I have set of controls (Textboxes, checkboxes etc) along with the Grid on
Windows Form.
I use BindingSource to populate both Grid and the set of Controls. User
selects the record in the grid and all controls are populated with data from
the selected row.
The grid is going to be read only. Te...more >>
Temperature sensor with VB.Net Posted by Freddy Coal at 10/5/2007 3:26:39 PM Hi, I would like get the current value of the processor temperature, fan
speed and other data if possible. How I can get that with vb.net?
I'm reading about WMI, but I don't understand how use that, this is my code:
Dim query As New SelectQuery("CIM_TemperatureSensor")
Dim search As New Man...more >>
How to know if a form is already open ?? Posted by LB at 10/5/2007 1:00:06 PM How may i do to know if a form is already open ??
In vb6, i use Forms but i don't know how to do this in vbnet.
Thank you!!!
...more >>
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Web service hosting options Posted by Bob Altman at 10/5/2007 11:56:20 AM This is a follow-on to my previous post. It occurs to me that I asked the
wrong question.
Here's what I'm really trying to accomplish: My application is a real-time
airplane and avionics simulation. My application includes a .Net singleton,
exposed via remoting, that allows clients to do...more >>
Escaping apostrophe when inserting into sql database Posted by mister-Ed at 10/5/2007 11:31:33 AM I have a datagrid, and when initializing my field variables, I need to
double up apostrophes so they are accepted into SQL dbase. In the line
below, i'm trying to do this with the Replace function, but i still
get an error when entering an apostrophe:
Dim sCompany As String = CType(e.Item.Find...more >>
Need to write web service Posted by cj at 10/5/2007 10:26:31 AM I have used web services before WSDL files and such but never written
one. I need some basic starting info.
1. Can I write a web service in a windows app? or are all web services
asp web apps? In other words what type of program do I create?
2. Anyone point me to a tutorial that is ve...more >>
Capture Unbound Form Control's Value Posted by Donald Fisher at 10/5/2007 9:36:09 AM Hello. I'm trying to capture a controls value: a dropdown box with two
selections (either "Red" or "Blue") keeps returning the value "Red" even if
"Blue" is selected?...more >>
IO Permission Error, Form Won't Load Posted by ge0193387 NO[at]SPAM otc.edu at 10/5/2007 7:34:39 AM I have an object on my form the does reading from a file and another
that writes to a file. Simple operation just Readline()/Writeline().
I had a problem previously where my form would throw up an error on
run (not build).
An error occurred creating the form. See Exception.InnerException for
...more >>
Basic progress bar timing question Posted by kimiraikkonen at 10/5/2007 2:06:37 AM Hello,
I want to ask this: How can i equalise my progress bar with the
external process until it finishes?
For example i have external process and the processing time differs
computer by computer. What should be the code to equalise progress bar
movement with the process?
Thanks.
...more >>
Hiding Tabcontrol horizontal scroll buttons Posted by Steve at 10/5/2007 12:00:00 AM Hi All
I want to prevent the Windows Tabcontrol from showing the horizontal scroll
bar when the Number of Tabs exceeds the width of the control
I use code in 2 buttons to control the scrolling, as the default scroll
buttons are too hard to target on a Touch Screen
How do I do this?
...more >>
Try to hack my web site! Posted by Ivo at 10/5/2007 12:00:00 AM I am programming forum. Tech is ASP.NET, C# and SQL Server 2005. I want to
see is my site safe, have I made some security problems. Can you try to hack
my site untill 10-september-2007.:
http://www.search4affiliate.com/Forum.aspx
Thanx
...more >>
Tabcontrol tabs visible Posted by Steve at 10/5/2007 12:00:00 AM Hi All
How can I tell how many Windows forms Tabcontrol tabpage headers are visible
at any time within a Tabcontrol?
I want to display some buttons which offer horizontal scrolling of the
tabpages, but only if the number of tabpages exceeds the width of the
Tabcontrol
There is no Visi...more >>
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