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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 adding items to a listbox that are null problem Posted by mrmagoo at 3/27/2006 11:45:34 PM I'm trying to add an object to a listbox. I'm using a DataReader from a
resultset from a stored procedure.
It works except when there are NULL in any of the rows. Then I get an error:
An unhandled exception of type 'System.InvalidCastException' occurred in
microsoft.visualbasic.dll
Addition...more >>
Derived TextBox Posted by Rob at 3/27/2006 6:58:41 PM Question : I want to create a read only TextBox that does not
respond to any input from the keyboard, therefore I came up
with the following derived class :
Option Strict On
Imports System.Windows.Forms.TextBox
Public Class DerivedTextBox
Inherits TextBox
Protected Overridable...more >>
Instance of derived class does not show public methods or properties that are not in the inherited class Posted by D Witherspoon at 3/27/2006 4:34:33 PM What is happening is that I have a class (ClassA) that inherits a class
(ClassB) which inherits System.Net.Mail.MailMessage
Project 1 references Project 2,
Project 2 references Project 3.
When I declare an instance of "ClassA" in a thrid project I get all of the
public methods/properties ...more >>
Shell to DOS Posted by ngr at 3/27/2006 4:33:24 PM I want to be able to shell to DOS to pipe the contents of something to a
file which can then be read in by VB.
Example
Shell to DOS and then run ROUTE PRINT > FRED.TXT
return to VB and then open fred.txt to do sometning with that.
My attempts have so far failed as no piped file has bee...more >>
VB.NET, Access and Transactions Posted by Stephen Roberts at 3/27/2006 3:30:08 PM Hi,
We've got a multi-user system written in VB.net. It has an Access back
end. We've written it using Business objects, and it writes changes to
the database using saved queries eg
PARAMETERS P1 Integer, P2 Integer, pId Integer;
UPDATE Table1 Set Value1 = P1, Value 2 = P2 WHERE ID = pID;...more >>
Abstract/Base Class Best Practices - Help Posted by D Witherspoon at 3/27/2006 2:53:36 PM Coming up with a scenario here. For example there is the standard .NET
MailMessage class.
I am creating a project (let's call it CommonBase) that has the following 2
classes
EmailMessage_Base ([Public MustInherit] inherits System.Net.Mail.MailMessage
and provides additional methods and ...more >>
Financial.Rate Cannot calculate rate using the arguments provided Posted by Programador at 3/27/2006 2:11:01 PM I'm getting this error when running this program:
Cannot calculate rate using the arguments provided
Module Module1
Sub Main()
Rate(360, -694.44444444444446, 244274.69178082192)
End Sub
End Module
This is a vb console application, has anybody seen this before? how ca...more >>
How to get date correponding to 2nd wednesday of each month. Posted by amit.gaind NO[at]SPAM gmail.com at 3/27/2006 1:37:40 PM Please suggest how to get date correponding to 2nd wednesday of each
month ?
...more >>
Don't see what you're looking for? Search DevelopmentNow.com.
Problem with - Edit Item of Collections.Generic.List(Of SearchAreaListItem) Posted by snesbit at 3/27/2006 1:28:14 PM I have a structure called SearchAreaListItem.
The structure has some properties.
The application implements this as a collection.generic.list(of =
SearchAreaListItem)
I load the collection up item at a time stuffing values into the item =
then adding the item to the=20
collection.
...more >>
SqlDataAdapter Parameterized Query - Apostrophe Issue Posted by herlihyboy at 3/27/2006 12:47:55 PM I have searched and can't find any articles pertaining to this issue...
I am filling a dataset using a SqlDataAdapter that was instantiated
with a SqlCommand object. When the Fill method is called, I get the
"incorrect syntax near..." error message that you typically see when a
query is const...more >>
Using VB 2005 Posted by Mavrik at 3/27/2006 11:08:25 AM Hi all,
I run a exe of VBNET on computer A, it run OK. But there is an error
(missing DLL - ag8614x_32.dll) when I run the same program in computer
B. I search dll on computer A and found at i386, Window\system and
Window\system32. I copied the dll from computer A to the same location
on comput...more >>
Application.StartupPath not working in VS2005 (worked in VS2003) Posted by hayworth NO[at]SPAM hotmail.com at 3/27/2006 10:32:11 AM I had some code to build the name of a file:
' Build the name of the XML config file.
g_strFiles.strConfig =
My.Computer.FileSystem.CombinePath(Application.StartupPath,
"\Settings\Config main.xml")
This worked fine in Visual Studio 2003. But now that I updated to
VS200...more >>
layout on screen keeps changing.. Arg Posted by Stacey at 3/27/2006 10:26:01 AM I have an application that has been designed for 600x800. The app is non
sizeable, yet when I run it on certain machines, the layout is changed. For
instance. I have a picture box that in design mode and when I run it on my
machine has a height of 175 and width of 190. When it runs on my clie...more >>
Catch if File not Found Posted by ILCSP NO[at]SPAM NETZERO.NET at 3/27/2006 9:54:30 AM Hello, I'm writing a Visual Basic.net (vb.net 03) program and I'm
checking if file(s) exist in a particular directory. If the program
finds such files, I will write the total and names in my log and keep
going. Otherwise, If I find none, I need to write that in my log and
exit the program.
M...more >>
Convert Excel Julian to VB.NET Date Posted by simchajoy2000 NO[at]SPAM yahoo.com at 3/27/2006 9:44:51 AM Hi,
I am reading some dates from an Excel worksheet in my VB.NET code and
even though in Excel these dates appear in this format 3/18/04, it is
read into my code as a number like this: 36903.
I have been told this is a Julian date but the calculations I have
found on the internet to handle ...more >>
Help VS 2005 Dead in Water for VB project Posted by genojoe at 3/27/2006 7:58:03 AM VS2005 running smooth for several months. While working on project today, I
got some type of error message. Without closely studying, I clicked OK
expecting to restart successfully or repeat the message.
Now whenever I open VS2005 and load an existing project or create a new
project, I ca...more >>
regex pattern - ignore whitespace (CRLF and spaces)? Posted by Craig Buchanan at 3/27/2006 7:35:58 AM I have a HTML fragment that looks like this:
<tr>
<td valign="top" nowrap><span class="textBold">Property
ID: </span></td>
<td valign="top" nowrap colspan="4"
bgcolor="#F0F0F0"><b> 01-068-24-64-1024</b></td>
</tr>
I am trying to extract the '' part of it.
This p...more >>
which is better Posted by rodchar at 3/27/2006 6:11:01 AM hey all,
is there a difference when saying:
myString= Split(_dr.TCADR1, " ")(0) & " " & Split(_dr.TCADR1, " ")(1)
-or
myArrary = Split(_dr.TCADR1, " ")
myString = myArray(0) & " " & myArray(1)
thanks,
rodchar...more >>
Advanced Events Posted by frank at 3/27/2006 5:25:46 AM Good Morning All,
I am working on a CAD application. At the time of this writing I am
currently working on the GraphicsEngine. The structure is as follows:
GraphicsObject (Base Class, Must Inherit)
ShapeObject (Must Inherit)
Derived Classes()
TestObject (Must Inherite)
Derived C...more >>
How to read S.M.A.R.T. attributes in vb ? Posted by NO[at]SPAM rpus at 3/27/2006 5:16:02 AM Ive been browsing the WINAPI descriptions, but can't seem to find where the
S.M.A.R.T attributes can be read.
I'm trying to read the current Temperature from a S.M.A.R.T. enabled HDD,
and i would like to do this in VB.NET.
...more >>
E Book Posted by Garg at 3/27/2006 1:48:20 AM Hi All,
I am new to Dot Net Tech.. If you are having any E Book or URL from
where i can download the Book. Please send that to me.
Tarun Garg
...more >>
Dot Net Deployment Issue in Win98 Posted by Solution Seeker at 3/27/2006 1:42:01 AM Hi,
I have a quick question on VB.net deployment on win 98 platform.It would be
of great help
if you could help.
I am trying run a deployable exe built from VB.net 2003. The target machine
where it is deployed is a win 98 machine.As soon as I invoke the
application, I get a 'JIT'
erro...more >>
Problem deleting rows from dataset (VS2003, VB) Posted by marshallarts at 3/27/2006 1:41:30 AM Hello,
I have a datagrid (grdShots) on a form, and a button to allow the user
to delete records from the dataset underlying the grid. My code
appears to work, because the row disappears from the datagrid. But the
delete is not being updated back to the data source, because if I exit
the app...more >>
Deployment without Framework? Posted by Stoll at 3/27/2006 12:00:00 AM I am thinking of buying a copy of VB, and wanted to make sure I could make
use of it before I spend the money. Is there any way to create an
application that would work without needing the .NET framework? Or an app
that could run without itself being installed? I would like to offer some
small (...more >>
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