Get A Button (btnWisBedrijf) That Only Deletes The Company (Bedrijf In TblBedrijf) If It Doesn't Excists Anymore In TblKandidaat (Bedrijf)?
May 31, 2011
I have a database with 2 tables. One is a table with persons and one of the entries is also saved in another table.
tblKandidaat = person info (Bedrijf, Naam, Status)
tblBedrijf = Companies (Bedrijf)
I have a listbox (lbxBedrijf) that is filled with the companies (Bedrijf) from tblBedrijf.I want a button (btnWisBedrijf) that only deletes the company (Bedrijf in tblBedrijf) if it doesn't excists anymore in tblKandidaat (Bedrijf).
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Jan 29, 2010
i have a simple code that send an e-mail, when i try it running in debug mode it works fine, after compile, i run the exe but the same code doesn't work any more..
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I have four comboxes all containing A,B,C,D. My problem is if I have chosen letter A on the first combobox, the last three won't have letter A anymore, then on the second combobox, if letter B is chosen, the last two will have C and D and so on.
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Mar 8, 2009
For the last half an hour, whatever changes I make in my app, when I hit the green arrow to start debugging nothing changes. The app seems to be running from a previous build?There's no error/warnings/messages on build.
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May 26, 2012
I have a user control which consists of a dataviewgrid with some extra panels controls etc.I have just updated this program from an old version of vb where the tab control was just a row of tabs with no actual child pages attached.so to use several of these userControls (called 'Pages' from now on) a Panel was created and placed underneath the tabs to give the illusion of tabpages.when a user clicked a tab the relevant 'Page' was brought to the top of the Z order. This was accomplished with a directory of the 'Pages'..This all worked fine until I decided to change to using the TabControl in VS 2010.
So I didn't need the Panel anymore I just added the 'Pages' to the TabPages instead and I could also get rid of the directory to access the pages as it is not needed for display purposes anymore and for other access I could use the Tabcontrol.TabPages collection instead.Now when each 'page' is created and setup the dataviewgrid is loaded with a Table and the columns are re-ordered.I am loading approx 20 'pages' to the tabcontrol 1 to each newly created tabpage obviously. this is done using using a for each loop from a DB table.now the problem is that the first 'page' dataview grid has the columns re-ordered but none of the others do ! the Data is fine it's just the column order that's wrong.the same code is used for all (The setup is method of the 'Page') and i have stepped through the code and it all works OK with no exceptions. no code is missed but the grid order is OK for the first 'page' but not the others.everything else works fine the 'Pages' are all on the TabPages and the data is OK..Now comes the really weird bit! if I add the 'page' to the old unused panel before i add it to the Tabpage all the grids are re-ordered fine as in [code] Now the Panel is visible but not on screen if you see what i mean obviously if i move it on screen it's empty as the 'page' control can only be in one place and it's on the Tabcontrol..so why is it working ONLY when I add it first to the unused Panel? what is happening here? Oh BTW it only works for this Panel - not if i create a new one and add it to that..AND if the Panel Visible property is set to false the columns are not re-ordered again? I have tried deleting the panel and all code that uses it but the grids are not ordered properly till i re-instate the panel?
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Dec 24, 2010
Nothing is printed in my debug output window anymore.
Debug
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"Debug > Output" shows empty Output window.
Note: "Tools / Options / Debugging / General / Redirect all Output" is checked.
software developer
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Jul 24, 2011
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Jul 11, 2010
My problem is with the following API.
Private Declare Function GetKeyState Lib "user32" (ByVal keyCode As Integer) As Integer In Windows XP, I could simply use the API like this: If GetKeyState(Keys.Left) < 0 Then 'Move Left If the key was pressed, it was a certain number below 0, the number itself alternated each time you pressed the key but it was always below 0.
My problem is that in Windows 7, when you press the Left key, the number isn't the same, in fact the number isn't even negative anymore. This problem tricked me at first into thinking the API didn't even work as when I ran the .exe of course my code did nothing since GetKeyState never returned a number below 0. I tested the value itself though and found that it never goes negative, the number for the key just decreases a little.
The weird thing is, while the .exe from the Debug folder proved my point that the GetKeyState number was different and thus the program didn't work, running the .exe from the Release folder actually worked, the controls were fine and the API returned numbers less than 0 for GetKeyState. But the .exe from the release folder was built with my old XP computer, as soon as I made a new build with my windows 7 computer the API stopped working again.
Why did Windows 7 change the number returned for when the key is down, is there a way to change it back without having to include some large package with my program? Why did the build from my XP computer work at first? Also it was only the one from the release folder, not the debug one, even though they were both from the XP computer.
I tested some more on windows 7 and found that every time I run the program, the number returned by GetKeyState is completely different. When the key is down the number is 1,000,000 units higher than up, but other than that the number is random each program start.
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Mar 3, 2012
The application that I am working on is a Service Desk App. I have a form there that uses a DropDownList that contains employees names coming from the Active Directory. Any employee can make a request and save it. Problem arises when an employee leaves the company and consequently his account is deleted from the Active Directory. When some other employee searches the DB to finds a relevant Service Ticket that could be of his use, when tries to open it an error is thrown that indicates that the name does not exist in the DropDownList items.
UPDATE:I am adding some code so that it can be more clear.
<asp:FormView ID="FormView1" runat="server" DataSourceID="SqlDataSource1"
DataKeyNames="ITRequestId">
<EditItemTemplate>
[code]....
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Jun 27, 2009
I'm writing this prgram for class, and everything seemd to be working right except for my calculate button. It doesn't show the Calculation. Here is my code:
Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculateTotalPay.Click
' declare variables
Dim hours As Double
[CODE]...
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Jun 23, 2010
Assume an application uses the Dim SalesArray(1 to 10) As Integer instruction to declare an array named SalesArray. The array contains 10 sales amounts. When the user clicks the DisplayAverage button on the form, he or she should calculate and display the average sales in currency format. The code for the DisplayAverage button doesn't work. Fix it.
[code]...
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So, I'm working on a simple game in Visual Basic, and I have 2 labels. One named "pointsLbl" and one named "pointsleftLbl":
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[Code]...
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[Code]...
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Mar 28, 2010
this code during button add click event
Private Sub cmdAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdAdd.Click
[code].....
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Jun 23, 2010
Assume an application uses the Dim SalesArray(1 to 10) As Integer instruction to declare anarray named SalesArray. The array contains 10 sales amounts. When the user clicks the DisplayAverage button on the form, he or she should calculate and display the average sales in currency format. The code for the DisplayAverage button doesn't work. Fix it.
Sub DisplayAverage_Click( )
Dim X As Integer, Total As Integer, Average As Single
If X = 0 to 10
[code].....
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Feb 10, 2011
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Jan 24, 2012
I have two (2) variables in a textbox (L7B) and (D2B).
TextBox3.Text = (L7B) &
" " & (D2B)
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[Code]...
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DoTest()
dim j as datacontext
dim recs = from myrecs in j.mythings select myrecs where myrecs.key="key1" or
myrecs.key = "key2"
[code]....
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I have the following
[Code]...
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