Output From Subs Not Appearing Until The Final Sub Has Finished?
May 1, 2010
I'm running three subs in turn (one for each stage of the process that I'm carrying out).The first two of them run a VB Process using:
myProcess.StartInfo.RedirectStandardOutput =
True
[code]....
They then use the StandardOutput of their process to update one TextBox that I'm using for the output of all three stages.The final sub uses the shell because I can't get the EXE that I'm running with it to work properly using a process (this is not necessarily the problem though).The problem is that nothing changes in my textBox until the final sub has finished. The first two sub's output doesn't appear even though this should be just a linear process...
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Dec 22, 2010
How do I get final output to display month, day, year? Would I need another replace array? Or can I dynamically format from SQL table?[code]...
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Oct 21, 2011
Since reinstalling VS2010, it has not been displaying proper debug info. I don't think I changed any settings but I have had a hunt through the options and can't see anything I might have messed up. I have had a quikck search and other people seem to have had the same problem but no solution. I'm running Windows 7 x64 with latest updates, if that matters.
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Jun 15, 2009
I'm trying to call a private sub in another private sub. For example ;
[Code]....
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Oct 26, 2009
When you refrence a Function like this one:[code]You may want to be able to get more out of that, like this.[code]So how would I be able to add subs or functions onto a sub or function like that?
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Dec 18, 2011
Does anyone know how to implement in VB an algorithm for final differences that changes the network (the matrix) during the computation (decrease its dimensions)?
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May 5, 2011
The program I am making contains many Form ,and I see that adding Forms increase the size of the final .exe . Is there any way to avoid making the large .exe ,as I have came to know that Large .exe is not good and also consume more RAM memory.
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Aug 4, 2009
I've looked up this answer and changed 'build' option to embed the files but I still get a io file not found error. where exactly are my resources located? atm my code is this:
Private Sub TextBox1_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles TextBox1.KeyDown
Select Case e.KeyCode
[Code].....
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Nov 19, 2010
this application for computing the gcd but it give me just the value for first iteration but i need the final values of x2 y2 a
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim x1 As Integer
Dim x2 As Integer
Dim y1 As Integer
Dim y2 As Integer
[Code]...
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Nov 20, 2010
phi(n) to any number in this code give me one?
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim n As Integer
n = CStr(TextBox1.Text)
[code]....
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Nov 5, 2010
Dim Test_Output As System.Byte = 0
Try
For test_value As System.Byte = 0 To 255
Test_Output = test_value
Next test_value
Catch ex As Exception
MsgBox("Exception occurred: " & vbNewLine & "Test_Output is: " & Test_Output.ToString & vbNewLine & ex.Message)
End Try
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Mar 1, 2012
What I am trying to do: There are three powershell scripts with different time delays as shown below.I am trying to run them asynchronously in .NET and I followed this article to implement Asyncrhonous programming. Where I am stuck:The I am not able to retrieve output after the events are invoked.The scripts are being called but then the program ends and it shows "Press any key to continue" in console windows.I don't what I am missing here.
Info: JobRequest is a class that I use to pass around information keep track of jobs.
Sub Main()
OurAsyncFunctionCalling("psDelayScript2.ps1", "-arg1 4 -arg2 5", 1)
OurAsyncFunctionCalling("psDelayScript1.ps1", "-arg1 2 -arg2 3", 2)[code]......
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Sep 6, 2010
I have a BaseClass, a DerivedClass1 and a DerivedClass2 from a third party library. DerivedClass1 and DerivedClass2 both inherit from BaseClass.There's a ContainerClass, from the same library, with a member variable ActiveItem, which can be of DerivedClass1 or DerivedClass2, so it is declared as BaseClass.I want to know if ActiveItem is of DerivedClass1, as it can change in runtime without notice.If I do
Dim isDerivedClass1 as boolean = TypeOf(oject.ActiveItem) Is DerivedClass1
then I get a compile time error, telling me that ActiveItem can never be of DerivedClass1 type.I have tried several combinations of GetType and TypeOf but it doesn't seem possible to check this. I have also tried to declare an auxiliary DerivedClass1 variable and comparing their types, but haven't got any luck either.
Edit:The following code doesn't compile in vs2005 SP1.
Public Class Base
Public x As Integer
End Class
Public Class Derived1
[code]....
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Mar 1, 2012
Is there a way to delete the final line of a DataTable? I use - DataTable.Rows.Remove()But how can I find out which is the final line in the DataTable
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Feb 25, 2011
I need to build a comma-delimited string from an array.
For i=0 to ubound(arr)
str+= arr(i) & ","
Next i
The trouble is that I end up with an extra comma at the end.
My current method for removing the comma is:
If str<>"" then
Left(str, Len(str) - 1)
End if
But it seems pretty untidy, and non-generic. I have to do this so often, it's become a pain.
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Apr 24, 2012
I have a system that has a gridview on one page with an Update Panel. On selection of one row of a gridview the system posts-back using that CommandName and CommandArgument to post the row that is selected, and then set a Session variable as the ID of that posted selected row. The other controls run Async correctly and the button in question is already registered using this on the RowDataBound event.
Dim gvRowSelect As GridViewRow = e.Row
Dim imbSelect As ImageButton = DirectCast(gvRowSelect.FindControl("imbSelect"), ImageButton)
ScriptManager.GetCurrent(Page).RegisterPostBackControl(imbSelect)
I would like to try and get this session on the button command and somehow within the master page, set a label to the current Session. On the imbSelect command the code is:
Dim cellSnapshot As TableCell = gvSnapshots.Rows(e.CommandArgument).Cells(0)
Session("Snapshot") = cellSnapshot.Text
Within the masterpage is there anyway of calling a function after the Page_Load, and after it has resolved all Postback events?
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Dec 4, 2009
I am having trouble trying to get my shared class final value
Class name : Encryption
Public Shared Sub PassEn(ByVal PassTxt As String)
Dim strText As String = PassTxt
Dim salt As String = "61651616516161651615"
Dim bytHashedData As Byte()
[Code] .....
I am trying to call this from the call and get the return hash but when I try to make a global variable it doesn't allow it. How would I call this and get "HashValue" on to a textbox on my form.
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Dec 17, 2009
Is there a way to check to see if the enumeration is already finished?
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Mar 9, 2010
I am using the following command to install a driver withing my program: Process.Start(Application.StartupPath & "USBG-232MM_Driver.exe")
This installs a driver for USB cable(not important).
1- I would like to wait untill the driver finishes installing before I go to next step. Is there anyway to know if this process is completed?
2- After I plug the USB cable the computer starts the detection. I like to know when the device is detected and ready.
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Sep 2, 2009
Over the last few weeks i have been trying to add a final level of nodes to my treeview from databases.Within each database is the title of the next node and the key of the node, the child nodes are linked to the parent nodes by the row number/ID column.That is my scenario.
Now comes the next "challenge" At the moment in my code i have had to take out the parts that cycle through each database to add the children as it was causing an error that is described (Learn how to insert hyperlink) here: [URL].. So to overcome that i removed it (dumb approach i know) My justification is that i wanted to see if "my" code worked to add all levels of the nodes. But instead of having All the nodes that should be visible, i only have all the last ones: heres a 'picture to show'What i have below; Whereas all the parents should have children, all the children grandchildren and the grandchildren greatgrandchildren.
[Code]...
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Mar 16, 2011
I have the following query:
Dim roommates = From p In dbroom.Residents _
Where p.room = queryStudent.First.r.id _
Where p.building = queryStudent.First.b.id _[co
de].....
But I still get the same error: The method 'First' can only be used as a final query operation. Consider using the method 'FirstOrDefault' in this instance instead.
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Jul 18, 2009
I'm trying to put a scroll in the final message box that populates when you run the program but I can't seem to get around it.
Option Explicit On
#Region "Description"
#End Region
Public Class Week3
[code]....
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Mar 23, 2010
I am currently writing a code that prompts a user if they want to convert F to C or C to F, two functions with the calculations. My problem is my loop, it exits one time through and doesn't prompt again. And also doesn't display the final result.
' VB Script Document
option explicit
const menuBar = "Temperature Conversion"
Dim userPrompt, prompt, Temperature, toCelcius, toFahrenheit
prompt = vbOk
Do While prompt <> ""
[Code] .....
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May 3, 2009
I'm taking my first (and only) beginning programing class for Visual Basics 2008. I'm working on my final project and have hit a snag. A little background info - I have been able to code everything except for two final steps (but they are my most difficult steps), on these final steps I've gotten two suggestions on other sites, one person helped me with the coding which I used for my form1, but it I still have several errors, and another person suggested that I use a module.
Here is the issue. I have totals on three forms that need to pass through to a final form, and once they are on the final form they need to show up in an itemized list and need to then be totaled again. I actually have a total of 5 forms including my first form aptly named form1, which incidentally is where someone told me I should set up my whole 'connecting the totals' form, and I believe the guy was on the right path with helping me but, I'm still obviously pretty lost on this last segment of coding. Since I had little difficulty with the majority of my project, I didn't think this last bit would be so difficult. I'm going to list my coding for each form below. My project is due Tue morning May 5th Eastern Standard Time, just in case someone starts reading this on or after that date. Just in case it helps explain the issue, I will also post my listing of error codes from my VB project, and they all are centered around my form1 (which is the form that I'm trying to set up the transfer through of the form totals). I also see that I can post attachments so in case it will help I'm going to post my project in the attachment too.
Error Codes:
Error1Event 'Load' cannot be found.
Error2Handles clause requires a WithEvents variable defined in the containing type or one of its base types.
[Code].....
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Aug 9, 2011
THis code extract a value from a table to a var...
Dim var_IES_fornecedores as double = 0
For Each dRow In ds.Tables("Tabelavalor").Rows
If dRow("numeroconta").Equals("221") Then
[CODE]...
This is the problem...the numbers after the period should be just 2 and not a lot of numbers...everythin wrong with the code?
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Jun 4, 2011
I have an application that allows the user to upload information from and Excel sheet. Since the user is more familiar with Excel, they prefer to do it this way. My software will close the workbook with Me.exApp.Workbooks.Close() , but if you have the task manager running, you can see the Excel application continues. I know the workbook is closed, b/c it asks if you would like to save changes. One instance of Excel will close when the program is exited, but the user normally builds a folder of Excel files and does them all at once. If 8 instances of Excel exist, only one will close with the program.
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Feb 12, 2011
I've made a tabbed web browser and I'm using
CType(TabControl1.SelectedTab.Controls.Item(0), WebBrowser).Stop()
instead of WebBrowser1.Stop() for navigating.
but I want to know when a web page has finished loading?
Normally the following works, but not with tabs
Private Sub WebBrowser1_DocumentCompleted(ByVal sender As Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted
End Sub
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Feb 24, 2010
I am having no trouble playing a swf file in VB but how can a play a second SWF file AFTER the first has finished? How do I know when the first file is done playing? Tried 'isplaying' method in a while loop but can't get it to work.
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Sep 21, 2009
I have a piece of my code that uses a for each to loop a certain amount of times depending on how many saved fields there are in an xml.
vb.net
'// Write an .html file ready for debugging
If (File.Exists("Working/" & textBoxCampaignName.Text & ".html")) Then
'// Do nothing the file exists
[Code]....
So the for each loops depending on how many nodes it finds in the ("/campaign/secondarySection") this works great, it loops accordingly, what i'm trying to figure out is a way for a messagebox to show once the loops are finished, i can't think of a way to find out once the loops are done.
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Feb 29, 2012
I'd like to know... well, I have finished a project managing databases and all that stuff... and using ADO.NET, some databases and the main program, I'd like to compile it all to make an installation and use those databases.If I use the exex that is inside the debug folder... in other computers gives error and don't show the content of the databases. What I want is just the exe but with the databases visible in the other cpus, how to install the app in any windows computer and what I need to know or give is:
If I have my installator and I give this to a friend, he can use the databases ? He need the SQL 2005 Management to see that content of the databases ? Or I can just give him the program and work with the databases??
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