An Excel Application Is Still Running In The Backround?
Jun 21, 2011
I have a program that uses Excel files as a datasource. When I import data I start the Excel interfaces and after the whole thing is complete I close and empty the Excel references...But, the Excel program will still be running in the backround.(When I check the Task Manager it shows at least one EXCEL running...)Also, one of my excel-files always prompts for "Do you want to save the changes" option when I import the file into my program. Even though it has not been running at all... ?
If fdlg.ShowDialog() = DialogResult.OK Then
Polku = fdlg.FileName
Dim XL_App As New Excel.Application
Dim XL_WB As Excel.Workbook = XL_App.Workbooks.Open(Polku)
[code]....
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Aug 8, 2010
1. I am making a program in here i press a button and it changes form 1 backround into a difrent couler which i have don code for number 1
( Private Sub cmdColor_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles pnlColor.Click
If pnlColor.BackColor = Color.Red Then
pnlColor.BackColor = Color.Blue
[CODE]...
2. But next i whant to create it where you press the button onece and it turns to a couler and then wait 30 seconds and it changes to another couler any ideas for number 2
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Feb 3, 2011
I have an MDI form on which I have placed a ToolStripContainer. I have set the BackColor of the toolstripcontainer.contentpanel to an ApplicationsSettings property binding for BackColor. At design time the background colour of the contentpanel reflects the colour in the saved Applications Settings. However at run-time the background colour of the content panel is not the colour that has been saved in the applications settings (in this case DarkSeaGreen). It continues to display the colour from the current
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Nov 24, 2009
In my vb.net applications, I do a lot of reading/writing to excel files.This is one of the simpler bits of code I use:
Dim objApp As Object, objBook As Object, objSheet As Object
objApp = CreateObject("Excel.Application")
objBook = objApp.Workbooks.Open("C:maid2cleanM2CPrinters.xls")
objSheet = objBook.Worksheets.Item(1)
[code]....
It's never been fast but in the last few weeks it seems to take forever.The "createobject" line is taking 4 seconds to run. is there any way I can find out why it's slowed down?
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Nov 18, 2011
I am converting several VBA projects to Windows form applications. The only problem I have is that some of the functionality of Excel is essential to the application, such as R1C1 formulas. I do not want to instantiate the Excel application or access saved worksheets. All of the data is retrieved by querying Oracle databases. 2-Dimensional arrays are not an option because the columns contain differing datatypes, and DataGridViews are too slow to work with.
I thought simply dimming a Microsoft.Office.Interop.Excel.Worksheet object would be enough, but the program kept failing and upon inspecting the object's elements in debug mode, I found that every value says this:
{"Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.WorksheetClass' to interface type 'Microsoft.Office.Interop.Excel._Worksheet'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{000208D8-0000-0000-C000-000000000046}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE))."}
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Apr 24, 2010
I had done one application using api which send the message to given number. The working of software is very fine without any error working on windows XP SP2. I heard that vista already contain the .net frame work so didnt installed .net frame work in machine. I checked in vista it shows .net frame work is in machine. But when same code i tried to run on Vista it gives the error. Error is as follows
See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
at SmsSendingApplication.frmSingleMessage.InternetOpenUrl(Int64 hInternetSession, String& lpszUrl, String& lpszHeaders, Int64 dwHeadersLength, Int64 dwFlags, Int64
[Code].....
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Jun 4, 2011
what account for this error message in ls beta 2?'' The last change wasn't successfully persisted.Please shot down the running application.
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Nov 18, 2011
I just bought a windows 7 starter ACER laptop and I can't change the destop backround. there is no option to change it and when I go to my pictures folder to " set as backround" it doesnt work.
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Jun 1, 2010
So heres the change backround code
Dim Fd As New OpenFileDialog
Fd.Filter = "Image Format(*.bmp;*.png;*.jpg)|*.bmp;*.png;*.jpg"
Fd.Title = "Add Background Image"
[Code]....
now what could i add to that to make it save the backround change?
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May 7, 2009
I have this
Dim strAppPath As String = System.IO.Directory.GetCurrentDirectory()
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code].....
But, is there any ways that I can use to made the "xsentinel.bat" will running in background (Sys Tray)?
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Oct 20, 2009
How do I make a program run in the backround? For example: Security software or windows messenger. When it still runs but no window is open.
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Oct 23, 2009
How do you put backround music in your program. I've seen some tutorials but they only work if they can find the music file. How do I put it into my exe file afterwards.
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Jan 3, 2011
use the backround worker as an array. For instance, i load the listview with email names and the passwords and was wanting to send email from each one as a test.
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Jun 21, 2011
after the backround image property of a form was set by the main code how can the user reset the form's backround image to none (the plain grey color)?
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Jul 12, 2011
Which is the best way to store application and user settings of an application running with multiple instances?My problem is that using the vb's "Application Settings" one instance would overwrite the other one.I want to identify each instance with a number passed via command line argument. I could use this number to identify the appropriate settings of the running instance, but I see in a local INI o XML file a better way to handle that.
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Aug 24, 2011
Im using Visual studio 2005 and I want to push a button which opens either olderbrowserdialog or openfiledialog(which ever works better) and select a picture when I Push Ok the picture I selected becomes the backround image of the form does anybody have idea on how to do this
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Apr 9, 2011
Let's say 10 desktop shortcuts, all with different names/icons, point to and can start the same exe application from the same directory. Is there any means for the application to know the distinct name of the shortcut that was doubled_clicked. Also is there any means for a running application to know if it was started by command line, by a double_click on the exe, by a double_click on a shortcut that points to it, or by another process' call?
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Oct 21, 2010
I am trying to use Setup project. Want my setup to create a desktop shortcut with my application.I donot understand how to do it. Clicked on User's desktop, I created Shortcut to User's desktop, changed the properties Target and Working Folder as 'Application Folder'But it does not connect with MyApplication.exe When I ran the setup and tested Desktop short cut, it took me to the folder where application was installed, instead of running the application.How to make the application run using this shortcut?
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Aug 2, 2010
I have an application where some data is stored automatically to Excel. However during the storage of data, the Excel spreadsheet is visible to the user. I need to know if there is any way to make the Excel run at the background.
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Apr 15, 2011
I'm calling the following method from a button click event to export a datatable to excel. After the export is completed, the excel application object is quit, released and assigned to nothing. But in reality it's not getting released and stays active unless the entire application is closed. So every time the button is clicked for export, a new excel application object keeps on running. How can I solve this?
The problem doesn't occur if two of the lines from the method below are not used. But I can't omit them as they are really needed. Check the * marked lines.
[Code]...
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Feb 1, 2012
I have VSTO Excel addins (.net 3.5) and need to know when the Excel wookbook is being opened in a Browser rather than the Excel client. I haven't figured out a way to do this nor found a solution online and I suspect I am just not using the right seach words. Does anyone know how to do this?
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Apr 15, 2011
I'm calling the following method from a button click event to export a datatable to excel. After the export is completed, the excel application object is quit, released and assigned to nothing. But in reality it's not getting released and stays active unless the entire application is closed. So every time the button is clicked for export, a new excel application object keeps on running.The problem doesn't occur if two of the lines from the method below are not used. But I can't omit them as they are really needed. Check the * marked lines.[code]
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Nov 10, 2009
I'm developing a small vb application that will enable a user to select an excel spreadsheet as the source data and a word document as a letter template then create a mailmerge from the two.It's all working fine apart from when the mailmerge runs, a dialog box pops up asking for the sheet to be selected. The list of options is blank until the 'options' button is clicked and 'system tables' is selected. This is a word thing but I'd like to turn this off, if possible selecting the necessary options programatically from within my vb application.
My opendatasource code is:
.OpenDataSource(Name:=sourcefile, LinkToSource:=True, SQLStatement:="select * from 'Sheet1$'", _
[code].....
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Feb 23, 2011
I want to encapsulate the use of Excel Interop to make it easier to use somehow in a reuseable library.So far, I have written some tests that work good altogether, except that between each test, I force Excel to quite so that it does have handle on the test file no more in order to be able to delete.Once I quit the application instance between after each of my tests, Excel seems to be no longer responding, causing Windows to display "Excel has stopped working and is looking for a solution"
message. This message lasts a few seconds, meanwhile Excel is closing, causing the hang on the file to occur and my tests to throw an exception like "Cannot access file because it is being used by another process..."
[Code]...
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Dec 25, 2011
I need to run an external JAR file (which is minecraft) within the window (form) of a VB.NET application, so like having the program in the center and additional text I like around it.
Is this possible, and if so, how?
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Sep 8, 2010
my app interacts with excel. im running office2007 on my dev machine but the target machine running office2010.i had this problem before where i had to remove office12, install 11 and recompile the project to get it to work on the clients machine, adding multiple references didn't help. is there a work around, or a library that works with any excel version.
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Aug 31, 2009
Im wanting to pull some data from our Remedy Server every so often. Right now we're having to do it manually; Data > Import External Data or New Database Query. The connection is called AR System ODBC Connection Source. We have to log into the server and then it pulls the info into the sheet. Im needing even if have to setup a conection myself first to just have this conection run every couple or two and update the excel sheet. We're using excel 03, Remedy 7.
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Aug 12, 2011
Im opening an excel document with vb.net and i dont want vb.net to close it but to release excel so that when the user closes excel it does not remain as a running process... which it currently is doing here is the code i was using
[Code]....
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Jan 28, 2010
i'm trying to save an excel file after I open my excel application. This is what I have so far:
'Opens the report
xlPeakDemand.Visible = True
xlPeakDemandWorkbook.SaveAs("C:Documents and
[Code].....
When saving as an xls it works fine but when saving as a htm its a disaster Just a bunch or symbols and stuff. BUT if I go into my xls document and Save As webpage from there, it works fine!
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Aug 19, 2011
I try to develop a automation-add-in for Excel which can get some data from our SQL DB. So i call my add from an Excel-cell.. like "=getThisFromDb()"... This works totally fine! But what if i want to write to another cell then just give a return value? I managed to get the running instance of excel. I can read from it. I can open a new document in it and write to it. ->> But can't write to the Worksheet that called me!!
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