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Visual Basic IDE

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    - How to filter column a and get max value from column b Hi Davids Learning, Filter a column, which column In what Filter it it what way Are you wanting to show all the rows where the the value selected in the combobox is the maximum value for the index column In others words, do you want to show all rows where one minute the max value in a column is say 75, the next time it might be 100 based on the combobox value THEN show the datagridview to reflect this selection If you are linked to a database then this is a SQL query that looks something like this.>> Select From columnName, WHERE <some condition like <=MaxValue> \** Note this might NOT be the FULL correct SQL syntax. ( I would have to check . ) **\ ________________________________________________________________ I was trying to add some data to a DataGridView in code rather than attaching a database to it. Anyway I tried a function that may work for you. Try my function from the code below. I have added the call to it within the Button1 click event code. Let me know if it works please. I presume in a DataGridView your column name is " ITNumber " I am guessing here. Please be more detailed with your questions. The function below should return the MAX value of column 1. Try altering the For statement to For row = 0 to count ' as I don't know if they are zero based for counting as an array is zero based. Regards, S_DS _____________________________________________________________ Public Class Form1 'This highlighted line should be one line of code in your code window.>>>> Private Sub Button1_Click( ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click 'Returns the MAXimum value from DataGridView1 as a String, 'so ToString is NOT needed. :-) ' The 1 indicates the 1st column. MessageBox.Show(getMaxDataGridViewValue(1, DataGridView1)) End Sub 'This highlighted line should be one line of code in your code window.>>>> Private Function getMaxDataGridViewValue( ByVal columnNumber As Integer , ByVal aDataGridView As DataGridView) As String Dim maxValue As Double = 0 Dim count As Integer = 0 count = aDataGridView.RowCount For row = 1 To count If aDataGridView.Item(columnNumber, row).Value > maxValue Then maxValue = aDataGridView(columnNumber, row).Value End If Next Return maxValue.ToString End Function End Class Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - TypeOF doesn't work correct for Interfaces.. Works fine for me as well. 1. Ensure that you windows application actually references the class library containing the Classes/Interfaces 2. Ensure that the Root Namespace is correct -> Project -> Properties -> Application -> Root namespace (This is not the same as the filename) Your code then worked as expected. Note the 2nd condition will never be executed in your code example as the IF condition is true - which it was. Also when you say it didnt work - does it give you any error messages/exception, does it compile correctly. Please be a little more specific about definition of not working. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - How to run function using variable name Many Many thanks!! Chris Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Convert VB script to C# Hi all, I have the following code for testing WMI for a driver. I got these vbs samples from OSR and was wondering how to port these to a C# application. Code Snippet Set fso = CreateObject("Scripting.FileSystemObject") Set a = fso.CreateTextFile("nothing.log", True) Set Service = GetObject("winmgmts:{impersonationLevel=impersonate}!root/wmi") Rem Nothing_Statistics - Set enumSet = Service.InstancesOf (" Nothing_Statistics ") a.WriteLine("Nothing_Statistics") for each instance in enumSet a.WriteLine(" InstanceName=" & instance.InstanceName) a.WriteLine(" instance.TotalIrpCount=" & instance.TotalIrpCount) a.WriteLine(" instance.TotalIrpRate=" & instance.TotalIrpRate) a.WriteLine(" instance.WmiIrpCount=" & instance.WmiIrpCount) next 'instance I read that you need to add a reference to System.Management in your project to start with, but that's as far as I can go. The "Nothing_Statistics" is a class defined in a MOF file for the driver. "TotalIrpCount","TotalIrpRate" and "WmiIrpCount" are all members of this class as defined in the MOF file. Could you please help me in progressing further with this Any pointers to where I should look for samples is gr8ly appreciated...Thankx. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - I want to post some article Hi I want to post an article that describes "How to use web site administration tool" in VS.NET 2005. I would like to know a site which is widely viewed and post it for free. Thank you in advance. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - My BMP to JPG program. This is going to be my new push for a finished project that does something usefull, but I need help getting started first. I have everything basic down, such as the buttons and menustrip. So far, I have added the openfile feature and it displays your image in an image box. I need to know how to convert the bmp file to a jpg file and have it ready for saving. Thanks in advance. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Not sure how to create this class design... Thank you both. What I was looking for was more along the lines of what Dave299 wrote. It's working great, but one element isn't working from my example. Public Referred as String = "Paper" isn't working when I place it into the users Structure. It gives me "Initializers in structure members are only valid for 'Shared' members and constants." So, I added Shared. But then if I try to change the Referred within the Form1 class I get: "Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated." Seems like I'm stuck between a rock a *** place LOL. Most of these properties (Referred, and others) need to have defaults (Initializers), but they still have to be set from Form1 (in your code example) Any ideas Thanks again, Denvas Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Looking for a collection (that is generic) The VB6 Collection type has several very unusual features. Being able to modify the collection while iterating it is not possible with the generic collection types. I'd recommend you make a wholesale switch and drop Collection completely. Or use this replacement: Public Class Collection(Of T) Private mColl As New Collection Public ReadOnly Property Count() As Integer Get Return mColl.Count End Get End Property Public Function GetEnumerator() As System.Collections.IEnumerator Return mColl.GetEnumerator() End Function Public Sub Add(ByVal item As T, Optional ByVal key As String = Nothing, Optional ByVal before As Object = Nothing, Optional ByVal after As Object = Nothing) mColl.Add(item, key, before, after) End Sub Public Sub Clear() mColl.Clear() End Sub Public Function Contains(ByVal key As String) As Boolean Return mColl.Contains(key) End Function Default Public ReadOnly Property item(ByVal index As Integer) As T Get Return DirectCast(mColl.Item(index), T) End Get End Property Default Public ReadOnly Property item(ByVal key As String) As T Get Return DirectCast(mColl.Item(key), T) End Get End Property Default Public ReadOnly Property item(ByVal index As Object) As T Get Return DirectCast(mColl.Item(index), T) End Get End Property Public Sub Remove(ByVal index As Integer) mColl.Remove(index) End Sub Public Sub Remove(ByVal key As String) mColl.Remove(key) End Sub End Class The one weak spot with this class is that the iterator still uses Object. Not a biggie, VB.NET allows you to provide a type for the iterator, it is just not type-checked at compile time. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - C#.net user control in VB6 I have created a simple usercontrol in c# . It consist of three textboxes. I have written a method in usercontrol to set the values in these textboxes public partial class Win : UserControl { public Win() { InitializeComponent(); } private void button1_Click( object sender, EventArgs e) { textBox3.Text = textBox1.Text + textBox2.Text; } public void CalVal() { textBox1.Text = "My" ; textBox2.Text = "Name" ; textBox3.Text = "Neeraj" ; } } It is successfully registered as COM component . When i use it in VB6 i am not able to set the values in these textboxes Dim objControlNew As Try.Win Private Sub Command2_Click() Dim str As String Dim strnew As String Set objControlNew = New Try.Win Me.Controls.Add objControlNew, "dotnet" Me.Controls("dotnet").Visible = True objControlNew.CalVal End Sub I am just calling the method , values are set from usercontrol , but i am not able to see the values in the textboxes. Please help if anyone know the solution Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Store RTF text as string on clipboard? I have some data in a DataTable, including a column of RTF (Rich Text Format) data. I wanted to be able to create a comma or tab-delimited string which I could then put on the clipboard, and then retrieve back later on or send it to Excel. I used a StringBuilder to 'build' the text string. What happened, though, is that after the first string line was created (separated by a carriage return/line feed), I added additional lines but they never show up when getting the string back via the StringBuilder ToString. I checked the data length of the string as I was building it, and it did increase constantly in size; however, only that first record would show up on the display and when I did the ToString. This also occured even if I did a plain old concatenation via & or Concat. I -THINK- it has something to do with the RTF field being placed on the string - it almost seems that after the first one is placed no other strings are displayed (even they the length says they are being added). So... The real question is: If I have to build a string that is composed of multiple RTF fields, how do I do that Thanks. Chimp (Tom) Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - getting Processor Id (wmi) Under Vista UAC i making a sharedware in vista. but when i start vista, my application using wmi to get processor ID Return Empty String, Unless i run it in admin mode (Once run at admin Mode, the code is ok until you restart vista.) i read a lot in msdn , but found nothing useful. my question is, how can i get the processor id under Vista UAC is there any other methods to do this. this is my code: VISTA(5308) vb .NET2.0 Dim strComputer As String = "." Dim objWMIService As Object = GetObject("winmgmts:\\" & strComputer & "\root\cimv2") Dim colItems As Object = objWMIService.ExecQuery("Select * from Win32_Processor") For Each objItem As Object In colItems 'return empty string, unless you run in admin mode. MsgBox("Processor Id: " & objItem.ProcessorId) 'this line is always ok. MsgBox("Maximum Clock Speed: " & objItem.MaxClockSpeed) Next ------------------------- Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Custom controls folder Why does it HAVE to be in the "customer defined" directory Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - going from vba to vb 2005 with autocad I have been coding under vba in autocad for quite sometime. I am currently using autocad 2006 and want to use vb 2005 with it. The question is , is there any guides that will make my transition from vba to vb 2005 easier And is there a article that will help me use vb 2005 with autocad Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - vb 2005 and websites hey, i have made a website with an sql data source in Visual basic 2005, and i have created a menu in a different form in a different project. my question is how would i load the website through the menu on the form. any answers appreciated. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Opening an existing excel file Can someone tell me whats wrong with this code I'm trying to open an existing excel workbook using visual studio 2005 and Excel 2007. I've already referenced the excel object library. Dim oApp As Excel.Application oApp = CreateObject( "Excel.Application" ) Dim Wkbk As Excel.Workbook Wkbk = oApp.Workbooks.Open( "C:\Documents and Settings\test.xls" ) <------I'm getting an error here that says oApp.Visible = True member not found, but my file is there Anything will be helpful! Thank you! Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Application disappears from taskbar without any reason I have the same experience, randomly throughout the year, with Microsoft Excel. It disappears from the taskbar, een with the file still active on the screen. I also use Alt Tab to get it to reappear (sometimes). Any ideas what causes this on multiple computers would be appreciated. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - VB.Net/Crystal Reports How to generate .ttx file in vb.net 2005 & crystal Reports 10 Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Convert Delegate Hi, I hope this is the right place to post this. I found on www.netfx3.com a sample workflow application and it has a section of code that was written in C#, we need it in vb. I have worked with delegates before, but never like this.. Dictionary < string , Activity > activityIdToActivity = new Dictionary < string , Activity >(); Walker walker = new Walker (); walker.FoundActivity += delegate ( Walker skedWalker, WalkerEventArgs eventArgs) { Activity activity = eventArgs.CurrentActivity; activityIdToActivity.Add(activity.QualifiedName, activity); }; walker.Walk(root); My questtion would be, how would i do this in VB. If you would like to see all the code download the sample from here http://wf.netfx3.com/files/folders/sample_applications/entry4074.aspx , Where i'm talkin about is in the WorkflowAdminService Project...ClassesRemoteFromHost.vb..Line 965... Thanks, Andrew Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Which is better to use? SQL Server 2005 Express or MS Access 2003? Which is better to use and/or faster SQL Server 2005 Express or MS Access 2003 I am using Visual Basic.NET 2005 Standard Edition and dealing with 5,000 to 10,000+ individual records. What if my target PC doesn't have MS Access 2003 Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Calling an Unmanaged C dll from VB.Net II You are butting in. Change Long to Integer. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Use of VB 2005's ImageList Upgrading from VB6 From my side of the World, Good Evening to You All!! I' m asking your assistance once again regarding upgrading from VB6, this time I' m enquiring about the use of ImageList. I was instructed to upgrade from vb6 the following: Case 0 Image1.Picture = LoadPicture("c:\animals\gorila.bmp") Case 0 PictureBox1.Image = New Bitman("c:\animals\gorila.bmp") And it works perfectly but as VB 2005 provides the ImageList I assume that will be tydier especialy on transporting. Thanking you in advance mmyrt Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - API - Unable to simulate +/- mouse scrolling Hi, Int16 and Int32 are .net datatypes only. Use Integer and Long respectively for vb6. I am also not sure if CShort is a vb 6.0 function, what it's equivalent is, or if you need it at all for VB6. The Shared Keyword used does not exist in VB6 and can be removed. In .net it allows the function to be calleable without creating an instance of a class. The rest of the code should be fine. Cheers Nic Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Hideable Panel How could I go about adding an "image" the right border of my panel Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - incrementing rows after the one inserted in a DataGridview Dear Friend, I Have VS2003 and don't have DataGridView. I have DataGrid only. I have same problem with item Number column. So How can I use this code to solve my problem in VS2003. Can any one help me please Your help is most appreciated. Thanks in advance Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Mask: optional but no spaces. Number or numbers only textbox entry. ClaytonM wrote: You're almost there. e.Handled = True i did like If Char.IsWhiteSpace(e.KeyChar) Then e.Handled = True End If did i do right it didn't work. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - thread timers and garbage collection I have created and started a thread timer in the application event sub "myapplication_startup" using the following code: Dim TheThreadTimerStateObj As New ThreadTimerStateObj Dim TimerDelegate As New Threading.TimerCallback( AddressOf TheThreadTimerStateObj.ThreadTimerTask) TheThreadTimerStateObj.TimerReference = New System.Threading.Timer(TimerDelegate, TheThreadTimerStateObj, 5000, 5000) And here is the object definition: Public Class ThreadTimerStateObj Public TimerReference As System.Threading.Timer <irrelevant code not pictured> Public Sub ThreadTimerTask( ByVal ThreadTimerStateObj As Object ) <...bleah bleah...> End Sub End Class I stored a reference to the new System.Threading.Timer object (created by the 3rd line of code) within my ThreadTimerStateObj class so that the garbage collector wouldn't destroy the new timer after I exited the sub, and it seems to be working. THE QUESTION: Must I also save a reference somewhere to the new ThreadTimerStateObj object "TheThreadTimerStateObj" to prevent it from eventually being destroyed, or is a reference already being saved internally somehow when TheThreadTimerStateObj.ThreadTimerTask is passed as an argument to create the new System.Threading.Timer Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - WYSIWYG Editor... I want to implement a WYSIWYG editor into my program for allowing a user to use it as a notepad. Can anyone help me here Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Include .mdb file in the .exe I would suggest the following simple procedures. 1) Place your database file (mdb) in the application directory (bin or release depending on debug version). 2) Right click on your project in the Solution Explorer and choose add Existing Item. Locate your .mdb file and add it. 3) Change your connectionString to refere to your app directory . You can get your application directory by My.Application.Info.DirectoryPath Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Accessing Folder Properties how do i access XP/Vista folder prooperties so that i can change them. i want to do something like a catalog software to change icons so that they represent importance. can i also change the folder label like "My Documents" to like Red color Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Change icon in treeview control Hi Jay Vora, Thank you very much for your response! I am sorry that I forgot to mention the language. I am using C#. I am pretty new to C# and I don't know VB at all. I was wondering if you had a similar example for C#. Thanks again!!! Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Passing an Array of Strings to a C++ DLL using SAFEARRAY - HELP!!! Hi Rob, I'm glad that helped. Givent he results that you are seeing, it seems that the only issue left to resolve is making sure the width of the strings that you are sending to the DLL match. Can you try the following: Public Declare Ansi Function PassInStrings Lib "MyDLL.dll" Alias "PassInStrings" (ByVal idx As short, <MarshalAs(UnmanagedType.SafeArray, SafeArraySubType:=VarEnum.VT_BSTR)> ByRef lpStrArray() As String) as Integer or changing VT_BSTR to VT_LPSTR. Do note that there are different semantics involved for allocating and releasing the strings in memory so you really need to make sure that you are sending exactly what the C++ dll is expecting. Hope that helps, Tag: Visual Basic IDE Stacktrace tab gone Visual Basic
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    - Service issues Can you even display a MsgBox in a windows service Try writing something to a text file. Tag: Visual Basic IDE Stacktrace tab gone Visual Basic

BobInIndy

Using VS05 Pro SP1...

I have lost the stack trace tab that is at the bottom of the debug screen while debugging that shows you the stack strace when you hit a break point. I don't see how to make it re-appear. Any suggestions I don't see anything in the View option that would do it.

Also, how do you remove tabs from the bottom or right that you don't use I don't see anyway to remove them.

Thanks!

Bob

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Re: Visual Basic IDE Stacktrace tab gone

spotty

Debug -> Window -> Call Stack

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