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• VB.Net 2008 Chrome or Firefox control

  - by AndyD273

  I'm trying to figure out a way to have multiple sessions at the same website at the same time. I've been using the SHDocVw.InternetExplorer control in Visual Studio 2008 to open a web browser and log in, but at times we need to use a separate login. I haven't found a way to do this using just internet explorer (it just uses the credentials of the…

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• vb.net date format from textbox > MS SQL query

  - by Jonesy

  Hi folks, I have a date column in a DB tabel that I want to query using a date taken from textbox.text. the user selects a date from the calendar in the format dd/MM/yyyy. I want to use that date to put into a query. How do i format the date to be able to query the database? Dim datefrom As String =txtDateFrom.Text Dim dateto As String…

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• vb.net -- Using arraylist as key in dictionary

  - by Zahid

  Dim dct As New Dictionary(Of ArrayList, ArrayList) ' Populate Dictionary dct.Add(New ArrayList({"Dot", "0"}), New ArrayList({20, 30, 40, 50})) dct.Add(New ArrayList({"Dot", "1"}), New ArrayList({120, 130, 140, 150})) ' Search in dictionary Dim al As New ArrayList({"Dot", "2"}) If dct.ContainsKey(al) Then *' does not…

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• get length of data sent over network to TCPlistener/networkstream vb.net

  - by Jonathan.

  It seems the most obvious thing, but I just can't work out how to get the length of bytes sent over a network using a TCPClient and TCPListener? This is my code so far: 'Must listen on correct port- must be same as port client wants to connect on. Const portNumber As Integer = 9999 Dim tcpListener As New…

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• Please Help me to create a replace function in vb.net

  - by Rajesh Rolen- DotNet Developer

  Please Help me in creating a replace function. Problem: Their is a alfanumeric value of any lenght (string) and i want to replace its all characters with 'X' except right four characters Like : Value : 4111111111111111 Result Should be: XXXXXXXXXXXX1111 I have created a function but got stuck: …

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• how to change windowXP theme using vb.net2005

  - by Darshna Raghani

  I have tried the following code but has no effect: Imports system.Runtime.InteropServices <DllImport("UxTheme.DLL", BestFitMapping:=False, CallingConvention:=CallingConvention.Winapi, CharSet:=CharSet.Unicode, EntryPoint:="#65")> _ Shared Function SetSystemVisualStyle(ByVal pszFilename As String,…

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• VB.NET: Scrollbar "button"?

  - by Omega

  I plan on using a scrollbar for, well, scrolling an image. The image is 200x500, however, the only visible area is 200x250. So I set the max value to 250, and the min value to 0. The idea is that if I drag the scrollbar's button to the bottom, 250 pixels will have moved for the image, right? But wait, the…

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• Grouping a generic list via LINQ in VB.NET

  - by CD Smith

  I need to take a collection and group it via Linq but all the examples I've seen fail in some manner or other with some syntax difference that I can't quite lick. My collection: Dim a As New List(Of ProcessAlert) a.Add(New ProcessAlert("0000112367", "5551110000@txt.att.net", "Alert", 2)) a.Add(New…

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• trim last "," delimiter of a string in vb.net

  - by gerfe

  this is my code - With ad.Tables(2) For i As Integer = 0 To .Rows.Count - 1 If .Rows(i)("name") & "" <> "" Then temp &= .Rows(i)("name") & ", " End If Next End With …

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• redirect an event in VB.NET

  - by serhio

  I havea a UserControl1 (in witch I have an Label1) in Form1. I want to catch the MouseDown event from label and send it like from UserControl I do: Public Class UserControl1 Shadows Custom Event MouseDown As MouseEventHandler AddHandler(ByVal value As MouseEventHandler) AddHandler…

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• LINQ VB.NET variable not found when looping through grouped query

  - by Ed Sneller

  I'm trying to do the following LINQ grouping, which works in the debugger (the results are populated in the GroupedOrders object. But VS 2008 gives me the following error at design time... Name 'x' is not declared Dim GroupedOrders = (From m In thisConsultant.orders _ …

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• how to make the printer window appear using vb.net 2010

  - by Jeline Esase

  hi I have this code that will send my panel into a printer but the problem is it doesent let me choose which printer I will use any idea on how can I make the printer window appear? thanks Public Class Form1 Dim img As Bitmap Dim WithEvents pd As PrintDocument 'Returns the Form as a bitmap…

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• Undetermined type conversion in VB.NET 2008

  - by user337501

  I figured this would be a quick google, but extensive searching hasnt yielded any results. Everything about type conversion seems to dance around this concept. I want to get the type of variable "a", and make a new variable named "b" of that type. Otherwise I could have "a" as a type already…

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• ListView ToolTip only in First Cell - VB.NET

  - by Louise

  I'm adding a ToolTip to a ListViewItem. However, the ToolTip only shows up when the user hovers over the first cell in the row to which the ToolTip has been applied. MyListViewItem.ToolTipText = "Important Message" The only other code I have related to ToolTips is this: …

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• change the master page body color from different pages when they load in vb.net

  - by fered

  I have like 10 aspx pages (junior_class_students1.aspx-...10.aspx). They all have the same master page in the back (class_students.master). Everytime i load a page i want the master page background-color to change, to the one that i can specify per page. so…

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• adding swf alpha transparency in vb.net

  - by testkhan

  i have a windows form with shockwave flash object in it in shockwaveflashobject i have a swf animated logo with green background now i want to add transparency key for that green background. but the transparency key for that is not working how can i get rid…

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• error in mysql syntax in vb.net

  - by user225269

  I get this error, while I'm testing the code below: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '[student](ID, LASTNAME, FIRSTNAME, SCHOOL) VALUES ('333', 'aaa',…

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• VB.NET - Convert Unicode in one TB to Shift-JIS in another TB

  - by Yiu Korochko

  Trying to develop a text editor, I've got two textboxes, and a button below each one. When the button below textbox1 is pressed, it is supposed to convert the Unicode text (intended to be Japanese) to Shift-JIS. The reason why I am doing this is…

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• Upsert - Efficient Update or Insert in VB.Net, SQL Server

  - by HK1

  I'm trying to understand how to streamline the process of inserting a record if none exists or updating a record if it already exists. I'm not using stored procedures, although maybe that would be the most efficient way of doing this. The actual…

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• VB.NET 2.0 - StackOverflowException when using Thread Safe calls to Windows Forms Controls

  - by LamdaComplex

  I have a Windows Forms app that, unfortunately, must make calls to controls from a second thread. I've been using the thread-safe pattern described on the http://msdn.microsoft.com/en-us/library/ms171728.aspx. Which has worked great in the past. …

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• protecting software to run only on one computer in vb.net

  - by testkhan

  I have developed a small application and now i want to protect it. I want to run it only on my own computer and i have developed it for myself. How can i do that?

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• VB.net: Custom ' TODO: List on an Interface

  - by Shiftbit

  How do I add my own todo and comments list to appear on Interfaces? I want it to pop up like IDisposable does: Public Class Foo : Implements IDisposable Private disposedValue As Boolean = False ' To detect redundant calls '…

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• VB.NET Winform & UltraTree ?

  - by bochur1

  Can someone tell me how I can binding an Ultratree to a Bindingsource? Binding it to a dataset won't work for me since I need to be able to do filters on the data, something I have in the BindingSource but not in the Dataset.

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• how to reload windows a form without closing it using vb.net

  - by Selom

  hey guys, can u please tell me how i can reload a windows form without closing it.thanks

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• Detect whether adobe reader is installed using VB code

  - by Prianca

  hi i want to detect whether adobe reader is installed using VB6. Also if detected that its not installed what would be the best solution.

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