Check A Specific Listviewitem?

Jun 25, 2009

How would I go about referring to specific listview items directly.

Under certain circumstances I want to check a specific listviewitem, but i can't seem to refer to the specific item of the listview...

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Search Data From Database With Some Check Box And Text Box When User Select Check Box Specific Function

Dec 15, 2011

My application is like this : i have to search my data from database with some check box and text box when user select check box specific function go on and then when user enters some range of value in textbox then the result will shown in data grid view after that i can print it by selecting data
my vb.net code is as follow:

Imports System.Data
Imports System.Data.SqlClient

Public Class XtraForm1

[CODE]............

I m also pasting the demo picture.

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Check Specific Pixels In A Picturebox To Check The Color?

Jan 17, 2010

Is there a way to check specific pixels in a picturebox to check the color? Basically what I have is a black square with some white dots, and I want to find the position's in the picture of the white dots.

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Check For Specific Value Of A String

Sep 16, 2009

any method that can check for specific value of a string whether it exists in the string and if it does then that whole string will be captured with that specific text.

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Check If Dataset Contains A Specific Value?

Sep 30, 2010

How can i check if a dataset contains a specific value?

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Check To See That A Specific Network Is Available?

Dec 22, 2009

I'm writing an application that will be used in a mobile environment where network connectivity will be up/down regularly. How do I check to see that a specific network is available?

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How To Check For A Specific DateTime

Jul 23, 2010

i need to check for a specific DateTime value in my table from my code (VB.NET) and i don't know how to format the DateTime as a string. i've read that SQL Server will recognize my string if it's in either date, time, or date and time format. i mean:

'May 15, 2004'
'5/15/2004'
'20040515'

[code]......

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Check For Instance Of A Specific Exe(s) Already Running?

May 10, 2011

I'm wanting to add a some extra code within my application. My app is a single form that sets some environment variables before calling a one of two possible 3rd party executables to run. I have set via regedit the file association for files to open via my app but what I want to do is have my app check to see if either 3rd party app is already running. In short I'm trying to ensure either 3rd party app stays as a single instance.

If a user were to try an open another instance: 1) my application should simply terminate (no warnings, no msg boxes etc...) 2)the file that the user was trying to open should open within the existing instance of the 3rd party application. The problem is I don't quite know how to achieve both parts I imagine that this 'instance check' should happen as the first bit of code so that if no instance of either 3rd party app is found, then proceed with rest of my application. I have tested using some lines of code at the top of Sub New(). Here's what I have so far for checking for both 3rd party applications:

Public Sub New()
If IsProcessRunning("ustation") = True Then
Me.Close()

[code]....

This gives me an error when I debug (Cannot access a disposed object)

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Check If There Is A File With Specific Extension?

Jan 30, 2012

I tried this code but I don't know how to complete it. the code is to check if there is a file with extension ".mdb" in folder Debug in my project, and if there is a file it will get the name of it.

MsgBox(IO.File.Exists(IO.Path.HasExtension(Application.StartupPath)))

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How To Check For Specific Syntax And Functions

Jun 7, 2011

I want to be able to check VB code for VB-specific items (for example, vbCrLf instead of ControlChars.CrLF). Is there anything (tool, VS setting or plug-in, etc.) that will check VB code for these?

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How To Check If Theres A Specific Char Within A String

Nov 10, 2008

my question is how can i check a string for a specific char (for example, in the string:"242.421" theres the char "." how can i make a rule so that char can only be typed once... (in a textbox) so when a user click the "." button on their keyboard it won't allow it again (more than once)

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VS 2008 Check For A Specific Window?

Jan 12, 2010

my application i call a COM API that open's a dialog window that the user has to put some strings, what i'm trying to do it's before calling the method of the api, i create some service/background worker that checks for that dialog, and when the dialog shows up, fill all the fields...

It's possible to do somehting like this?

VB.NET

mySubThatWillWait("WindowName") 'To stay running until finding the window and fill the fields
Dim result as long = MyComCall.Run(Me.Handle) 'Call the Method

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Check Box That The Use Checks To Indicate That A Specific Situation Is Present

Jan 26, 2012

I have a Check Box that the use checks to indicate that a specific situation is present. When the User checks the box he gets a Message Box reminding him that the condition must be fulfilled. This works fine and the database reflectthe fact that the Check Box is filled.

At a later date, if the user calls this record and fills the form, the Check Box is triggered and the message Box appears in the middle of the form fill operation.

Is there a way to prevent this from happening. I want the Check Box checked but don't want the message box if the change is triggered by the fill process.

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Check For Specific Words/phrase In A Textbox?

Dec 26, 2009

I need to check for specific words so that the program will know what smtp client will be used. For example. If the from textbox will have @yahoo.com on it then the program will make use of the smtp for yahoo.

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Check What Specific Part Of A PictureBox Was Clicked?

Sep 24, 2011

Let's say I have a PictureBox with an image of a house, for example, and I want to know if the user clicked on the roof, the door, the window, or the walls.

Is there some way to, maybe, set up an If statement so that it checks what the coordinates of the mouse click was and compares it to a set of pre-determined graphed points to decide what object was clicked?[code]....

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VS 2010 Check If A Specific Port Is Open?

Jul 13, 2010

I want to check if a specific TCP Port of an IP address is open.

How can I realise that?

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.net - Check That Extension Methods On An Array Got A Specific Size?

May 30, 2012

I'm using extension methods based on an array and I would like to know if there is an easy way to check that array got a specify size instead of me doing a copy paste of

if array.count != 1000
throw new exception "size of the array does not match"
in about ~50 extensions

this a small sample of extensions that I use, I got WAY more

<Extension()>
Public Function IsWhite(ByVal board() As bitPiece, ByVal pos As Integer) As Boolean
Return (board(pos) And bitPiece.White) = bitPiece.White
End Function

[code]....

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Check If A Login Has Write Permission On A Specific Folder?

May 17, 2012

I am using impersonate user to copy files form one location to other.

Only impersonate user will have write permission on the destination folder.

But i want to check before if that user has write permission before i copy file.

Currently i could able to get it using try catch exception, for that i need to perform the copy file process

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Forms :: How To Check Specific Items In CheckListBox At Load

Jun 18, 2009

I have multiple items in a checklistbox. In the page load, I'm trying to check specific items in the list (2,4,8)

I've tried cbl1.items.Item(2).checked, and different combinations of this and I can't get anything to work.

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HTML Parsing - Check If Element Has Specific Attribute?

Dec 25, 2010

I'm using HtmlAgilityPack to parse HTML. I want to check if an element has a specific attribute. I want to check whether an <a> tag has the href attribute.

Dim doc As HtmlDocument = New HtmlDocument()
doc.Load(New StringReader(content))
Dim root As HtmlNode = doc.DocumentNode
Dim anchorTags As New List(Of String)
For Each link As HtmlNode In root.SelectNodes("//a")
If link.HasAttributes("href") Then doSomething() 'this doesn't work because hasAttributes only checks whether an element has attributes or not
Next

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Performing Like Statement In For Each Loop To Check For Specific Item

Jun 17, 2011

Is it possible to define my list of strings like in 'good old' VB60, to use only on ebyte of memory for each character? .NET always seems to store any string as unicode, which doubles the required memory. The case is that I have a huge list of strings, all of the same size. It is about 50.000.000 items, 12 characters each. You can imagine I am running out of memory in no time. I tried converting them to arrays-of-bytes but in that case I loose the possibility to perform a "LIKE" statement in a FOR-EACH loop to check for a specific item.

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Check If An Impersonate Login Has Write Permission On A Specific Folder?

May 17, 2012

I am using impersonate user to copy files form one location to other.Only impersonate user will have write permission on the destination folder.But i want to check before if that user has write permission before i copy file.Currently i could able to get it using try catch exception, for that i need to perform the copy file process.

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Read From XML File To Specific Form Control Text And Check Boxes?

Nov 18, 2010

Dealing with reading from an XML file, stuctured similar to the following:

[Code]...

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Check A Pop3 Email Inbox And Only Download A Certain Message With A Specific Subject Line

Feb 3, 2009

I need to know how I can use VB2008 to check a pop3 email inbox and only download a certain message with a specific subject line.I have looked and looked and cant seem to find anything.

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How To Clone Listviewitem

May 3, 2012

on cloning a selected listviewitem from listview1 when a button is clicked to listview2. How do I achieve this? Here is the code I have but does not work exactly how I want it, it just makes a clone of all the listviewitems in listview1.

foreach (ListViewItem item in this.listView1.Items)
this.listView2.Items.Add((ListViewItem)item.Clone());

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Add Listviewitem In Thread & Class

Aug 30, 2011

I want to start a thread, which handles a class.That class should add a listviewitem into a listview on the main form.[code]No idea why that doesn't work.I really need threading, cause it would block the program.These codes are examples, the real one is with loops & stuff, so that blocks the program.

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Adding ListViewItem To Another Listview?

May 2, 2012

Trying to figure out how to take a selected listviewitem and when a button is clicked add it to another listview.

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Associate A Key With An Index For A Listviewitem?

Dec 2, 2004

I am trying to find a way to associate a key with an index for a Listviewitem in VB.Net. I'm not even sure if it can be done with .Net but I know in VB6 I could do a

Listview.listitem.add "somestring", "somestring".

For the application I am using this in, I cannot have duplicate item.text so I would make the key the same as the string. this also made accessing the item easier since I didn't have to rely on index to update the subitems.

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ListViewItem's Text Overlaps?

Apr 9, 2009

I have a ListView, wich its View property is set to LargeIcon and there isn't any ImageList attached to it.The thing is that ListViewItem's text overlaps next ListViewItem's text. With View set to Tile I have no problem at all, but It shows the items one below another.When I add columns header,I set their width to a large number,but it seems that ListViewItem doesn't care,I get the same mentioned effect.My question is wich property do I have to change to avoid ListViewItem's text overlapping?

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Select A ListViewItem In A ListView By API

Mar 1, 2009

Here is my problem, I have been learning about SendMessage and getting the Handles of Windows. In the following code example I show that I can get the number of Items in a ListView Control by API, but I have no idea of how to select an Item within the Control, ListView; in other words, how to select a ListViewItem:

[Code]...

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