How To Get Proper IP Address
Apr 26, 2011
I am running a ASp.Net mvc app in localhost - dev server given with visual studio. I want to get the IP address. I tried
Request.UserHostAddress
and
Request.ServerVariables("REMOTE_ADDR")
In both cases, I am getting ::1 as the result. What is it? Why am I getting it? How can I get 127.0.0.1 or 192.168.1.xxx?
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Jul 6, 2011
Are there any IP Address filters or masks available in Windows Forms as per following screenshot? A backslash shouldn't be allowed or it should be filtered somehow.
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Aug 11, 2009
SocketException was Unhandled: Only one usage of each socket address (protocol/network address/port) is normally permitted I get this error every time i click collect a second time.
[Code]...
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Mar 8, 2009
Can anyone point me to some code which can help obtain the network address from the host IP and subnet mask?
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Aug 6, 2011
I made web browser which consist address bar that I use it to type addressess in it i.ewhen I type [URL] it opens [URL] but when I go to anther page in google it doesnot show it's link in address bar lix InterntExplorer or other international browsers so how to show any link or any sub page's link in my browser address bar ?
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Nov 27, 2009
I'm trying to use the DHCP API (using the references on pinvoke.net) to retrieve a computer's MAC address when given the IP address but I can't get the code to work. I've run all the C# code on pinvoke.net through the C#-to-VB converter but I'm stuck now.
Here's what I have so far. The value of res is always 5 (should be 0). Thing is, I can't find any documentation on what the return codes mean
vb
Private Sub GetMACDim client As String = "1.1.1.1" Dim server As String = "0.0.0.0" Dim si As New NativeMethods.DHCP_SEARCH_INFO si.SearchType = NativeMethods.DHCP_SEARCH_INFO_TYPE.DhcpClientIpAddress si.ClientIpAddress = Convert.ToUInt32(StringIPAddressToUint32(client)) Dim res As UInteger Dim oInfo As IntPtr
[code]....
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Jun 28, 2009
' Use Your work Group WinNT://&&&&(Work Group Name) Dim DomainEntry As New DirectoryEntry("WinNT://Wokgroup") DomainEntry.Children.SchemaFilte
[code].....
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Feb 9, 2011
In member register page, I added email address validation but it only check the email address format, such as .com, .net, .org.If user inputs fake account such as aaabbb01010@gmail.com, how to verify it and return an error?
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Nov 18, 2009
Whenever I work with applications involving database I have this habit of declaring a global variable that holds reference to a Connection object and keeps it open throughout the lifetime of the application and closes and disposes it accordingly at program exit.I've been doing this since my VB6 days and still doing it now in dotNET. I've read a lot of articles regarding this practice and most of them states that it has great impact on connection pooling. Does this also mean something when my application connects to a database file (i.e. MS Access, flat text files)? Is it true that the DataAdapter and Command objects open and close the connection?
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Mar 21, 2010
The problem I am experiencing has to do with using DataGridView.Member to access a BindingList.
My app has a UserControl called MaterialsControl, on it lives a DataGridView name dgvLineItems. Using the designer, I've set the DataSource for dgvLineItems to the MaterialsControl. MaterialsControl also has a "Items" Property. "Items" is a BindingList(Of LineItem). dgvLineItems.Member is set to "Items." The LineItem class implements INotifyPropertyChanged
Presently, when I add anything to Items, the DataGridView does not show any changes.Alternatively, when dgvLineItems.DataSource is set to Items (which to my knowledge can only be done manually), anything added to Items appears in the dgvLineItems.
Just for clarification, the DataGridView I'm using is for output primarily, the user will be able to delete values from the view, but not edit them. Insertion is done through an event handler.
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Sep 2, 2009
I'm working on some code that was developed by the previous developer of an application and I don't understand why he used a certain syntax for IndexOf().This is the code (MyString is just an example of the string being searched for): [code] I can't seem to find any documentation for this unless it's inside of a loop where the number after the comma is incremented.
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Mar 5, 2011
I use thrid party activex control/ dll/ocx file. I add them by using choose items and browse the desire file. When i deploy the application is that works?If not where i add these files which are use at any system where i install my application.
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Jun 8, 2010
I'm using VB.Net 2008 .NET 3.0.I am not sure of the proper,or best, way to use Settings and Resources. For now I use the default project wide My.Settings and My.Resources.I have a class that I would like to reuse in other projects, so adding project wide settings or resources in each project doesn't sound proper, nor does creating constants and variables within the class itself.
I'm guessing there is a way to give a class its own resource file, and maybe even settings file, but I'm not sure how to do it. I tried adding a resource file with the same name (but with .resx extension) and I got a weird error saying I was trying to edit a resource that is apart of another project. I continued, but it didn't seem to be what I wanted and I wasn't sure how to access that new resource.I'm not currently concerned with internationalization, but it wouldn't hurt to understand how that would affect what I'm trying to do.
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Feb 13, 2011
why vb 08 help are not getting in proper way. instead getting help for vb 2005 which is not compitable with vb 2008. i m user other vb 8 user must be facing similar problem
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Jul 7, 2010
I have data source and table that I can bind to my controls and datagridview. I can add records to data table and i can view on datagridview but I can't update and Delete records using datagrid. I have following code.[code]
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Aug 10, 2011
I have a process, that when you manually closing it. its closing another processs with him. but when you kill it, the process is still open..
i want to know how to Proper exit a process.
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May 6, 2010
When we create an inherited control then is the Designer still needed or not? Should usercontrols be disposable?What is the difference of using Base and Me when we are setting default properties of our usercontrols?[code]
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May 18, 2010
I am fixing up a visual basic program using visual studio 2005, specifically in visual basic. I am currently attempting to format the datagridview used to display data from a database. The values from the database being displayed are a mix of integers (used for displaying information such as number of units sold) and floating point values (used to display revenue, etc). I need to format all the values to display as integers (by simply truncating the decimal places, not rounding) as all (including the values that should already be integers which are appearing with two 0s following the decimal place). I have used the round function as follows round(value, 0, 1) which as I understand should get rid of all decimal places by simply truncating them, however I am still left with two 0s after the decimal place. Next, I went to the designer view and edited the columns property of the datagridview so that they are all set to be numeric with zero decimal places, yet the decimal still remains. I followed that by going back into the code and change any CType() that were decimal to Integer and still no change.
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Jan 20, 2012
i need to comfine 3 string after i need to split it my problem is the 3rd string inside contains ,(Comma) so how to seperate by comma
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Jun 18, 2009
Delegate Sub UpdateTextHandler(ByVal recbuffpass() As Integer)
Private Sub someSub()
Dim f As frmMain = My.Application.OpenForms("frmMain")
f.Invoke(New UpdateTextHandler(AddressOf f.UpdateTextMethod), New Object() {recbuf})
[code].....
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Oct 3, 2010
how to assign a static ip address and dns adress by VB2008?
I search in MSDN,use system.net.ipaddress??or something else?
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May 11, 2010
does anyone know how to get a computer's mac address with an IP address?
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Jun 1, 2011
My .NET project handles AJAX requests. There are no UI controls at all, it simply responds with text to every AJAX post.
This is my current structure:
<%
SynchLock DBNull.Value
Main
End SynchLock
[Code]...
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Apr 25, 2012
I have following code (obtained from online tutorial). The code is working but I suspect the way to dispose the Excel com object is somewhat not proper. Do we need really need to call GC.Collect? Or what is the best way to dispose this Excel com object?
Public Sub t1()
Dim oExcel As New Excel.Application
Dim oBook As Excel.Workbook = oExcel.Workbooks.Open(TextBox2.Text)[code]............
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Jun 15, 2009
I have a datareader reading Date feild from the CSV file as string. it retreives the first record as "03/06/2009" successfully. My system datetime format is dd/MM/yyyy when I insert these values to an access table it put 06/03/2009 i.e makes it 6th March 2009 instead of 3rd June 2009 and so on for the values upto 12th June....after that it starts treating the date monthly correctly..
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Oct 2, 2009
find the proper DLL with the OpenSqlFIlestream API objects so i can sue them in VBA/Access. trying to import either sqlnclient.dll or sqlncient10.dll both produce a "Can't add reference to the specified file." error. How do I get these objects into my environment so VBA recognizes and can use them?
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May 12, 2012
I have a DateTimePicker to display time (for example) as 05:00:00 AM or something like 07:00:00 PM. When I save my form's data, I'd like to save the time as 05:00:00 or 07:00:00, dropping the AM/PM extensions.
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Feb 23, 2011
I need to find a way to login to my router/ap with the proper credentials and read from a designated textbox from the router's page and then virtualy submit some input that I might enter in my program to go as like a textbox.
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Jun 22, 2010
As there is almost no documentation for this, I would like to know hot to properly use in VB NET 2008 the keep alive socket option.
Tried this: myTcpClient.Client.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.KeepAlive, 1)
but then the TCP does not connect any more, and how do I know when the connection brakes ?
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Apr 22, 2011
Anyone know the proper syntax for importing the VB6 Compatibility in .net?
Example:
Imports VB6 = Microsoft.VisualBasic.Compatibility.VB6
Doesn't seem to work anymore.
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