ASP.NET 3.5 WebSite Stopped Importing System Namespace By Default
Apr 13, 2010
I have a VB Web Site project that has recently (and mysteriously) stopped importing the "System" namespace by default.
I'm having to either place an Imports System line at the top of each code behind, or preface everything with System, which is fairly annoying, not to mention redundant. I can't for the life of me figure out how to get the System namespace back to being imported by default.
I've already checked to see that WINDOWSMicrosoft.NETFrameworkv2.0.50727CONFIGweb.config contains the <add namespace="System"/> line--it does. That was my best lead.
I have references to several namespaces within the System namespace in the <assemblies> node (e.g. System.Design, System.Web.Extensions of my website's web.config. There is no <namespaces> node. This has not been changed recently.
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Mar 3, 2011
Where is directoryentry, directorysearcher, searchscope, etc.?
.NET 4.0, VS2010 Professional
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Sep 16, 2011
In VB, when we adding a new references - in my case web references -, it simply type namespace followed by the class name to make a new object.For example:
Dim obj As NamespaceName.ClassName = New NamespaceName.ClassName
Then I apply this concept in C#. So my code will be:
NamespaceName.ClassName obj = new NamespaceName.ClassName
...and it doesn't work.Actually, is there any difference about Importing Namespace between those two?And also can you give me a little explanation about Project-Wide Default Namespace Imports in VB?
UPDATE:My point is why "In C#, When I've typed NamespaceName, the ClassName was not listed in the Intellisense?".However, it did well in VB, do I have to import something?Maybe, there is something to do with the term "Project-Wide Default Namespace Imports". (CMIIW)
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Apr 10, 2010
The type or namespace name 'Messaging' does not exist in the namespace 'System' (are you missing an assembly reference?)
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Nov 16, 2011
This class is located in the namespace Acme.Infrastructure.Interface.A class with the same name EventArgs exists in the System namespace.In another project in my solution I have a class Acme.BusinessModules.MyModule.MyClass.When attempting to use the EventArgs class I have to fully qualify the class name or the compiler thinks I am using the System.EventArgs class.My understanding of namespace resolution was that the compiler would first look for the class in the current namespace, and then its parents. It seems that the compiler checks in System before it checks in sibling namespaces. Is it correct that System is checked before the sibling? Or is this behaviour caused by other issues (Imports order?)?
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Jul 27, 2009
I'm working on small project for my site... basicly we have over 600 memembers.. and every day new member registers as we can keep of track of all the new members we would like to do the following
By CLicking Button Importing members.php list in to our program so we can see all the new members that have registerd
This is good for our modirator so they can keep an eye out on new members
SO basicly
I click button and my program grabs my user list from my website and puts it in my list box ( but program will have to go to page 2 then 3 and so on and so on )
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Aug 11, 2011
I would use the System.Linq.Dynamic. I added the specified Dynamic.vb file, that starts like this:
[Code]...
to my (VB.NET)solution. Now Visual Studio does not recognize anymore in the project files the System.XXX references, proposing me to change them to Global.System.XXX
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Jun 17, 2010
I am trying to copy a sql database into a vb.net application however it is not maintaining the default values when I do this. Is it possible to import the default values and have them automatically assigned when creating a new row or do I have to manually assign the default values again in my code?
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Jan 14, 2011
I've wrote a class library in vb. it only has a class called MathEx. Now when i add a reference to a test project, i had to refer to the class as MathEx.MathEx is there anyway i could refer to the class as simply MathEx? (in other words i do not wish to have the default namespace added to my class libraries)
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Feb 5, 2010
I have an XElement that I need to create via dynamic xml literals/embedded expressions and I need it to inherit the default namespace. This doesn't appear possible though through everything I've tried. how to make this work?
For example
Imports <xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
Sub CreateXAML()
Dim obj = "Rectangle"
[Code]....
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Dec 5, 2009
Is that possible to create a class in vb.net that is not in the default namespace of the project?
for example, say you have a project call sample1, then automatially IDE will have everything default to the Sample1 as your namespace root rather than under global, which is find for most case.but I want to create some classes that is directly under global namespace
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Aug 6, 2010
I have a VB file that imports System.IO, but only uses it is a couple of places.My co-workers and I were wondering if there is a small performance boost if we just use System.IO explicitly were we need it (IE., System.IO.MemoryStream) instead of importing it.
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Feb 24, 2012
I import txt file and export into datagridview, because too many data need to export, the application may hag for few seconds. So, how can i do in orer to show a msg(using label1) n disable button2 before finish exporting... Can i use timer to do this, but i dont know how to let system know the datagrdview has been importing data n when end?
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Jul 10, 2009
how can i import system.data.sqlclient globally?
instead of typing system.data.sqlclient in everypage.. i want is to type it once and all pages has now the namespace of the system.data.sqlclient...
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Apr 5, 2010
I want to define WebControls from VB code. I add a reference to System.Web.dll and I use VS2005. My code below gives me the errors:ype 'RadioButtonList' is not defined.Type 'UpdatePanel' is not defined.
Imports System.Web
Dim radiobtnlist As RadioButtonList
[code].....
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Jun 23, 2009
My app downloads multiple files, and its limited to 2 connections. Now I've read you can change this, by adding the following in the app.config file:
CODE:
And that does work, however I would like to hardcode it in, rather than use app.config file.
I've tried (importing System.Net.Configuration):
CODE:
But that doesn't work, still stays limited to 2 connections total.
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Jan 13, 2011
I have been given the task of calling a web service which returns an xml data feed which I am doing like so;
For Each r As DataRow in SomeDataTable
Dim msFeed As String = string.format("http://some-feed.com?param={0}", r!SOME_VAL)
Dim x
[code].....
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Aug 19, 2010
I have a few syncing routines that I'd like to use for FTP uploads. However they all use the functions in the IO namespace, and I was wondering whether I could use it to access distant files stored on an FTP server.
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Apr 20, 2010
Im building a little program to automate downloading of orders for work but having a few problems.One of the pages has 2 Radio buttons on it, One says "download all" and the other "Download orders for selected dates"Now the radio button i can select fine, It goes to the "download orders for selected dates" one nicely but im having trouble putting the dates in on its own.
The "to" date is ok as it will always be the sate you run the program on so have used the "today.date" string and it puts this in ok. But with the from field i need to be able to select this.
I am using a datetime picker box on my form and can get it to put in the date in the box on the website, But to do this i have to click on the datetimepicker and click on the date, It doesnt already select this.
I would like it so i select the date first and then click my Login button, It goes off to the website and fills in all the details and then the next popup i get is where to save the file.So is there a way for the date time picker to put the current selected date in automatically?
[Code]...
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May 10, 2011
While I am trying to load my project, I've got some errors like the following[code]...
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Oct 26, 2008
I am using VS 2008 but am having problems getting the namespace system.xml.linq to be recognized. I am attempting to add the reference but I don't seem to be be allow to select it.System.XML.Linq is grayed out in the AddReference menu. What must I do to add this reference to my project?
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Mar 26, 2009
I would like to discover the system.threading namespace. I look in the References -> Add -> .Net(tab) to add a reference to my project, but it is not listed in the .net references. I work with framework 3.5 service pack 1. How can I install this namespace?
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Feb 21, 2012
I got 11 errors in my VB program. All the errors look similar: X is ambiguous in the namespace Y
Error line: Imports System.Net.Sockets
Imports System.Text
Module Module1
Sub Main()
Dim serverSocket As New TcpListener(System.Net.IPAddress.Parse("192.168.1.100"), 8888)
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Jul 31, 2009
I am fresher in vb.net but I want to develop a project in this case I want to use the system.Configuration namespace's specific calsses. But I am not clear which class i use and why it's function and it's use.
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May 31, 2009
How would I use this for a chat client? I'm not sure where to even start and the internet is helping me find much about it.
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Aug 19, 2010
I am trying to get this: System.Deployment.Application.ApplicationDeployment.CurrentDeployment.IsFirstRun.But the application namespace is not there. I just see System.Deployment.Internal. The object browser, however, shows me all the properties and methods of that namespace, but my app can't see it.?
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Feb 20, 2010
Me need use MultiLineStringEditor Class from System.Design namespace.I add reference as file (as in the .NET tab, it no) from
c:Program FilesReference AssembliesMicrosoftFramework.NETFrameworkv4.0System.Design.dll
and Visual Studio show in References
System.Design.dll
.NET
0.0.0.0
False
<The system cannot find the reference specified>
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Dec 17, 2009
I can't import the System.DirectoryServices namespace. It doesn't pop up if that little box thing.Why?
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Nov 3, 2008
The problem is yahoo changed there login URL Structure. I have placed a peice of the code below.
Dim LoginPacket As String
LoginPacket = "GET http://login.yahoo.com/config?&login=" & txtLEmail.Text & "&passwd=" & strPass.Trim & " HTTP/1.0" & vbCrLf
LoginPacket = LoginPacket & "Accept: */*" & vbCrLf
[code]....
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Feb 3, 2012
I'm using SharpDevelop and .NET 4.0.
My question is this: If you start a new project with a "Windows Application" template, it generates a Program.vb with the following contents[code]...
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