| Can't locate source of error: Object reference not set to an instance of an object (5 replies) |
| microsoft.public.dotnet.general |
| I have a TCPClient & TCPListener class that I need to stress test. Using a GUI, I built a class that would connect and send consecutive messages for 10 seconds, and log the the results in a richTextBox. Problem is that it runs for a couple seconds, then I get the following error, ending the program: An unhandled exception of type 'System.NullReferenceException' occurred in system.windows.forms.dll... |
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| How to disable resize of windows form (4 replies) |
| microsoft.public.dotnet.general |
| as topic.. i disabled the maximize box but the user still can resize the form using mouse when running... how to disable that? |
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| Performace Counters - AveTimer32 (4 replies) |
| microsoft.public.dotnet.general |
| OK, I hope this is the correct place to post a question and get an answer from Microsoft. I am a MSDN Universal subscriber. Anyway, the problem I am having is creating a Performance Counter that times something. What I want to do is time the how long a function takes in my ServicedComponent class. I have figured out how to count the number of calls and the number of calls per second. That is prett... |
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| Performance difference (2 replies) |
| microsoft.public.dotnet.general |
| Is there any performance difference between a public method and a private method? Or the difference is just the scope? Thanks Aaron |
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| ASPX not compiling (3 replies) |
| microsoft.public.dotnet.general |
| I run VB.net standard edition. When I try to build any type of Web Application I have two problems. 1) The debugger does not work. 2) If I ignore the debugger and just build the project it seems the aspx form is not going thru the compile process. This is what I've tried. a.. I look in the IIS snap in and find my web application b.. From there I browse the web page ( webform1.aspx) What is display... |
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| Access Denied (4 replies, VIP) |
| microsoft.public.dotnet.general |
| Hi I am having trouble with the following. With VS 2003, I select the Server Explorer. Within the Server Explorer I have registered all my computers on the network (3 in total). When I try and expand the options e.g Event Log I get access denied on one computer only, the other works OK. The same thing happens for the other options. If I try and access the server database on the machine, using Wind... |
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| Some Event problems about HTMLInputElementClass (3 replies) |
| microsoft.public.dotnet.general |
| Hi, I use Microsoft.mshtml.dll(wrapper class for mshtml.dll) to create a input type text object in a html document. It seems that click event is OK. but some events like blur, keyup and down, and focus don't be invoked correctly if registered. in addition, I can't hilight contents in input type text object. Could anybody solve it or tell me your experience? Thanks in advance Vince |
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| C# Plug-In's Question (2 replies) |
| microsoft.public.dotnet.general |
| Does anyone know of a good article on how to develop an application that allows for plug in capabilities? I am looking for a good design on how to? Thanks, David P. |
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| Comm port (2 replies) |
| microsoft.public.dotnet.general |
| Hi there, anyone knows how it's possible to use "old" com ports in .NET? I think is not advisable register and use "old VB6" MSCOMM32.OCX, and I'd not found any class performing open, close, set, raise event, input and so on... I have to write it by myself? And if yes, starting from where? Thanks, Maurizio |
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| How to list all installed data sources? (2 replies) |
| microsoft.public.dotnet.general |
| I'm writing a program that allows users to import their data into our system. The data can come from any datasource installed on the users PC, eg Access, Excel, SQL, Text Files, etc.. Is there a way to get a list of all the installed data sources? I'd like to be able to provide a list like the one used in DTS (Sql2000). Is this possible? |
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| question regarding C#. (4 replies, VIP) |
| microsoft.public.dotnet.general |
| Hi I have class named Property: enum PropertyType { text, numeric } class Property { string stringValue; long numericValue; PropertyType type; } and a collection of properties,in the example the collection hold two properties a Url which is string type,and Size which is long type I would like to be able to do something like the following string Value1 Properties["Url"].value //this should return a... |
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| Question about WriteEntry... (2 replies) |
| microsoft.public.dotnet.general |
| I noticed that when I write an entry into the Windows event log using one of the various overloaded WriteEntry methods I always get the following text below my description: For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. I don't want to send my users to the MS website.... I have seen applications that have been able to put thier own links there, but ... |
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| New Google group - Visual Studio Express (3 replies) |
| microsoft.public.dotnet.general |
| A new Google group has been formed for the purpose of discussing the new Visual Studio Express products. http://groups beta.google.com/group/Visual Studio Express The products are currently in beta testing and include Visual Basic 2005 Express, Visual C# 2005 Express, Visual C 2005 Express, Visual C 2005 Express, Visual J# 2005 Express, Visual Web Dev 2005 Express and SQL Server 2005 Express. They... |
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| Manually Execute Method (2 replies) |
| microsoft.public.dotnet.general |
| Using VS.NET 2003... How can I manually execute a static method in a static class from the IDE. Thanks! |
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| how to activate an application (2 replies) |
| microsoft.public.dotnet.general |
| Hi, can please MS answer this question: Is there any way for an desktop application to make it the active application ( the window is highlighted and in front) ? Or is there any way for an application to force another application to be the active application? I'm developing av desktop application using VB.NET with Windows 200 SP4 as runtime environment. There is a main application that starts a 2n... |
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| ASP.Net TAPI Programming (5 replies, VIP) |
| microsoft.public.dotnet.general |
| I come to know that TAPI programming can be done using ASP.Net with the help of Interop.Can anyone please explain what is Interop?. |
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| VB.Net 2003 Standard Edition/ActiveX (4 replies, VIP) |
| microsoft.public.dotnet.general |
| I need to create an ActiveX control for a web page. I currently don't have any version of Visual Basic. Does the VB.Net 2003 Standard Edition allow you to create ActiveX controls? If so, does it also allow you to sign them to prevent security warnings? One last question, if it does allow you to create ActiveX controls, does each client need the .Net runtime? I'm trying to decide if I should buy VB... |
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| Remote computer name (3 replies, VIP) |
| microsoft.public.dotnet.general |
| Does anyone know how to get the name of a remote computer from its ip address. I already have the computers ip address now I would like its computer name. Thanks! |
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| Moving web based apps (4 replies, VIP) |
| microsoft.public.dotnet.general |
| I am supporting a web based application written by another on a different machine on a different OS. (2000 Vs XP Pro). I have created the same directory name under the wwwroot as I know it was originaly created under, but when I try to open the solution I get: The Project project name requires Policy Management. PLease open this project in VS .NET Enterprise Devweloper or Enterprise Architect. I h... |
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| please advice: send a bounch of emails with .net (3 replies, VIP) |
| microsoft.public.dotnet.general |
| if I want to send many many emails at one time,like 100,000 emails,how technology is the best way to do like that on the dotnet framework? CDO or smtp? thanks. |
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| Attributes in a Datatable (2 replies, VIP) |
| microsoft.public.dotnet.general |
| I have a DataTable with several DataColumns. I added a column to the table. The column I added needs to be an attribute of one of the other columns when I call WriteXML(). Right Now I get the following: MyTable newcol "0" Col1 /Col1 Col2 /Col2 /MyTable I would like the output to be: MyTable Col1 newcol "0" /Col1 Col2 /Col2 /MyTable Can anyone tell me if this is possible? Thanks. |
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| read xml file to dataset (4 replies, VIP) |
| microsoft.public.dotnet.general |
| how can i read xml file to dataSet? this is what i have written so far dim db1 as database db1 new dataBase db1.readXmlSchema("fileName.xsd") db1.readXml("fileName.xml") what am i missing?? thanks in advanced!! |
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| Reflecting Factory Interfaces across Assemblies (4 replies, VIP) |
| microsoft.public.dotnet.general |
| This is a technically challenging question but it would help me significantly if anyone can answer it. In essence I have the following: A factory class, which can create producer classes which inherit an interface (standard factory design pattern). I would like to make this more versatile and do the following: I would like to be able to specify the producer classes in a config file and then call t... |
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| Framework 1.0 vs 1.1 (2 replies) |
| microsoft.public.dotnet.general |
| Is there anywhere I can go to look at the differences between these versions. I have a lot of books on .NET that are based on the initial version and I'd like to know if I am wasting my time reading them or if I should get new books. |
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| Dataset changes reset (2 replies, VIP) |
| microsoft.public.dotnet.general |
| Hey all, Is there a way/.method to discard all changes made to the current dataset and reload to datagrid? thanks, rodchar |
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