all groups > dotnet academic > december 2004
CreateInstranceAndUnwrap slow perfomance
Posted by Gnanaprakash Rathinam at 12/29/2004 5:57:47 PM
Hi Expert,
We are trying to create an object in secondary appdomain from default
appdomain using CreateInstanceAndUnwrap api, But this call seems to be
taking lot of time to return, I know the call involve loading of required
assembly of the class/type and create object of type and return the ... more >>
"Synchronized" wrapper
Posted by Gilles at 12/23/2004 8:47:07 AM
Some classes of .NET framework offer a "Synchronized" static function that
creates a thread-safe wrapper around the object.
example: public static Queue Synchronized(Queue queue)
What is puzzling me is that the returned object is of class Queue too...
It means wrapper is a derived class ... more >>
interfaces and diamond inheritance
Posted by Gilles at 12/23/2004 7:01:03 AM
When a class implements several interfaces, it may occur that a function with
the same name exists in two interfaces. A solution is provided: explicit
implementation of this method, that is, using the qualified name.
But what occurs when a class implements two interfaces deriving from a
com... more >>
com componets not working .net framework
Posted by kavitha reddy via .NET 247 at 12/22/2004 4:04:27 PM
my application which worked fine till few days back ,but today its giving me error saying "com object with CLSID {the no} is either not valid ot not registered".
can any one tell me solution to this.
thanks
--------------------------------
From: soni
-----------------------
Posted by a user ... more >>
Formatters other than those provided in .NET Framework
Posted by jamal NO[at]SPAM docUSA.com at 12/20/2004 10:53:40 PM
Does anybody know some useful formatters rather than SOAPFormatter and
BinaryFormatter which are provided in .NET Framework?
For example, BinaryCompactFormatter seems to be useful.
Thanks,
Jamal
... more >>
Just a Newbie
Posted by fightermage at 12/18/2004 11:37:01 PM
Hey everyone. I am just starting my first Visual C++ .NET programming class
in the end of January and want to get a head start in understanding this. I
am an old fashioned guy who used to program in Basic on a C64, so i am pretty
much dumb when it comes to C++. Is this the place i can go as i ... more >>
in bitween the page
Posted by srs at 12/17/2004 8:37:05 PM
Hi,
I have .NET web application written in C#.
I want to create a processing page ( may contain old fashion sand clock or
something like moving dots you may find in some airline website ) in bitween
the two page while waiting for query to return the result to display? Do I
need a micro med... more >>
Cant Get past wizard
Posted by Jurg at 12/16/2004 10:19:01 PM
Everytime i start visual studio, the first thing that comes up is a big gray
window that says "Please wait while wizard initializes." It does not
initialize. If i close the window, the whole program closes, and i cant click
anywhere else while it is up. Because of this i cant even find the pro... more >>
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Error when trying to Add Web Reference (Visual Studio .Net)
Posted by SrDhUS at 12/16/2004 4:03:03 AM
I get the following error when I try to add a web reference using Web
Reference Dialog (VS .Net 2003)
Error "The proxy settings on this computer are not configured correctly for
web discovery."
MSDN says:
"The proxy settings on this computer are not configured correctly for Web
discov... more >>
Get a type from a string
Posted by Erol at 12/15/2004 1:29:03 AM
How do I get a type from a string? I'm retrieving a string value from my
database so that I can set my property values dynamically. In the event
"Form1_Load", you will see that I'm trying to set the button's anchor
property to "System.Windows.Forms.AnchorStyles.Bottom" dynamically from a
str... more >>
System.Reflection question
Posted by Erol at 12/14/2004 12:47:06 AM
I have two code snipets, one in VB and the other in C#. Why does the visual
basic example not change the structure member "x", but the C# code does? I
need the visual basic code to work as I am a visual basic coder, but I don't
know what is wrong. Is there a bug in visual basic.net? Please hel... more >>
Executing VS.NET ERROR: Ms development environment has not been installed for the current user
Posted by Barry G. Sumpter at 12/8/2004 12:31:25 PM
Can get VS.Net to execute properly.
I'm not the only one having this prob.
The registry deletions don't work for me.
Any users of MVPs have a solution for this?
... more >>
Source Safe
Posted by jamie at 12/7/2004 6:14:29 PM
When I check out a project to another computer (laptop) under the same
logon, source safe does not give me adequate information that this is the
case. It is an unusual situation in that the project is checked out with
the same ID to a different computer (laptop when I travel, workstation when... more >>
DataGrid+Ado.net problem...
Posted by Surendra at 12/7/2004 5:39:04 AM
Hi to all techies,
I want to build DB application using Datagrid.
I written one function for this.
But it is giving error like on this line
"Dim cnNorthwind As SqlConnection = New SqlConnection(cString)"
"An unhandled exception of type 'System.ArgumentException' occurred in
system.data.dll... more >>
installing VS.NET 2003 Academic, trying to skip IIS
Posted by briforge at 12/6/2004 9:55:03 AM
I'm only interested in getting set up for Pocket PC development and don't
want the Web tools. When trying to install VS.Net 2003, I am stuck on the
first step because it says I don't have the prerequisites. It says I can
skip IIS and Frontpage extensions, but when I try to skip them it asks ... more >>
Possible TRY...CATCH...END TRY
Posted by Nay Myo Aung at 12/3/2004 10:36:16 PM
Hi All!
I think I discovered a possible improvement on .NET Framwork's
TRY...CATCH...END TRY statement. I guess most developers might also have
been discovered that at some point in their .NET development process but
continued to ignore the problem due to their workloads.
The word is RET... more >>
how can I change the datagrid row text color?? - Urgent!!!!!!!
Posted by Marcus VinÃcius M. Montezano at 12/2/2004 9:37:01 AM
Hi there!
I need to change the datagrid row text color, but I don't know how can I do
it?
Please, anything help are wellcome!
Marcus VinÃcius
... more >>
trouble with creating mulitple instances of a class
Posted by Chris at 12/1/2004 1:25:09 PM
I have a problem I can't get around. I am new to OOA/OOD/OOP.
I have created a class that will be an object for databases connections.
the class has a bunch of properties
sconnectstring = DFAppConnection.ConnectSQLServer(Me.txtdatabase.Text,
ConfigurationSettings.AppSettings.Item("CurrentDB... more >>
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