|
Can I remote an abstract class with remoting feature of C#.
|
|
|
|
|
|
|
Hey Everyone,
I am new to C#. I am writing a small application. This application will read a method name from a flat file. Then call the method in another class library with the same name as the one read.
Example, I have a method "add" in the flat file. and the other library is "Math", then my aplpication should call "Math.add", the other library may change and so the flat file.
This is something similar to dlsym that I used in my c/c++ programs on unix. Can something similar be done here.
Thanks in advance,
Regards,
JItesh
|
|
|
|
|
|
Hey thanks Daniel.
Regards,
Jitesh
|
|
|
|
|
Hi , Please I need help as soon as possible
how can I add CheckBox Column to a dataGrid without mapping it to the dataset
I want to retrieve a column from the dataset and beside him a Checkbox Column
that he checks then I want to retrive the checked records according to the first column...
Thanks So Much
Really I need it quickly..
|
|
|
|
|
|
Thanks A lot
but I'm so sorry , I didn't mention that I need a dataGrid of Windows Forms ,not web forms...any how thanx for help if u still know the answer , please reply me.
Thank you again.
|
|
|
|
|
|
I create a web service with an DelItem() method to delete a record of a table in SQL2000 database via a store procedure.
It works correctly itself but when i call it in my web application an error (UNAUTHORIZED) occurs.
Whats the problem?
---------------------------------------------
Exception Details: System.Net.WebException: The request failed with HTTP status 401: Unauthorized.
Source Error:
Line 59: [System.Web.Services.Protocols.SoapDocumentMethodAttribute("http://localhost/webservice/wsns/delitem",RequestNamespace="http://localhost/webservice/wsns",ResponseNamespace="http://localhost/webservice/wsns",Use=System.Web.Services.Description.SoapBindingUse.Literal,ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
Line 60: public string delitem(short code) {
Line 61: object[] results = this.Invoke("delitem", new object[] {
Line 62: code});
Line 63: return ((string)(results[0]));
Source File: D:\Inetpub\wwwroot\WebApplication\Web References\localhost\Reference.cs
Line: 61
------------------------------------
thanks alot
|
|
|
|
|
Your webservice needs authentication and your client application failed to provide credentials.
On the web services client, set the Credentials property to some valid credentials, e.g., CredentialCache.DefaultCredentials.
Yes, even I am blogging now!
|
|
|
|
|
Or change the web service to allow anonymous acces. This can be done from
Administrative Tools | Internet Information Serives. Then right clicking and select Properties on web site. Click the "Directory Security" tab and then the top "Edit" button. From the here select the "Anonymous access" check box.
Real simple, eh?
Cheers,
Richard Schneider
|
|
|
|
|
hello i have a foreach loop that loops through each char in a string what i am wondering tho is how would i advance to the next char within the foreach loop without losing my current place within the string
|
|
|
|
|
You will have to use a for loop.. something like:
string str = "this is a test";<br />
<br />
for (int i = 0; i < str.Length; i++)<br />
{<br />
char currentChar = str[i];<br />
MessageBox.Show("Current Character = " + currentChar.ToString() + "\n\nCurrent Position = " + i.ToString());
Dan
|
|
|
|
|
i know what a for loop is i was just hoping there was someway to peek at the next char in a foreach and advance the loop when i needed to for ease i guess
|
|
|
|
|
Please refer to the code...hope u get some clue:
string temp = "ABCDEFGHIJ";
System.Diagnostics.Debug.WriteLine("for loop output");
for(int i = 0; i < temp.Length; i++)
{
char c = temp[i];
System.Diagnostics.Debug.WriteLine(i + " place char = "+ c);
}
System.Diagnostics.Debug.WriteLine("foreach loop output");
int j = 0;
foreach(char c in temp)
{
System.Diagnostics.Debug.WriteLine(j + " place char = "+ c);
j++;
}
|
|
|
|
|
I need a solution for reducing or removing the flicker in the user controls (some controls I made) ... I'm seeking an effectient way; so please if anyone know how to do it, please tell me ...
NOTE : I have already used the DoubleBuffer Style and still got some sort of flicker ... The controls are drawn from A to Z so it continue flickering and flickering ...
Thanks for your time ....
|
|
|
|
|
For the control's painting have you used Graphics from PaintEventArgs ?.
like for form Paining.....same as below code.
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.DrawString("Happy X-Mas", this.Font, Brushes.Blue, 0,0);
}
Note: If you DONOT use Graphics from PaintEventArgs , there will always reamin flickering, I had the similar problem once, I solved it using the above approach.
|
|
|
|
|
I'm using the graphics supplied as a parameter in the OnPaint ; What really makes the control filkering more and more, is its nature as a container (such as the panel), When the control is drawn without any children controls, it works very good but when adding the children controls, it starts flickering in an unacceptable fashion ... Thanks for helping but I stell need some more IDEAS ...
|
|
|
|
|
This is the piece of code in Early Binding and works as expected.
---------------------------------------------------------------------------
using
ControlLicenseService LicenseInfoClient lic =new ControlLicenseService LicenseInfoClient();
lic.Initialize("sk26901CODA904O",10300);
if (lic.IsSuccess )
{
MessageBox.Show("Success");
}
else
MessageBox.Show("Failure");
This is my code in Late binding:
------------------------------------
Assembly asm = null;
Type PublishType = null;
try
{
string strPath = GetInstalledPath();
asm = Assembly.LoadFrom ("c:\\somefile.dll");
PublishType = asm.GetType("ControlLicenseService.LicenseInfoClient");
Object theObj = Activator.CreateInstance(PublishType);
// Array with Two members for passing the Parameter for Initialize method.
Type[] paramTypes = new Type[2];
paramTypes[0]= Type.GetType("System.String");
paramTypes[1]= Type.GetType("System.Int32");
// Get method info for Initialize( )
MethodInfo InitializeInfo =
PublishType.GetMethod("Initialize",paramTypes);
// Fill the array with the actual parameters
Object[] parameters = new Object[2];
parameters[0] = "sk26901CODA904O";
parameters[1] = 10300;
InitializeInfo.Invoke(theObj,parameters);
PropertyInfo pi = PublishType.GetProperty("IsSuccess");
string valu = pi.GetValue(theObj,null).ToString();
MessageBox.Show(valu);
}
Does there are any exceptions in reflections? What I found thru debugging was the parameters are setting properly n the late binding but the method is not invoked properly or it fails in the method.
Any idea ? or is the code wrong?
|
|
|
|
|
Sometimes I can associate file extensions with my application (a C# form based application), and sometimes I can't . And worse - I can't figure out what I change to lose or gain this capability.
Specifically what I'm referring to is being able to click on a file in explorer and have explorer start my application if the file extension is jpg. Sometimes I can right click on jpg files, select "Open With" and then "Chopse Program ..." and then browse to my program, select it - and - sometimes this works, and sometimes it doesn't. Anyone know what I'm missing?
Also, even when it does work, I only see the icon show on the list of applications that I can associate a file extension with - the name of the application has never shown up.
|
|
|
|
|
Hi guys...
Im have this assignment that i have to do for my computer network class, i have to write a simple program that simulates any rounting algorithm, so if anybody got an idea? or a code for this i'd be grateful because im running out of time anyways any help will be greatly appreciated.
Aws Al Attar
|
|
|
|
|
Google, man, Google!
http://computer.howstuffworks.com/routing-algorithm.htm[^]
Oh thats Dijkstra's alg & comp? OMG this is not difficult...
Or did you really think somebody from here will code it instead of you? (hell no)
One saying says "there are no dumb questions..." hmm
think man, think!
David 'DNH' Nohejl
Never forget: "Stay kul and happy" (I.A.)
|
|
|
|
|
thanks for the reply man...
i know dijkstra is an easy one but everybody is doing it... and i need some visual effects on the simulation... i tried another software packages, but i really need time.. and its the end of the term and i have 3 projects to deliver thats why i asked for help anyways... i will try to find a simple and easy way to do it easy and fast...
take care
Nothing
|
|
|
|