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Quinn, I don't see want your article tries to explain.

I've created a workaround I found somewhere, and seems to work just fine


protected override void OnPreInit(EventArgs e) {
...

I didn't know that there's a difference between using the original Session object or creating a new one. That's why I said "don't know actually", so I have also no idea how to check this either.
...

Don't know actually.. I'm simply using Session["user"] = ...

I don't understand a few things:


Non-expiring? It does expire right?!


I use the session object on every page request, and still I receive a new session id on each request.

I'm using the defaults of ASP.NET. I guess this is per-session cookie..

Is there any kind of setting to use persistent cookies? Or do I need to write the session id into the correct cookie each...

Hi all,

I'm having a problem with the session after the browser is closed. When the browser is (completely) closed, I always need to login in again on my own website. I don't need to login if only...

To be helpful in this issue, we need to know a lot more information..:

- How many data is there involved? Are we talking about 1000 records, 100,000 or milions?
- What is causing the performance...

I don't think you should underestimate C# ASP.NET.

Using a good book can be a good start, but not just a book with short examples.

I think this is a good book:...

Hi all,

I need to make about 300,000 HTTP requests to an URL. (Yes I know it's a lot, and there's no way to prevent this amount of calls).

To increase the speed, I did some testing with...

I don't know why that's empty, but why don't you use the cookie in the Response/Request?



//set cookie
HttpCookie cookie;
if (Request.Cookies["uid"] == null) {
cookie...

My custom control is simply displaying some data which I select in the database. But to select the data, I need several paramaters. So I could declare these parameters in public properties, and make...

Hi all,

I'm creating a custom control. To show the correct data in this control, I need to set several properties before calling the DataBind method. To prevent that any properties are forgotten,...

Yes, multi threading is hard to debug.

When I have situations like this, I normally write 'debug' lines to some kind of logger. It can be the console, a simple textfile or whatever you want to...

You should always check if an session variable is null or not.

the string conversion does not fail because a string can be null. A float can't.

Debug the following and check the results


...

Hi guys,

I want you opinion about something. We are investigating something to store a huge amount of information. Basically, we want the following:
- We recieve information via a webpage/request...

float f = float.Parse(TextBox1.Text);

But this one will throw an exception if the input is not a valid float.
Instead use


float f;
bool valid = float.TryParse(TextBox1.Text, out f);

Crystal Reports does have an initial load, but that's normally only a few seconds (less then 2 or so).

If it really takes two minutes, I doubt that the problem is crystal reports. How many data...

What is the error you get?

Did you reference the MySql.Data.dll into to your project's references?

It will look something like the following. Also, you are using COUNT, you should use SUM if you want the total amount of money




SELECT
name,
CASE WHEN SUM(money) > 5
THEN 'lots...

Yes, I'll try Fiddler to see the response.

Well, the problem is dat a collegeau had a problem while try to use the search button. She said "I kept trying to click the search button, but it didn't result in anything"... She had that problem at...

Hi guys,

In my webapp I'm using several UpdatePanel controls. Today I noticed that if there's no network connection, I doesn't do anything. If you hit a button inside the panel, the page doesn't...

Take a look at Crystal Reports for Visual Studio. If you are using VS2008, it's included. If you are using VS2010, take a look here: http://www.businessobjects.com/jump/xi/crvs2010/us2_default.asp

Yes you can. Create an ASP.NET literal control in the markup page.

In the code behind


string html = "<input type='submit' value='Click me' />";
literal1.Text = html;

VS2010 has a built in chart. In the toolbox under Data -> Chart. More documentation about this can be found here: http://code.msdn.microsoft.com/mschart

But I must says that the charts of...