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If you have the regular expression, just use a RegularExpressionValidator. Saves wiring up your own validation routine!
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Asp.Net Validation Controls
Open This URL
jpsprince.blogspot.com/2009/02/aspnet-validation-controls.html
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Hi,
I have an HTMLForm of a page in Session.
I change the form object (add a control) in another page.
Now how could I render the first page again to apply chages?
Best wishes
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If you are posting back from PageA to PageB, and then want PageB to render PageA, that isn't possible in ASP.NET. Each page can only render itself...however it is possible to post back from one page to another, or transfer control on the server from one page to another.
The only solution to your problem that I can see would be to post from PageA to PageB, let PageB do its thing, then Server.Transfer back to PageA and add the control to the form of PageA and let it render. The problem with this is that the URL displayed to the user will probably be the URL of PageB, not PageA. You won't be able to modify the form of PageA from PageB either...each page would modify its own UI.
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I have a measurement device that measure and sends a data update string to the PC once a millisecond, so you can see what's happening in real-time. I would like to let authorized people see my data via the web in roughly real time using a web browser such as Internet explorer. I have an internet connection with valid IP address that whole of day is connected.
My idea so far, is to divide the problem into originator (my PC putting data on database) and clients (pc's logging into my computer via web browser to see latest data).
Originator:
I thought I would use SQL database to save average measured data into the database every one seconds.
Clients:
This has to log in, see designed GUI, select charts, table and reports via menu.
I want to keep it in C#.
I am very keen to hear any suggestions
Does anyone know how I can do this?
With best regards,
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At what point are you facing issues? What is your question here?
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thanks for your reply
i have no knowledge about asp.net, please introduce me from basic , i need some references to learn, sample project and any thing can help me.
also i need put report, chart and menu in my program ,is it possible ?
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mehdy_137 wrote: i have no knowledge about asp.net, please introduce me from basic
You need to buy a book and workout the examples provided. When you learn things, go and start the project. Whatever you asked can't be done without having a knowledge on ASP.NET. This site got many articles and sample projects. But as a beginner, I recommend reading a book before you look at the articles.
All the best
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tnx.
i desinged the program in c# for local computer( windows applicatin ), my main problem is communication via internet browser.
do you think i have to design a new program at first ?
can you introduce me a sample similar project?
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Hello All
I get a problem that i need to call a C# function on aspx page through javascript.but i don't how how I call this one.
Any help would be Appreciated
Amit Gautam
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use
your c# functions.....
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I already have my function on mypage.aspx.cs page. I want to call this on aspx page. so how can i do this
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AJAX[^] is the answer. To make things easier, use AJAX toolkit for ASP.NET.
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i'm not much aware about Ajax.Could you tellme the any other.I have my function in aspx.cs page I call this on aspx page
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What the hell is wrong with you? You ask a question, you're given the de-facto answer and you want a different way of doing it just because you're not familiar. How do you think people learn new concepts?
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I would prefer you to use AJAX but here is one other solution.
From javascript make a call to dopostback method with eventtarget and arguments (if reuqired) and in Page Load method check for the event target and call the C# method. Remember this is dirty trick.
JavaScript (JS File)
__doPostBack('CALL_MY_METHID','');
ASPX Code Behind
void Page_Load(object sender, EventArgs e)
{
....
....
this.GetPostBackEventReference(this, string.Empty);
string eventTarget = (this.Request["__EVENTTARGET"] == null) ? string.Empty : this.Request["__EVENTTARGET"];
if (eventTarget == "CALL_MY_METHID")
{
CallMyMethod();
return;
}
....
....
}
Be careful, there is no Undo Button(Ctrl+Z) in life.
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.NET is parsed by the server. Javascript is parsed by the browser. If you have page that is already loaded that you want to process a .NET page, asking the server to do so via Javascript is the best way.
Ranjit Viswakumar
Professional Services Specialist
HostMySite.com[^]
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If we are calling a server side function we can use a number of way.
I use mostly static PageMethods ([System.Web.Services.WebMethod]) using Ajax or HTTP Handlers. Can anyone please tell me which method is better and the pros and cons of each.
I keep performance and response time the first criteria.
Thanks.
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Anurag Gandhi wrote: Ajax or HTTP Handlers
AJAX and HttpHandler has no relation. I am not sure what you meant.
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We can call server side function by
1. writing a static function ([System.Web.Services.WebMethod]) in code behind using PageMethods.
2. calling an HTTP Handler and returning the string.
by using Ajax.
My Question is which method is faster. I want to know about the pros and cons of each.
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I am still not getting you. HttpHanlder can't return a string. It sits in the page request pipeline and handles request.
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An HttpHandler can definitely return a string...it just processes an http request and responds with something...doesn't have to be a full page. It does, however, incurr the cost of full ASP.NET pipeline processing, which combined with the effort to write one, makes them less appealing than a PageMethod.
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PageMethods behave as web services, but offer a bit more capabilities than a web service. Unlike a full postback (i.e. UpdatePanel) which will incurr the overhead of processing the full ASP.NET pipeline, a PageMethod has a bit of a truncated pipeline that sets up the context, but bypasses all the rest of the event chain required for a full page postback. An HttpHandler is like a Page (in fact, a Page is an HttpHandler), and as such it will require the full event chain to be fired. A PageMethod is pretty much the most efficient way to perform an AJAX call that requires Session and HttpContext access, but not Request/Response access. A WebService might be faster, but there is SOAP overhead that could hurt performance.
Given that HttpHandlers and WebServices require a bit more work to write than a PageMethod, and the extra processing cost for both, PageMethods are generally the best solution when a full postback (async via UpdatePanel or not) is not needed.
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Hi, I am new to HTML UI design. I am having a requirement similar to http://deluxe-tabs.com/templates/[^]
We needs to create tabs like Glass style, Vertical style, etc. For each tab, we needs to have its respective div tag.
Can you please suggest any good article, where I can learn the basics of the same?
Thanks
Jey
modified on Tuesday, February 3, 2009 5:06 AM
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