ASP.NET Discussion Boards

Missing Parameters in call to WebService

Miszou31-Jul-08 7:12

31-Jul-08 7:12

I have a trivial webservice set up that takes a single parameter and returns a number of items according to the value of the parameter:

[WebMethod( Description="Returns the top 'count' latest articles.")]
public XmlDataDocument GetLatestArticles( int count )
{
	if (count < 1)
		count = 1;
	if (count > 100)
		count = 100;
	return ArticleCache.GetLatest( count );
}

I have some simple parameter checking, such that the method will always return at least one article and at most, 100 articles.

However, if the client does not provide the count parameter at all, a System.ArgumentException is thrown before the webmethod is called and an ugly error is returned to the client. I would like to be able to catch this exception and supply a 'default' value to the inner method call, so that the client continues to function.

I tried making the count parameter nullable, but then the default WsdlHelpGenerator.aspx doesn't display it, because "The test form is only available for methods with primitive types as parameters." This makes it rather difficult to test - especially as the services are for consumption by a third party developer.

Is there any (elegant and easy) way of catching the exception and handling it gracefully?

Thanks.

Sunrise Wallpaper Project | The StartPage Randomizer | The Windows Cheerleader

Re: Missing Parameters in call to WebService

SomeGuyThatIsMe31-Jul-08 8:24

SomeGuyThatIsMe

31-Jul-08 8:24

depending on how you have things set up..i wrote an xml file and from there had a wsdl and server stubs generated, but in the XML i'm pretty sure that you can make the parameter optional, then look for it in the server and give it a default value if it s not there. or you might be able to set a default value in the XML...since you typically need a wsdl and the xml file(maybe) to generate a client app, it should work for everyone. i believe setting the minoccurs attribute to 0 in the xml file makes it optional, but i have not tried it.

Please remember to rate helpful or unhelpful answers, it lets us and people reading the forums know if our answers are any good.

Can't load WebControl from subfolder

hajoshajo31-Jul-08 6:16

hajoshajo

31-Jul-08 6:16

Hi there,

I've craeted a new WebControl in my controls subfolder of my project named myWebControl. VS2005 now created a public partial class controls_myWebControl which derives from System.Web.UI.UserControl. My myWebControl has some Properties, The trouble I have is to load this control in Webpages (project folder) calling
<code>controls_myWebControl myCtrl = (controls_myWebControl)Page.LoadControl(path to myWebControl);</code>
I can only create an instance of WebControl but now I can't use my properties. Any advice? Thanx in advance!!!

Re: Can't load WebControl from subfolder

Gayani Devapriya31-Jul-08 23:57

Gayani Devapriya

31-Jul-08 23:57

Hi,

Just check whether you have set accessors also defined for the properties in your user control.
And also just check whether the access modifier of the field is private and the property is public.

As i see there is no problem the way you have done it..

Hope it helps
Thx,
Gayani

Web.Config vs. Machine.Config

KreativeKai31-Jul-08 5:13

KreativeKai

31-Jul-08 5:13

Our shop is just starting to write ASP.Net applications. We're trying to think ahead and write our applications with easy maintenance in the design.

We'd like to put some of our connection strings that will be used by multiple web applications in one area. We were thinking about the machine.config file but we're not sure if this is as secure at the web.config is supposed to be or not?

Any suggestions? Confused | :confused:

Lost in the vast sea of .NET

Re: Web.Config vs. Machine.Config

led mike31-Jul-08 5:31

led mike

31-Jul-08 5:31

KreativeKai wrote:
Any suggestions?

Perhaps this can help you[^]

led mike

request project website from other PC in network

piyush_patel111131-Jul-08 4:53

piyush_patel1111

31-Jul-08 4:53

I want to request a page which is located in IIS server of one PC in network from other PC of network.

How I can deploy my webproject at IIS and access that web page from other PC of network.

Any one pls help me....

Re: request project website from other PC in network

Bassam Saoud31-Jul-08 12:02

Bassam Saoud

31-Jul-08 12:02

http:// <computername>/<the page="" you="" want="" to="" request="">where computer name is the name that the page is located at

Re: request project website from other PC in network

piyush_patel11114-Aug-08 23:23

piyush_patel1111

4-Aug-08 23:23

thanks for reply.

But suppose my ip address is 198.168.1.1 and i have deploy my website on the IIS server of this computer. So i can use

http://localhost/Myproject/login.aspx

but other PC on the network which has ip address 198.168.1.2, can use which path ?

http://198.168.1.1/Myproject/login.aspx

this path not work so tell me how i can use login.aspx file which is on 198.168.1.1 PC

check and click programmattically

caradri31-Jul-08 4:21

caradri

31-Jul-08 4:21

Hi all.
I need to check a web page and compare his data with the data in a data base, access data on textbox and click in same buttons programmatycally.
Somebody can hept with a start point? Somebody nows if with silverligth I can do that. Maybe scraping?
Thanks.

Required fields in a gridview [modified] - Answered

Dan Neely31-Jul-08 4:07

Dan Neely

31-Jul-08 4:07

How do I make input in certain fields mandatory? I've gotten nothing but unrelated junk when I've tried googling.

====================================

RequiredFieldValidator D'Oh! | :doh:

Today's lesson is brought to you by the word "niggardly". Remember kids, don't attribute to racism what can be explained by Scandinavian language roots.
-- Robert Royall

modified on Thursday, July 31, 2008 10:19 AM

Re: Required fields in a gridview [modified] - Answered

eyeseetee31-Jul-08 4:31

eyeseetee

31-Jul-08 4:31

use the required field validator

Validator controls

Running javascript from server side.

JimBob SquarePants31-Jul-08 3:43

JimBob SquarePants

31-Jul-08 3:43

Hi there,

I'm currently trying to fix a bug in a site that uses a gridview to load info from a database via a few dataviews into several tabs in a tab control.

Part of this information is the latitude and longitude which is used to display a map on virtual earth. I am having a problem in that the javascript GetMap() is called by adding an onload command to a body I have nested in the fourth tab.

This means that the javascript is only getting called once as I'm using an update panel to remove full postback.

I'm calling the javascript from the dataview databinding sub on the server side to prevent the map from being loaded too early without the necessarry information.

How can I call the javascript eveytime the index is changed on my gridview??

You can see the problem on http://www.ozfarmguide.com/Farms.aspx[^]

Many Thanks

JimBob SquarePants
*******************************************************************
"He took everything personally, including our royalties!"
David St.Hubbins, Spinal Tap about Ian Faith, their ex-manager
*******************************************************************

Re: Running javascript from server side.

led mike31-Jul-08 4:44

led mike

31-Jul-08 4:44

JimBob SquarePants wrote:
I'm calling the javascript from the dataview databinding sub on the server side

No you are not. Server side code cannot call/execute client side code.

JimBob SquarePants wrote:
How can I call the javascript eveytime the index is changed on my gridview??

As I stated above you can't. What one can do is take advantage of whatever client side mechanism they are using, like body.onload event, to execute javascript code. In your case since you are using an Ajax call (update panel) then you need to use whatever mechanism it supplies to execute client code upon return of the request to the browser.

led mike

Re: Running javascript from server side.

JimBob SquarePants31-Jul-08 5:20

JimBob SquarePants

31-Jul-08 5:20

Yeah sorry, call was probably not the best choice of words.

I tried adding OnLoad="GetMap()" to the markup on my UpdatePanel but I returned this compilation error: 'GetMap' is not a member of 'ASP.farms_aspx'The client side attributes are not available in the code behind unlike the body.

Javascript is a great unknown to me. I had real trouble getting the map to show properly in the first place.

What's your advice?

Re: Running javascript from server side.

led mike31-Jul-08 5:27

led mike

31-Jul-08 5:27

JimBob SquarePants wrote:
Javascript is a great unknown to me.

JimBob SquarePants wrote:
What's your advice?

My general advice is not to work with technology that is unknown to you without first learning it. As to your current problem, I have never worked with the update panel but I imagine there must be a client side mechanism to leverage upon return to the browser. I would also imagine there is some small amount of example code in the MSDN documentation for the update panel control. I would certainly start by looking there. If that is not enough I would goolge for something like: ASP.NET UpdatePanel tutorial

led mike

Re: Running javascript from server side.

JimBob SquarePants31-Jul-08 6:42

JimBob SquarePants

31-Jul-08 6:42

Thanks for the pointer.

Sometimes the problem with Google is knowing what to look for.

It turns out I had to put this command into my GetMap() Function:

Sys.WebForms.PageRequestManager.getInstance().add_endRequest(GetMap);

I understand the principle but not the science itself. Looks like I have a lot of swotting up to do. Sigh | :sigh:

Thanks Again

James

Use multiple queries to update a db from a gridview

Dan Neely31-Jul-08 3:36

Dan Neely

31-Jul-08 3:36

I've ran into an access limit while trying to update a table with an insane number of fields. While access supports 255 fields/table the maximum number for an update query is only 127. tblWtf is at ~170. Currently the gridview is wired directly to an AccessDataSource with a single massive query: UPDATE tblWTF SET WTF1 = ?, WTF2 = ? ... WTF170 = ? WHERE (WTFID = ?). The guilty project management has proven resistant to cluebats so I need a planB to make their 'design' 'work'.

Today's lesson is brought to you by the word "niggardly". Remember kids, don't attribute to racism what can be explained by Scandinavian language roots.
-- Robert Royall

how to make a Task Scheduler in asp.net

dream_liner_7e731-Jul-08 1:33

dream_liner_7e7

31-Jul-08 1:33

how to make a Task Scheduler in asp.net

Re: how to make a Task Scheduler in asp.net

Ashfield31-Jul-08 1:37

Ashfield

31-Jul-08 1:37

1. Design
2. Code
3. Test

Please be more specific.

Bob
Ashfield Consultants Ltd

Re: how to make a Task Scheduler in asp.net

dream_liner_7e731-Jul-08 1:56

dream_liner_7e7

31-Jul-08 1:56

Task Scheduler a module which will run after perticaular interval of time to do any perticular task. In my case send email to user 3 days before his due date

thanks.

i m reading few articles on net but finding bit difficult thats y asking and plz 1 more thing is Global class is .asax file ??

thanks very much

Re: how to make a Task Scheduler in asp.net

Paddy Boyd31-Jul-08 2:12

Paddy Boyd

31-Jul-08 2:12

This isn't an ASP.net thing. You need to look at creating, for example, a windows scheduler type of program. ASP.net isn't set up for running in the background.