How To Call A Pagemethod In A User Control Using Jquery
Mar 21, 2011I have a user control having a pagemethod. I want to call this pagemethod from my page using jquery's ajax() method?
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PostData class is as follows:
[Code]....
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I've tried both location.href = '/newpage.aspx' or firing a button's click handler (which does similar redirect) to redirect the user prior to completion of the page method, to no avail. I can immediately send user to a simple html page, but a redirect to any aspx page involving server-side appears to block. When the page method finally completes, the redirect does succeed.
Is this:
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The client side js looks like this:
function setSession(Amount, Item_nr) {
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and the server side like this:
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only, it seems that the Session vars are not set. When I try to Response.Write out the Session vars, I get nothing. I get no errors, and I can alert out the values passed from the onclick event, to the js function, so they are there.
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Mar 17, 2011I have a page method which take in a complex parameter how can i call this page method using jquery.
This is my page method
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and these are my types
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Jan 26, 2011 have a page that use JQuery to get markup of user control from a web services. it is successfully giving me what i want the markup etc.Jquery Code:
[Code]....
------------------
You can see that user control have a button that have a click event handler. i want this button to trigger on click. but when i click on this button i found server error "The state information is invalid for this page and might be corrupted."i can imagine what is going on viewstate is not valid for form for obivious reason......how can i fix this problem or update viewstate.
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I suppose I will need to continue to have my GetDataGrid button as a server control because I will need it to postback (and receive PageLoad events etc - all asp.net events) to update the GridView? Or would it be possible to use the GridView (server control) from a Webmethod and call it via Jquery?
Of course in my webmethod I would need to the instance of the gridview to add the datasource - but I don't see how this would be possible without being in the ASP.NET events - or maybe I wrong?
The other thing I thought of was changing the GetGridView button to a standard HTML and calling the javascript postback from the client click event?? This way it would do a real postback and I would end up in Page_load.
Taking everything into effect i don't want to the change the GridView asp.net control as it funcions well as an asp.net server control but i am unsure how i would do this.
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Update:
Here the exact scenario - I have two user controls A and B. Now both of them are being used on a Page Default.aspx. There is a public proprty on control A which holds the name of the control clicked within A. I wish to access this property in control B to make some decisions. With the suggestions gioven by you, I understand reaching to the control by FindControl method of the container page, but how do I cast it to control A to fetch the property value when I cannot get the reference of the control A in B?
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and now how to call it in user control,user control like this;
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i tried this it not working;
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i done only written above.
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My question is firstly
should I be using the presenter in the user control in this way?
If so, is it valid to be accessing the view value via the user control as shown below.
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Mar 11, 2011For an Umbraco project, I am trying to make a simple Ajax call.. I can't use PageMethods because I need to make the call from inside a UserControl.. I tried to do it via web service call like this:
Web service method:
[System.Web.Script.Services.ScriptService]
public class MapService : System.Web.Services.WebService
{
[WebMethod]
[Code]...
The problem is, "MapService.GetCities" method doesn't get invoked..
What might be the problem here?
Alternatively, what is there any better way to make these kind of Ajax calls in a User Control?
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[Code]....
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