icallbackeventhandler

ICallbackEventHandler and ViewState

Does anyone know if viewstate is available when using ICallbackEventHandler? If not is there any work around to get it? Thanks. ...

ICallBackEventHandler does not update controls with form values

I want to use ICallBackEventHandler however when I use it to call back to the server I find that my form control objects don't have the latest form values. Is there a way to force populate the values with the form data? Thanks. ...

Conflicting RaiseCallbackEvents of ICallbackEventHandler when using a User Control on an ASP.Net Page

Hi and thanks for reading. I am using the ICallbackEventHandler interface to do some client-side processing in an ASP.Net page (VS 2005). Everything works as expected except under the following situation. I created a User Control (.ascx) that also uses ICallbackEventHandler and placed it on the aforementioned ASP.Net page. Now, the R...

Handle multiple requests with ICallbackEventHandler

Hi, Is there any way to make multiple requests to the callback function in asp.net when using the ICallbackEventHandler? I need the results for each result, however, when I iterate through and call the function, I get the result only for the last call. Any way to make it return a result for each call? This is what I am passing in via j...

What is the difference between ICallBackEventHandler and HTTPHandler?

When we write our own custom HTTPHandlers aren't they behave the same way as ICallBackEventHanlder does? we use both to make ajax calls from our web page, isn't this correct? or my understanding wrong, I wont doubt if it is :( Obviously HTTPHandlers are more broader concept since a web page (.aspx) etc are also http handlers. ...

Implement Icallback

how to implement the callback for more than one element. I have a form with various fields like description, title etc.. I need to check whether those fields contain the listed stop words which i get from database.if any of the fields contain the word then i must not submit the form and indicate the error at the respective field. ...