Binding GridView to ObjectDataSource which...

Imar · July 8th, 2008, 12:01 PM

Your ODS probably gets the data again, based on the new calendar settings.

Can't you simply move RefreshCalendar to after the databinding, in an event fired by the GridView or ODS?

Imar

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Imar Spaanjaars
http://Imar.Spaanjaars.Com
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rsearing · July 8th, 2008, 12:39 PM

You're absolutely right! I was stopping the debug too early and the MemberManager is getting called again (not entirely sure why - other than I'm sure with timing and the way the ODS is set up, it's calling it's own databind after the dates have been set up - probably exactly what you just said in fewer words).

So--how can I tie into an event that I know will be called after the databinding has occured? What event would I want to call to refresh the calendar with the dates?

Thanks,
Rob

(added later - or I can leave it with what is working - by leaving as below--but not sure why that is working now and thoroughly confused)

Protected Sub Calendar1_SelectionChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles Calendar1.SelectionChanged
        Dim selectedDate As Date
        selectedDate = Calendar1.SelectedDate
        Dim month As Integer = selectedDate.Month
        Dim year As Integer = selectedDate.Year

        RefreshCalendar(Calendar1, month, year)
        ObjectDataSource1.SelectParameters.Clear()
        ObjectDataSource1.SelectParameters.Add("myDate", selectedDate.ToString)

    End Sub

Imar · July 8th, 2008, 12:44 PM

Exactly. By calling DataBind, you force the databinding mechanism. However that doesn't stop the framework from doing its normal thing: get your data based on the selected date in the calendar.

What about handing OnSelected on the ODS or OnDataBound on the GridView?

Imar

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Imar Spaanjaars
http://Imar.Spaanjaars.Com
Everyone is unique, except for me.
Author of Beginning ASP.NET 3.5 : in C# and VB, ASP.NET 2.0 Instant Results and Dreamweaver MX 2004
Want to be my colleague? Then check out this post.

rsearing · July 8th, 2008, 02:59 PM

Imar,

Thank you - I will try that as soon as I get home---can you help out with one of the first questions I actually had in this thread - what is the syntax for programatically setting a parameter in the objectdatasource?

I know it's not objectDataSourc1.SelectParameters.Add - as the "Add" will add to the collection.

Thanks,
Rob

Imar · July 8th, 2008, 03:03 PM

I already answered that; check out the link I posted and look at DefaultValue....

Imar

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Imar Spaanjaars
http://Imar.Spaanjaars.Com
Everyone is unique, except for me.
Author of Beginning ASP.NET 3.5 : in C# and VB, ASP.NET 2.0 Instant Results and Dreamweaver MX 2004
Want to be my colleague? Then check out this post.

chandan.max · July 9th, 2008, 01:44 AM

Valuable resources

Quote:

quote:Originally posted by Imar
You'd be surprised what a good Google search gives you. Searching for:

assign value parameter objectdatasource

gives you articles like this:

http://bytes.com/forum/thread480440.html

which shows you how to use the DefaultValue.

However, I still think simply calling DataBind should work as well. If you call DataBind, the databinding process starts again and the controls should be able to figure out the changed date on the Calendar1 control.

Cheers,

Imar

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Imar Spaanjaars
http://Imar.Spaanjaars.Com
Everyone is unique, except for me.
Author of Beginning ASP.NET 3.5 : in C# and VB, ASP.NET 2.0 Instant Results and Dreamweaver MX 2004
Want to be my colleague? Then check out this post.

Chandan
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