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Invalid postback or callback argument

I'm sure many of you have seen this error message when developing your web application: Server Error in '/' Application. -------------------------------------------------------------------------------- Invalid postback or callback argument. Event validation...
Posted by davidfowl | 16 comment(s)
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A new way to DataBind()

The Problem I've been thinking alot recently about the problems with data binding (and they're alot). There are some patterns that play well with ASP.NET (and are repeated everywhere) and some that don't quite fit the model. One of those patterns that...

AutoFieldGenerators

In 3.5 SP1 we added new properties to GridView and DetailsView which allows the page developer to change the way AutoGenerateColumns creates its columns. This feature is well know in Dynamic Data , but it is not tied to this technology. Dynamic Data takes...

How <%# Bind %> Works

In my last post I spoke about 2-way databinding and how it can be used to extract values from control properties. How does this all work? Lets take a look at a page with 2-way databinding: < asp : LinqDataSource ID = "productsSource" runat = "server...

Getting your data out of the data controls

After you've created a layout with a data control of your choice and eventually bound them to some datasource, you almost always want to get that data back out of them(and why wouldn't you, its your data). One thing you'll learn about developing asp.net...
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