Formview itemupdating e newvalues
So here's how to use a Form View to display—and let the user update -- any collection of objects.
After dropping the Form View onto your page, add, in the Page Load event, the code to build your collection of objects and set the Data View's Data Source property to that collection.
Item Updating Also, don't forget to assign the sqldatasource as the formview's datasource in each postback, otherwise your formview's datasource would be nothing.
But you can skip the Data Source and use the Data Views to handle displaying and updating any collection of objects you want, with a few lines of code.
Here was an alternate solution I came up with for multiple color pickers that may save others some time: The Template Field in the Details View: Hope this helps others (including the System.
Drawing class would be the more eloquent way of implementing this, but the code provided is strictly for educational purposes) It's a hack until there is a more eloquent solution, but it works for now...
Becomes a bit of a challenge when you want all your data related stuff to be done in the Data Access Layer, but hey, you have to bind the data to the UI one way or the other, right. Int32) End With 'Build Update Command and Parameter List sql Return.
You can just bind your controls to data field in the markup, its great. It won't work the same way as having the sql data source in the markup. Well here is a trick to do it: For example, to Update, handle the Form View's Item Updating event, and then loop through each value in the Update Parameters list in the sqldatasource, and manually assign each value from e. Private Sub frm Data_Item Updating(By Val sender As Object, By Val e As System.
As you would if working with a Data Source control, click on the Label's Smart Tag and select Edit Data Bindings.