Formview itemupdating newvalues up 2 costars dating

I get 0 values for Old Value and New Value in Item Updating event, even though i try to update any row. For example, for COMPUTING category there will be NOTEBOOKS DESKTOPS etc. What I want to do is on the Form View_Item Updating event, I want to check the Old Values collections, use that to calculate some values and then insert them into the New Values collection. & Detailsview control for VS I have a detailsview control on my form thats linked to a sql file. However, I can't figure out how to "go to the next line." Pressing the enter key obviously doesn't work, & it doesn't like html like or . Hi, In formview we could position the controls anywhere we like and bind it to the datasource.

How can i get access to values of Old Value, New Values. There will be a image for CATEGORIES and linkbuttons with Subcategories. My problem is that all the Old Values for these one-way databound labels come up null, even though they have values. Details View Control, Validator Control Hello, I am trying to add a Required Field Validator Control to a template field in the Details View Control, here is the code: Calendar2. But i am not finding same function in detailsview.i could only see that the record are shown as a single list.

If you need to access the original non-key field values, use the Old Values property.

For more information about handling events, see NIB: Consuming Events.

NET 3.5 SP1This post describes two gotchas with the Form View control when binding:1) When performing two way databinding, Null values and Nullables get changed to string. 2) Two way binding is not supported for nested controls.

When performing two way databinding, Null values and Nullables get changed to string. The way the Form View control handles null values has caused me some grief :-( Consider a Form View bound to an Object Data Source like so: On the other hand, if we try the same thing with the Details View control, the Last Name will still be “null” on update.

Here we have a Text Box inside an Update Panel inside the Edit Item Template.

The Keys property contains the key fields, while the New Values property contains the non-key fields.

To jacko72: thank you for this suggestion but it does not really help.

The formview shown in my request is our simplest page.

Passing values to the formview is not the problem - our datatable is binding well (as my original request said) and the formview is showing the data.

Our problem is to get the changed values back from the formview and I see nothing in your suggestions tto help us.

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Is Post Back" - otherwise it reloads the original datatable when you postback, and you lose the new values.

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