Formview itemupdating event
Buttons within a Form View control can also invoke some of the built-in functionality of the control.To perform one of these operations, set the Command Name property of a button to one of the values in the following table. Set the Command Argument property of the button to "First", "Last", "Next", "Prev", or a page number to specify the type of paging operation to perform. Item Updating Try Dim email Address As String = CType(Form View1. Text Dim pattern As String = "^[a-z A-Z0-9._% -] @[a-z A-Z0-9.-] \.[a-z A-Z]$" Dim email Address Match As Match = Regex. Simple Form View with manual databinding for test purposes. Text = "The email address you entered is already registered. Affected Rows is -1, even though one row is successfully affected. Affected Rows = -1, but then it shows proper message but I cannot see the updated formview anymore. Contains("Exception has been ") Then lbl System Message. This I added in the Item Updating event as follows: Private Sub Form View1_Item Updating(By Val sender As Object, By Val e As System. When I debugged, I found that it went to that line in the Item_Updated method, because value of e. But the accounts must show because the view panels looks like little internal windows above the list. If this doesnt clarify things, just tell me and ill post the whole page with the code-behind. it would still be recommended to do that within a ! also, since we don't see the code within Build Accounts View - make sure you're not doing anything with the formview in there. Now I think like you told, something with the postback cause in the page_load looks like: Wich just gets a list of Accounts and gives it to the lv Accounts and binds it.
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Text = "An error occurred during the update operation." e. Use a different address." Dim emailtextbox As Text Box = CType(Form View1.
If I bind Text Box control directly to property by Bind(), nulls are inserted well.