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Insert Item Template Insert Item Template(container) End Select End Sub Private Sub Layout Template(By Val container As Control) Dim table As New Html Generic Control("table") Dim header As New Html Generic Control("thead") table. Add(header) Dim headerrow As New Html Generic Control("tr") header. Add(headerrow) Dim text As New Html Table Cell("th") text. Selected Item Template = New Template(Template Type. Selected Item Template Item Template(container) Case Template Type. Edit Item Template Edit Item Template(container) Case Template Type. Add(text) Dim command As New Html Table Cell("th") command. NET 4.0 (Web Forms) A snippet of code that I believe to be relevant below: The problem is that if I want to handle the old values, I can´t: this, evaluates to 0: int old Values Count = e. Count; and this, evaluates to null, even if I alter the value to a new one: string company Name Old = e. Columns) I also have a custom "Save" button which fires the DV1. My problem is that the New Events, Old Events and Keys collections are all empty. Value Is Not Nothing Then ' checks for no value If data Entry. So Ihave been trying to access the Details View Fields collection to get at the new values entered by the user. Instantiate In ' Select template type Select Case Me. Alternating Item Template Item Template(container) Case Template Type. Type = type End Sub Public Sub Instantiate In(By Val container As Control) Implements ITemplate.

I make some changes, click Update, and Item Updating gets called. It would be nice if there were an error event or exception somewhere to look at but I don't see anything like this. If it's bound via Linq Data Source, Sql Data Source or Object Data Source I suggest you have a look at the Updating Event.There you have access to the object via the Event Args. New Object or something like that You can cast this property into the corresponding type and make your changes. I am using a Details View which is populated dynaically at runtime: table = Data Table from Dataset passed back from Data Access Layer DV1 = Details View foreach (Data Column col in table. New Values collection to pass back to the DAL to update the table. Value) = False Then 'check for null value If data Entry. Columns) I also have a custom "Save" button which fires the DV1. My problem is that the New Events, Old Events and Keys collections are all empty. I think I might have a fundamental misunderstanding of how this all works! Copy To(records, 0) Dim data Entry As Dictionary Entry For Each data Entry In records If Is DBNull(data Entry. I am using a Details View which is populated dynaically at runtime: table = Data Table from Dataset passed back from Data Access Layer DV1 = Details View foreach (Data Column col in table. New Values collection to pass back to the DAL to update the table.

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