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    Gridview rowupdating oldvalues empty

    Forgive me for the variation in my code formatting I'm trying to find the right one.If we look at this event we can see the Grid View nicely packages for us the new values, old values and the keys for the updating row.I bind the Object Data Source to the Grid View based on the tab selected during Tab Container Load in the code behind only if Is Post Back because on the first load the Tab Container is not visible. The fields in the Grid View are Eval instead of Bind because the parameters are added to the Object Data Source dinamically. Protected Sub tc Disciplines_Load(sender As Object, e As Event Args) Handles tc Disciplines.

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    The good news is you CAN do it(this is what this blog post is all about right? This is probably one of the worst things you can do.

    If you go with the flow, you probably won't get stuck, but the moment you try to go against the grain you end up with a hand full of thorns.

    Most of the data controls have events ending in ing and ed e.g. In most of the event handlers of the ing events it is easy to get the values from the event args.

    If you don't use one of the Data Source controls, you are required to handle the Row Updating event.

    I confirmed this using Reflector: protected virtual void On Row Updating(Grid View Update Event Args e) { bool flag1 = base.

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