Setting the allowed activities of the controller

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So now we have a SelectShipper UIController, that will be used as the selection list. One more thing we need to do is to make sure the user cannot modify / delete / update records. In order to do that we need to:

1. Set the Activity (initial mode) to Browse (Query). The default is Update (Modify).
2. Make sure all the other activities are not allowed (using the Allow for each activity).

In the code it will look like this:

protected override void OnLoad()
{
    Activity = Activities.Browse;
    AllowDelete = false;
    AllowInsert = false;
    AllowUpdate = false;
    RowLocking = LockingStrategy.OnRowSaving;
    TransactionScope = TransactionScopes.SaveToDatabase;
    View = () => new Views.ShowOrdersView(this);
} 

Another option would be to prevent the user from switching activities. This is done using the AllowActivitySwitch. In the code it will look like this:

protected override void OnLoad()
{
    Activity = Activities.Browse;
-   AllowDelete = false;
-   AllowInsert = false;
-   AllowUpdate = false;
    AllowActivitySwitch = false;
    RowLocking = LockingStrategy.OnRowSaving;
    TransactionScope = TransactionScopes.SaveToDatabase;
    View = () => new Views.ShowOrdersView(this);
} 

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