I'm using Firebird 2.5 and the .net provider with an asp.net web application.
Data is provided by an EntityDataSource backed by an EDM generated from a
firebird database.
I can load a type 0 blob field with image data by handling the DetailsView
ItemUpdating event.
protected void DetailsView1_ItemUpdating(object sender,
DetailsViewUpdateEventArgs e)
{
.....
e.NewValues.Add("PHOTO", <image data as byte[]>); //PHOTO is a blob field
}
However, when I try something similar to delete the image data, nothing happens
object value = (byte[])null;
e.NewValues.Add("PHOTO", value);
Can anyone explain how to put null into the blob field?
pablo
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