How to create own DataColumn Aggregate function

  • Thread starter Thread starter whiteboy
  • Start date Start date
W

whiteboy

I want to create my own Aggregate function to be used in the
DataColumn.Expression property.

So for example,
DataColumn col = new DataColumn("foo", typeof(String));
col.Expression = "my_custom(Child.Test)";

Anyone done this before? Any suggestions on where to start?

thanks
 
I would implement ColumnChanged and RowChanged event and do the calculation
there.
What exactly do you need?
 
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