>Hi,
>
>What is the fastest (or an efficient) method to find out if a dataset (not strongly typed) has a column; by name. For example; I have a dataset MyDataSet (created by loading an XML file) and I want to find out if the dataset has column MyColumn.
>
>TIA

I think that you might want to look at the datatable, rather than the dataset.
The datatable has a columns collection that contains the names of the columns in the table.
You can search the collection or loop through it looking for the column you have in mind.