Updating a DataTable in Memory?

Experts,

All the lit I've read on updating a bound DataTable talk about mapping the "UpdateMethod" property to a method that will take parameters from the grid and then updating the actual database table.  In other words, the update goes right to the table instead of to the DataTable object.  I don't want to write to the database when the user is adding quantities to items in his/her order.  I want to update in memory and then once the user is finished, update that object to a database.

Is this possible?
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NigelRocksAsked:
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philipjonathanCommented:
Yes. First, you need to get the DataRow to be updated. For this you need to have some kind of key or identification. An example:
DataRow[] rows = dtTable.Select("ID = 10");
DataRow rowToUpdate = null;
if ((rows != null) && (rows.Count > 0))
  rowToUpdate = rows[0];

OR, if you have initialised the PrimaryKey property of that DataTable:

DataRow rowToUpdate = dtTable.Rows.Find(10);

Second, update the columns accordingly:
rowToUpdate["GivenName"] = "John";
rowToUpdate["FamilyName"] = "Doe";
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