You have a DataSet with datatables in it. You want to delete some records(rows) from the data table before using the dataset to bind to a grid view or sending that to another place. What you do for that ?
To delete the record from the data set's data table, you can use the DataRow.Delete method.
var dataTable = dataSet.Tables;
foreach (DataRow dRow in dataTable.Rows)
Now let's say you are using this modified data set as the data source to bind to a datagrid