Calling NewRow adds a row to the table using the existing table schema, but with default values for the row, and sets the DataRowState to Detached. Calling ImportRow preserves the existing DataRowState along with other values in the row. If the DataRow that is passed as a parameter is in a detached state, it is ignored, and no exception is thrown.
The new row will be added to the end of the data table.
If the new row violates a Constraint it won’t be added to the data table.
You can get the index of the new row with as DataTable.Rows.Find and DataTable.Rows.IndexOf. See DataRowCollection and Rows for more information.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)