Distinct solution for C # datatable and replication of tables

The distinct of a DataTable

DataTable DataTable;

DataView DataView = Datatable.defaultview;

DataTable datatabledistinct = Dataview.totable (True, "FieldName1", "FieldName2", "...");// Note: The first parameter of totable () is whether distinct

Replication of DataTable Tables

DataTable dt ="";//Here is the data that fills the DataTable
DataTable dtnew = dt. Copy ();// copy dt table data structure
Dtnew.clear ()   // clear data
for (int i = 0; i < dt. Rows.Count; i++)
        {
             if (conditional statement)
             {
                DTNEW.ROWS.ADD (dt. Rows[i]. ItemArray);  // add data rows
           }
       

Distinct solution and table replication for C # datatable