C # merges multiple DataTable with the same structure

Public DataTable getalldatatable (DataSet ds)    {        DataTable newdatatable = ds. Tables[0]. Clone ();                Create a new table clone to have a schema for the table.        object[] Objarray = new Object[newdatatable.columns.count];   Defines an array of objects that are the same as the number of table columns to hold the value of the table row. for        (int i = 0; I < ds. Tables.count; i++)        {for            (int j = 0; J < ds. Tables[i]. Rows.Count; J + +)            {                ds. Tables[i]. ROWS[J]. Itemarray.copyto (objarray, 0);    Holds the value of a row of a table in an array.                NewDataTable.Rows.Add (objarray);                       Adds the value of the array to the new table.            }        }        return newdatatable;                                           Returns the new table.    }

　　

C # merges multiple DataTable with the same structure