Convert from Array to DataTable

Convert Array List to DataTable  
string[] AList = { "78", "73", "5", "3", "4" };  
DataTable dt = new DataTable();
for (int i = 0; i <= 4; i++)  
{
row = dt.NewRow();
row["xName"] = AList[i];
row["xID"] = AList[i];
dt.Rows.Add(row);
}
return dt;