Delete Row From Datatable in Asp.net C#

string[] result = datatable.Rows.Cast<DataRow>().Select(row => row["COLUMN_NAME"].ToString()).ToArray();

if (Array.IndexOf(result, "colname") != -1)
                {
                    int RowNo = Array.IndexOf(result, "colname");
                    result = result.Where((val, idx) => idx != RowNo).ToArray();
                    datatable.Rows[RowNo].Delete();
                }
datatable.Acceptchanges();