csharp Remove Empty rows in datatable

//20120803 Geovin Du
                //塗聚文 締友計算機信息技術有限公司
                DataTable dt = new DataTable();
                dt=agreementMonthlySalaryListBLL.SelectImportExceltoDataGridView(fileUrl, sheet).Copy();

                if ((dt != null) && (dt.Rows != null) && (dt.Rows.Count > 0))
                {
                    List<System.Data.DataRow> removeRowIndex = new List<System.Data.DataRow>();
                    int RowCounter = 0;
                    foreach (System.Data.DataRow dRow in dt.Rows)
                    {
                        for (int index = 0; index < dt.Columns.Count; index++)
                        {
                            if (dRow[index] == DBNull.Value)
                            {
                                removeRowIndex.Add(dRow);
                                break;
                            }
                            else if (string.IsNullOrEmpty(dRow[index].ToString().Trim()))
                            {
                                removeRowIndex.Add(dRow);
                                break;
                            }
                        }
                        RowCounter++;
                    }
                    // Remove all blank of in-valid rows
                    foreach (System.Data.DataRow rowIndex in removeRowIndex)
                    {
                        dt.Rows.Remove(rowIndex);
                    }
                }
                dataGridView1.DataSource = null;
                set.SetDataGridViewBindingSourceNavigatorBinds(dataGridView1,dt , bindingSource1, bindingNavigator1);