DataTable dt = ExcelHelper.ToDataTable(fileinfo.FilePath); //将datatable的第二行变为列标题字段 DataTable dt2 = new DataTable(); foreach (DataRow item in dt.Rows) { foreach (var item2 in item.ItemArray) dt2.Columns.Add(item2.ToString(), typeof(string)); break; } int k = 0; foreach (DataRow item in dt.Rows) if (k == 0) { k++; continue; } else dt2.Rows.Add(item.ItemArray);
c# DataTable第二行改为各列标题字段