C#实现写入Excel表 using System; using System.Reflection; using System.IO; using Microsoft.Office.Interop.Excel; namespace Test { class Program { public static bool WriteXls(string filename) { //启动Excel应用程序 Microsoft.Office.Interop.Excel.Application xls =
表新添加了一个字段,毫无疑问是空值.所以想将另一个表的某个字段的值写入到修改的表中. sql语句不复杂,但还是记录一下,因为也查了一会,以后说不定还会用到. mysql> update center_actionlog0033 A,center_traceflownode0033 B set A.business_type=B.business_type where A.tfn_id=B.uuid;