if (!dt.Columns.Contains("BDate")) { DataColumn dc1 = new DataColumn("BDate", typeof(DateTime)); dt.Columns.Add(dc1); }…
JRoger 原文 #region 方法一: DataTable tblDatas =new DataTable("Datas"); DataColumn dc =null; dc = tblDatas.Columns.Add("ID", Type.GetType("System.Int32")); dc.AutoIncrement =true;//自动增加 dc.AutoIncrementSeed =;//起始为1 dc.AutoIncreme…
tablenullobjectdatasetc#c 手动插入一行数据 DataSet ds = tTalent.GetAllInfo();         DataRow dr = ds.Tables[0].NewRow();         dr["id"] = 0;         dr["aboutType"] = "常见问题";         dr["contents"] = "";       …
给DataTable添加列 string sql = "select * from cgpmb order by code"; DataTable dt = Bobole.Data.OracleDataRegester.GetListBySql(sql).Tables[]; dt.Columns.Add("PCode", typeof(string)); //假如数据库查询出来的DataTable没有你想要的列 Remove("")可以删除列 ;…
方法一: DataTable tblDatas = new DataTable("Datas"); DataColumn dc = null; dc = tblDatas.Columns.Add("ID", Type.GetType("System.Int32")); dc.AutoIncrement = true;//自动增加 dc.AutoIncrementSeed = 1;//起始为1 dc.AutoIncrementStep = 1;//…
#region 方法一: DataTable tblDatas =new DataTable("Datas"); DataColumn dc =null; dc = tblDatas.Columns.Add("ID", Type.GetType("System.Int32")); dc.AutoIncrement =true;//自动增加 dc.AutoIncrementSeed =;//起始为1 dc.AutoIncrementStep =;/…
/// <summary>        /// 给DataTable添加序号        /// </summary>        /// <param name="dt"></param>        /// <param name="colXuHao"></param>        public static void dbDataTableAddXuHao(DataTable d…
表格添加一行并在每行第一列大写字母显示jquery实现方法 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; cha…
//虚拟树研究-CheckBox初步判断只能在第一列 procedure TWindowsXPForm.XPTreeInitNode(Sender: TBaseVirtualTree; ParentNode, Node: PVirtualNode; var InitialStates: TVirtualNodeInitStates); var Data: PEntry; begin if ParentNode = nil then //若为父节点 就位CheckBox样式 begin Inclu…
功能实现: 登录时添加session缓存.判断是否登录过期. 1.判断是否需要登录判断 public static AdminLoginUser GetAdminLoginUser(){#region 获取当前登录者信息AdminLoginUser result = null;try{if (HttpContext.Current.Session["User"] != null){result = HttpContext.Current.Session["User"…