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新建空Table添加行和列 DataTable dt = new DataTable(); //创建空DataTable 1.添加列 dt.Columns.Add("序号", typeof(string));   //添加列dt.Columns.Add("编号", typeof(string));dt.Columns.Add("名称", typeof(string));dt.Columns.Add("描述", typeof(s…
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 ;…
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…
#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 =;/…
DataTable dt = new DataTable("Datas"); DataColumn dc = null; //dt新增列 dc=dt.Columns.Add("id", Type.GetType("System.Int32")); //课件id dc = dt.Columns.Add("coursewareNo", Type.GetType("System.String")); //课件编号…
@Named @ViewScoped public class LiveRangeService implements Serializable { private List< Map<String, ColumnModel> > tableData; private List<ColumnModel> tableHeaderNames; public List<Map<String, ColumnModel>> getTableData() {…
DataTable dtNew = new DataTable(); dtNew.Columns.Add("ItemNo");//序列号列 dtNew.Columns.Add("flowname"); dtNew.Columns.Add("flowcontent"); dtNew.Columns.Add("bussinessflowid"); ; ; i < dtOld.Rows.Count; i++) { DataRo…
if (!dt.Columns.Contains("BDate")) { DataColumn dc1 = new DataColumn("BDate", typeof(DateTime)); dt.Columns.Add(dc1); }…
DataSet ds = SQlHelper.GetDataTable(Con, sb.ToString()); ds.Tables[].Columns.Add("Check", System.Type.GetType("System.Boolean")); ds.Tables[].Columns[);//此列放置的顺序 ds.Tables[].Columns["Check"].Caption="勾选";//.SetOrdin…
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"] = "";       …