C # Datatable add columns

 

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
dc = dt.Columns.Add("coverPicture", Type.GetType("System.String")); //课件封面url
dc = dt.Columns.Add("imageUrl", Type.GetType("System.String")); //图片地址
dc = dt.Columns.Add("knowledges", Type.GetType("System.String")); //知识点
dc = dt.Columns.Add("name", Type.GetType("System.String")); //标题
dc = dt.Columns.Add("pageNum", Type.GetType("System.String")); //页数
dc = dt.Columns.Add("uploadTime", Type.GetType("System.String"));// Update
Updatedc = dt.Columns.Add ( "gradeName",

 

DataRow dr = dt.NewRow();
dr["id"] = js["courseware"]["id"].ToString();
dr["coursewareNo"] = js["courseware"]["coursewareNo"].ToString();
dr["coverPicture"] = js["courseware"]["coverPicture"].ToString();
dr["imageUrl"] = js["courseware"]["imageUrl"].ToString();
dr["knowledges"] = js["courseware"]["knowledges"].ToString();
dr["name"] = js["courseware"]["name"].ToString();
dr["pageNum"] = js["courseware"]["pageNum"].ToString();
dr["uploadTime"] = js["courseware"]["uploadTime"].ToString();
dr["gradeName"] JS = [ "Grade"] [ "gradeName"] the ToString ();.
dt.Rows.Add (DR); // add to the information dt

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
dc = dt.Columns.Add("coverPicture", Type.GetType("System.String")); //课件封面url
dc = dt.Columns.Add("imageUrl", Type.GetType("System.String")); //图片地址
dc = dt.Columns.Add("knowledges", Type.GetType("System.String")); //知识点
dc = dt.Columns.Add("name", Type.GetType("System.String")); //标题
dc = dt.Columns.Add("pageNum", Type.GetType("System.String")); //页数
dc = dt.Columns.Add("uploadTime", Type.GetType("System.String"));// Update
Updatedc = dt.Columns.Add ( "gradeName",

 

DataRow dr = dt.NewRow();
dr["id"] = js["courseware"]["id"].ToString();
dr["coursewareNo"] = js["courseware"]["coursewareNo"].ToString();
dr["coverPicture"] = js["courseware"]["coverPicture"].ToString();
dr["imageUrl"] = js["courseware"]["imageUrl"].ToString();
dr["knowledges"] = js["courseware"]["knowledges"].ToString();
dr["name"] = js["courseware"]["name"].ToString();
dr["pageNum"] = js["courseware"]["pageNum"].ToString();
dr["uploadTime"] = js["courseware"]["uploadTime"].ToString();
dr["gradeName"] JS = [ "Grade"] [ "gradeName"] the ToString ();.
dt.Rows.Add (DR); // add to the information dt