Csharp 两个DataTable或DataView互换,可以用来加密解密

        /// <summary>/// 涂聚文 geovindu.blog.163.com/// www.dusystem.com  www.dupcit.com/// 2011-05-28/// </summary>/// <param name="table"></param>/// <returns></returns>static DataTable GetDecTable(DataTable table){if (!object.Equals(table, null))//{DataTable tableDec = new DataTable();tableDec.Columns.Add("序号", typeof(string));tableDec.Columns.Add("员工编号", typeof(string));tableDec.Columns.Add("姓名", typeof(string));tableDec.Columns.Add("身份证号", typeof(string));tableDec.Columns.Add("入职时间", typeof(DateTime));foreach (DataRow row in table.Rows) // Loop over the rows.{tableDec.Rows.Add(row["序号"].ToString(), row["员工编号"].ToString(),  row["姓名"].ToString(),  row["身份证号"].ToString(), row["入职时间"].ToString());}return tableDec;}else{return null;}}/// <summary>/// 涂聚文 締友計算機信息技術有限公司,捷為工作室,geovindu.blog.163.com/// www.dusystem.com  www.dupcit.com/// 2011-05-28/// </summary>/// <param name="view"></param>/// <returns></returns>static DataView getDecView(DataView view){if (!object.Equals(view, null)){DataTable tableDec = new DataTable();tableDec.Columns.Add("序号", typeof(string));tableDec.Columns.Add("员工编号", typeof(string));tableDec.Columns.Add("姓名", typeof(string));tableDec.Columns.Add("身份证号", typeof(string));tableDec.Columns.Add("入职时间", typeof(DateTime));DataView dv = new DataView(tableDec);//DataSet dset = new DataSet();//dset = hr.HrestDataSet();dv.AllowNew = true;//rowView["ProductName"] = "New Product Name";//dv.AddNew();//foreach (DataRow theRow in thisDataSet.Tables["Employee"].Rows)//{//    Console.WriteLine(theRow["ID"] + "\t" + theRow["FirstName"]);//}//DataView view = new DataView(ds.Tables[0]);foreach (DataRowView drv in view){DataRowView rowView = dv.AddNew();rowView["序号"] = drv["序号"].ToString();rowView["员工编号"] =drv["员工编号"].ToString();rowView["姓名"] = drv["姓名"].ToString;rowView["身份证号"] = drv["身份证号"].ToString();rowView["入职时间"] = drv["入职时间"].ToString();}find the record for Rick//view.RowFilter = "Name = 'Evy'";//foreach (DataRowView drv in view)//{//    Console.WriteLine(drv["Name"].ToString());//}return dv;}else{return null;}}