private void button1_Click(object sender, EventArgs e)//Button點(diǎn)擊觸發(fā)事件
    {
      #region Table的Merge
      DataTable dt = new DataTable();

      DataTable dt1 = new DataTable();//創(chuàng)建Table1
      dt1.Columns.Add("ID", typeof(string));
      dt1.Columns.Add("NAME",typeof(string));
      dt1.Columns.Add("AGE", typeof(int));
      dt1.Columns.Add("SEX", typeof(string));

      dt1.PrimaryKey = new DataColumn[] { dt1.Columns["ID"]};
      for (int i = 0; i < 5; i++)
      {
        DataRow dr = dt1.NewRow();
        dr["ID"] = "00" + i.ToString();
        dr["NAME"] = "00-" + i.ToString();
        dr["AGE"] = 15 + i;
        dr["SEX"] = "M";
        dt1.Rows.Add(dr);

      }
      dt = dt1;

      DataTable dt2 = new DataTable();//創(chuàng)建Table2
      dt2.Columns.Add("ID", typeof(string));
      dt2.Columns.Add("NAME", typeof(string));
      dt2.Columns.Add("Course",typeof(string));
      dt2.Columns.Add("Score",typeof(int));

      dt2.PrimaryKey = new DataColumn[] { dt2.Columns["ID"] };
      for (int i = 0; i < 5; i++)
      {
        DataRow dr = dt2.NewRow();
        dr["ID"] = "00" + i.ToString();
        dr["NAME"] = "00-" + i.ToString();
        dr["Course"] ="C#";
        dr["Score"] = i + 80;
        dt2.Rows.Add(dr);
      }
      dt = dt2;
      dt1.Merge(dt2);

      //Copy
      var table1 = dt1.Copy();//Copy,復(fù)制表的結(jié)構(gòu)以及數(shù)據(jù)
      //添加新的一行
      DataRow dr1 = table1.NewRow();
      dr1["ID"] = "005";
      dr1["NAME"] = "00-5";
      dr1["AGE"] = 15;
      dr1["SEX"] = "F";
      table1.Rows.InsertAt(dr1,2);//表的指定位置插入新增加的一行   
       
      table1.Columns.Add(new DataColumn() { ColumnName = "Memo", DataType = typeof(string) });//默認(rèn)插入到最後一列
      table1.Columns["Memo"].SetOrdinal(0);//把插入的列移動到第一行

      int memoIndex = table1.Columns.IndexOf("Memo");//獲取列的位置信息
      var isContainName = table1.Columns.Contains("NAME");//判斷table中是否存在某列

      List<string> columnsNameList = new List<string>();//遍歷獲取table的所有列名
      foreach (DataColumn col in table1.Columns)
      {
        columnsNameList.Add(col.ColumnName);
      }

      table1.Columns.RemoveAt(memoIndex);//通過列名的索引進(jìn)行移除
      table1.Columns.RemoveAt(2);//通過列名的索引進(jìn)行移除

      table1.Columns.Remove("SEX");//通過列名進(jìn)行移除，建議使后者
      

      string[] name = new string[table1.Rows.Count];//方法一：對表中的數(shù)據(jù)進(jìn)行遍歷輸出
      string[] id = new string[table1.Rows.Count];
      for (int i = 0; i < table1.Rows.Count; i++)
      {
        name[i] = table1.Rows[i]["NAME"].ToString();
        id[i] = table1.Rows[i]["ID"].ToString();
      }
           
      table1.Clear();//清空表中的數(shù)據(jù)

      //Clone
      var table2 = dt2.Clone();//Clone,復(fù)制表的結(jié)構(gòu)、約束信息

      #endregion

    }