string str="";
string syjh="";
for (int j = 0; j < GridView1.Rows.Count; j++)
          {
              syjh = GridView1.Rows[j].Cells[1].Text + ",";
             str = str + syjh;
          }
这样输出的str是  123,124,125,
怎样能让他输出成 "123","124","125",请各位大虾指教