.net如何改变datalist,datagrid标题长度,类似标题+...

.net如何改变datalist,datagrid标题长度,类似标题+...

void show_datagrid()    {      mycmd=new SqlCommand("select top 8 * from feedback  order by feedBackid desc",Con);      da = new SqlDataAdapter(mycmd);      ds =new DataSet();      da.Fill(ds, "FeedBack");          DataList1.DataSource = ds.Tables["FeedBack"].DefaultView;      DataList1.DataBind();      for(int i=0;i<ds.Tables["FeedBack"].Rows.Count;i++)      {        HyperLink title=(HyperLink)DataList1.Items[i].FindControl("title");                s=ds.Tables["FeedBack"].Rows[i]["subject"].ToString();        if(s.Length<15)          s=s.ToString();        else          s=s.Substring(0,15)+"...";        title.Text=s;                          }