namespace repeater {
   public partial class itemdatabound : System.Web.UI.Page     {
   protected void Page_Load(object sender, EventArgs e)         {
           } protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)         {
               DataRowView drv = (DataRowView)e.Item.DataItem; var row=drv.Row; string name= (string)row.ItemArray[2]; if (name == "1")             {
                   HtmlGenericControl span=(HtmlGenericControl)e.Item.FindControl("span1");//span行变成红色                 span.Style["background-color"] = "red"; //TextBox text=(TextBox)e.Item.FindControl("TextBox1");//文本框背景变成红色 //text.BackColor = Color.Red;             }         } protected void Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)         {
   if (e.CommandName == "add")             {
   using (SqlConnection conn = new SqlConnection(@"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Database1.mdf;Integrated Security=True;User Instance=True"))                 {                     conn.Open();                     SqlCommand cmd = new SqlCommand("update images set name=name+1 where id=@id", conn); int id = Convert.ToInt32(e.CommandArgument);                     SqlParameter para = new SqlParameter("@id", id);                     cmd.Parameters.Add(para);                     cmd.ExecuteNonQuery();                 }                     Repeater1.DataBind();//强制刷新数据             }         }     } }