高亮CheckBoxList选中的项目(2)

 
 CheckBoxList控件的OnDataBound="CheckBoxListColour_DataBound"事件。
  View Code
 protected void CheckBoxListColour_DataBound(object sender, EventArgs e)
    {
        var cbl = sender as CheckBoxList;
        foreach (ListItem li in cbl.Items)
        {
            li.Text = string.Format("<img src='Colours/{0}' />", li.Value);
        }
    }

 
CheckBoxList控件的OnSelectedIndexChanged="CheckBoxListColour_SelectedIndexChanged"事件。
  View Code
protected void CheckBoxListColour_SelectedIndexChanged(object sender, EventArgs e)
    {
        var cbl = sender as CheckBoxList;
        foreach (ListItem li in cbl.Items)
        {
            if (li.Selected)
            {
                li.Attributes.Add("style", "background-color: red;");
            }
        }
    }