复选框选中的索引更改功能即使在检查后也不会被调用

Question

选择项目时，不会触发更改事件。

ASP页面：

<asp:CheckBoxList ID="CheckBoxList1" runat="server" 
    DataSourceID="SqlDataSource1" DataTextField="name" DataValueField="name"
    OnSelectedIndexChanged="CheckBoxList1_SelectedIndexChanged"> 
</asp:CheckBoxList>

CS代码:(选择项目后不调用此功能）

   public partial class WebForm1 : System.Web.UI.Page
   {
    protected void Page_Load(object sender, EventArgs e)
    {

        Chart1.Visible = false;
    }

    protected void CheckBoxList1_SelectedIndexChanged(object sender, EventArgs e)
    {

        Chart1.Visible = true;


        CDLDataAccess.dao.Insert("inside");
    }

}

Answer 1

你有没有试过.. AutoPostBack =“true”

<asp:CheckBoxList ID="CheckBoxList1" runat="server"  AutoPostBack="true" 
    DataSourceID="SqlDataSource1" DataTextField="name" DataValueField="name"
    OnSelectedIndexChanged="CheckBoxList1_SelectedIndexChanged"> 
</asp:CheckBoxList>