2个表的备用可见性

Question

我在Web应用程序中拥有这种结构，根据用户的选择，Table_1或Table_2具有可见性;他们永远都不可见。

<table>
    <tr><td>
           <table id="Table_1" runat="server" visible="false">
               <tr><td>...</td></tr>
               <tr><td>
                       <asp:GridView>
                       <asp:Linkbutton>
                       <asp:FormView>
               </td></tr>
           </table>
           <table id="Table_2" runat="server" visible="false">
               <tr><td>...</td></tr>
               <tr><td>
                       <asp:GridView>
               </td></tr>
           </table>
     </td></tr>
</table>

奇怪的是，只有当表2的孔代码块位于顶部时才有效。如果我将它们切换回代码描述的方式，table_2永远不会出现。我不再添加任何东西了。只需在代码中切换两个表，一旦结果正确，而在另一种情况下则不是。

这与此有什么关系？

马丁

控制可见性的代码：

    protected void GridView01_OnSelectedIndexChanged(object sender, EventArgs e)
{
    FilterDDLResponsable.SelectedIndex = -1;
    GridView3.Visible = true;
    GridView3.EditIndex = -1;
    Table_1.Visible = true;
    Table_2.Visible = false;
    GridView3.DataBind();
    ButtonEditMode.Visible = false;
    ButtonSendHWReminderSeries.Visible = false;
    if (AdminUser.Text == "1")
    {
        AddButton.Visible = true;
    }
    LabelAuditID.Text = Convert.ToString(GridView01.SelectedValue);
    if(ActivateTabletView.Checked == true)
    {
        GridView01.Columns[12].Visible = true;
        GridView01.Columns[13].Visible = true;
        GridView01.Columns[14].Visible = true;
    }
    else
    {
        GridView01.Columns[12].Visible = false;
        GridView01.Columns[13].Visible = false;
        GridView01.Columns[14].Visible = false;
    }
    FillGrid();
}

和Grid的行LinkBut​​ton onClick方法：

    protected void OpenAudit(object sender, EventArgs e)
{
    LinkButton btn = (LinkButton)(sender);
    string AuditID = btn.CommandArgument;
    Table_1.Visible = false;
    Table_2.Visible = true;
    LabelAuditID.Text = AuditID;
    foreach (GridViewRow gvRow in GridView01.Rows)
    {
        if ((int)GridView01.DataKeys[gvRow.DataItemIndex].Value == Convert.ToUInt32(AuditID))
        {
            GridView01.SelectedIndex = gvRow.DataItemIndex;
            break;
        }
    }
    FillQuestionsGrid();
}