未捕获的Sys.InvalidOperationException:Sys.InvvalidOperationExcep
本文关键字:Sys InvalidOperationException InvvalidOperationExcep | 更新日期: 2023-09-27 18:25:43
我正在使用ASP.NET构建一个面板应用程序,用户可以在其中更改小部件的位置;为此,我使用了jquery排序表。小部件是动态添加到页面中的ascx(asp.net用户控件)。如果用户没有更改小部件的位置,则小部件中的每个事件都可以正常工作,但如果位置发生了更改,则会出现此错误。
未捕获的Sys.InvalidOperationException:Sys.InvvalidOperationException:找不到ID为"xxx"的UpdatePanel。如果它是动态更新的,那么它必须在另一个UpdatePanel中
这是其中一个小部件的代码,用户可以添加多个实例
<asp:UpdatePanel ID="UpdatePanel1" runat="server" >
<ContentTemplate>
<div class="setting" >
<asp:TextBox ID="txtwidgettitle" runat="server"></asp:TextBox>
<div id="settingfooter">
<asp:LinkButton ID="lnkbtnSave" runat="server" onclick="lnkbtnSave_Click">Save</asp:LinkButton>
<asp:LinkButton ID="lnkbtncancel" runat="server" CssClass="btn ui-state-default ui-corner-all">Cancel</asp:LinkButton>
</div>
</div>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="lnkbtnSave" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
<div class="pcontent">
<asp:Literal ID="ltrtwcontent" runat="server"></asp:Literal>
</div>
背后的代码
protected void Page_Load(object sender, EventArgs e)
{
ltrtwcontent.Text = jqPlotHelper.RenderChart(CurrentWidgetInstance.Id.ToString());
}
protected void lnkbtnSave_Click(object sender, EventArgs e)
{
DashboardServices d = new DashboardServices();
CurrentWidgetInstance.Title = txtwidgettitle.Text;
CurrentWidgetInstance.LastUpdate = DateTime.Now;
d.SaveOrUpdateWidgetInstance(CurrentWidgetInstance);
}
在加载控件的aspx页面上,我首先有一个动态添加的容器,该容器将添加小部件实例(ascx控件)
页面上的代码
protected void Page_Init(object sender, EventArgs e)
{
this.SetBasePageVAR(DashboredPageGuid);
if (this.UsrPage != null)
{
phltabs.Controls.Add(LoadDashboardTab());
}
}
public HtmlGenericControl LoadDashboardTab()
{
HtmlGenericControl mainList = new HtmlGenericControl("div");
mainList.Attributes["Id"] = "tabs";
foreach (WidgetInstance widgetInst in CurrentDashboardTab.WidgetInstances)
{
HtmlGenericControl headerList = new HtmlGenericControl("ul");
WidgetContainerBaseControl widgetContainer = LoadControl("~/Dashboard/WidgetContainer.ascx") as WidgetContainerBaseControl;
widgetContainer.SetControlVAR(widgetInst);
headerList.Controls.Add(widgetContainer);
mainList.Controls.Add(headerList);
}
return mainList;
}
和WidgetContainer.ascx
protected void Page_Init(object sender, EventArgs e)
{
LoadWidgetInstance();
}
public void LoadWidgetInstance()
{
WidgetControl widget = LoadControl(CurrentWidgetInstance.Widget.Url) as WidgetControl;
widget.ID = "wid_" + CurrentWidgetInstance.Id;
this.phlcontent.Controls.Add(div);
}
试试这个:像这样添加触发器并删除ASP页面中的触发器
ScriptManager sm = (ScriptManager)Page.Master.FindControl("ScriptManager1");
sm.RegisterPostBackControl(Button);