5
OK剛剛開始出現此錯誤，我不知道爲什麼。我有一個託管頁面，其中有一個用戶控件的列表視圖和麪板。列表視圖用linkbutton加載記錄。你點擊鏈接按鈕來編輯那個特定的記錄 - 在formview中（在用戶控件中）加載到編輯模式。在formview中發生更新後，我觸發了託管頁面正在偵聽的事件。託管頁面然後重新綁定列表視圖以顯示更新的數據。這全部在一個updatepanel內。無法加載視圖狀態
所以這所有的工作 - 但是當我然後去點擊一個不同的LinkButton我得到下面的錯誤：
Message: Sys.WebForms.PageRequestManagerServerErrorException: Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.
，就如何解決有什麼建議？
我的列表視圖似乎被成功反彈 - 我可以看到我改變的數據..我只是不知道爲什麼它點擊linkbutton時抱怨viewstate。還是有更好的方法來更新我的列表視圖中的數據？我的列表視圖和formview綁定到objectdata源（在這種情況下）
感謝您的幫助！
這裏是我的控件的代碼隱藏。其他人都談到這個錯誤的關係是不斷變化的FormView的模式，但已經嘗試沒有成功的幾個變化：這裏
public partial class UserControls_RatesEditDate : System.Web.UI.UserControl
{
public delegate void EditDateRateEventHandler(DateTime theDateTime);
public event EditDateRateEventHandler EditDateRateSelected;
public delegate void UpdateDateRateEventHandler();
public event UpdateDateRateEventHandler EditDateRateUpdated;
public int PropertyID { get; set; }
public int AccommodationTypeID { get; set; }
public DateTime TheDateTime { get; set; }
public PropertyCMSRate Rate { get; set; }
// display filters
public bool DisplayMTABuy { get; set; }
public bool DisplayMTASell { get; set; }
public bool DisplayAffiliate { get; set; }
public bool DisplayWeekly { get; set; }
public bool DisplayThirtyDay { get; set; }
public bool DisplayFlexi { get; set; }
protected void Page_PreRender(object sender, EventArgs e)
{
if (Rate != null || TheDateTime != DateTime.MinValue)
{
if (TheDateTime == DateTime.MinValue)
{
frmViewRatesDate.DataSource = new List<PropertyCMSRate> { Rate };
}
else
{
PropertyCMSRateItemDs.SelectParameters["propertyID"].DefaultValue = PropertyID.ToString();
PropertyCMSRateItemDs.SelectParameters["accommodationTypeId"].DefaultValue = AccommodationTypeID.ToString();
PropertyCMSRateItemDs.SelectParameters["theDateTime"].DefaultValue = TheDateTime.ToString();
frmViewRatesDate.DataSourceID = "PropertyCMSRateItemDs";
frmViewRatesDate.ChangeMode(FormViewMode.Edit);
}
frmViewRatesDate.DataBind();
if (frmViewRatesDate.CurrentMode == FormViewMode.Edit)
{
((HiddenField)frmViewRatesDate.FindControl("hdnPropertyID")).Value = PropertyID.ToString();
((HiddenField)frmViewRatesDate.FindControl("hdnAccommTypeID")).Value = AccommodationTypeID.ToString();
}
}
}
protected void lnkEditDate_Click(object sender, EventArgs e)
{
if (EditDateRateSelected != null)
EditDateRateSelected(Convert.ToDateTime(((LinkButton)frmViewRatesDate.Row.FindControl("lnkEditDate")).Text));
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
if (EditDateRateUpdated != null)
EditDateRateUpdated();
}
}
protected void frmViewRatesDate_ItemCommand(object sender, FormViewCommandEventArgs e)
{
if (e.CommandName == "Update")
{
PropertyCMSRateItemDs.UpdateParameters["propertyId"].DefaultValue = ((HiddenField)frmViewRatesDate.FindControl("hdnPropertyID")).Value;
PropertyCMSRateItemDs.UpdateParameters["accommodationTypeId"].DefaultValue = ((HiddenField)frmViewRatesDate.FindControl("hdnAccommTypeID")).Value;
PropertyCMSRateItemDs.UpdateParameters["minStay"].DefaultValue = ((DropDownList)frmViewRatesDate.FindControl("EditPriceMinStayList")).SelectedValue;
}
}
protected void PropertyCMSRateItemDs_Updated(object sender, ObjectDataSourceStatusEventArgs e)
{
if (EditDateRateUpdated != null)
EditDateRateUpdated();
}
}
確定是我的aspx頁面 - 對不起實現後，我離開了辦公室，這可能有助於搶食物。 :)已經把註釋包含這個詞我的ListView之前..
<%@ MasterType VirtualPath="~/Properties-Cms/AddEdit.master" %>
<%@ Register Src="../UserControls/RatesEditDate.ascx" TagName="RatesEditDate" TagPrefix="uc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers>
</Triggers>
<ContentTemplate>
<asp:ValidationSummary ID="ValidationSummary1" runat="server" ValidationGroup="Main" />
<div class="bluebox">
<asp:ValidationSummary ID="ValidationSummary2" runat="server" ValidationGroup="AddAccommodationType" />
<asp:CustomValidator ID="DisplayPriceValidation" Display="Dynamic" runat="server" OnServerValidate="DisplayPrice_Validated"
ValidationGroup="Main" ErrorMessage="Please ensure you have selected Accommodation and selected a valid display rates option">
</asp:CustomValidator>
<div class="col33">
<!-- accommodation -->
<div class="field">
<asp:Label ID="Label1" runat="server" Text="Select Accommodation" AssociatedControlID="Accommodations1" />
<asp:DropDownList ID="Accommodations1" runat="server" AutoPostBack="true" DataTextField="AccommodationTypeDescription"
DataValueField="Id" OnDataBound="Accommodations1_DataBound" OnSelectedIndexChanged="Accommodations1_SelectedIndexChanged"
Width="200px" DataSourceID="AccommodationDs">
</asp:DropDownList>
<asp:ObjectDataSource ID="AccommodationDs" runat="server" OldValuesParameterFormatString="original_{0}"
SelectMethod="ListByPropertyId" TypeName="Shared.MtaLib.Bll.PropertyAccommodationController">
<SelectParameters>
<asp:Parameter Name="PropertyId" Type="Int32" />
</SelectParameters>
</asp:ObjectDataSource>
</div>
</div>
<!-- middle column -->
<div class="col33">
<ul style="list-style-type: none;">
<li>
<asp:Label ID="Label100" runat="server" Text="Accommodation" AssociatedControlID="lblAccom" /> <asp:Label
ID="lblAccom" runat="server" Text="" /></li>
<li>
<asp:Label ID="Label101" runat="server" Text="Local Label" AssociatedControlID="lblLocalLabel" /> <asp:Label
ID="lblLocalLabel" runat="server" Text="" /></li>
</ul>
</div>
<!--Right hand side Level 1 -->
<div class="col33">
<asp:Button runat="server" ID="btnAddAccommodation" Text="Add Accommodation" OnClick="btnAddAccommodation_Click" /><br />
<br />
<asp:LinkButton runat="server" ID="lnkEditAccommodation" Text="View/Edit available Accommodations"
OnClick="lnkEditAccommodation_Click" />
<br />
</div>
<div style="clear: both;">
</div>
</div>
<!--Left hand side Level 2 -->
<asp:Panel runat="server" ID="pnlViewAccommodationRatesDates">
<div style="clear: both;" />
<div class="box">
<div class="col40">
Display rates Range<br />
<asp:RadioButton ID="ViewRange" runat="server" GroupName="DisplayDate" Checked="true" />
<asp:Label runat="server" ID="Label5" AssociatedControlID="txtDisplayFrom" Text="From" />
<asp:TextBox ID="txtDisplayFrom" runat="server"></asp:TextBox>
<asp:Label runat="server" ID="Label6" AssociatedControlID="txtDisplayTo" Text="To" />
<asp:TextBox ID="txtDisplayTo" runat="server"></asp:TextBox>
</div>
<div class="col20">
<br />
<asp:RadioButton ID="ViewRange1" runat="server" GroupName="DisplayDate" Text="Next 1 month" /><br />
<asp:RadioButton ID="ViewRange3" runat="server" GroupName="DisplayDate" Text="Next 3 month" /><br />
<asp:RadioButton ID="ViewRange6" runat="server" GroupName="DisplayDate" Text="Next 6 month" />
</div>
<div class="col20">
Show<br />
<asp:CheckBox ID="chkDisplayMTABuy" runat="server" Text="MTA Buy" Checked="true" /><br />
<asp:CheckBox ID="chkDisplayMTASell" runat="server" Text="MTA Sell" Checked="true" /><br />
<asp:CheckBox ID="chkDisplayAffiliateNett" runat="server" Text="Affiliate Nett" Checked="true" /><br />
<asp:CheckBox ID="chkDisplayWeekly" runat="server" Text="Weekly" Checked="true" /><br />
<asp:CheckBox ID="chkDisplay30Day" runat="server" Text="30 Day" Checked="true" /><br />
<asp:CheckBox ID="chkDisplayFlexi" runat="server" Text="Flexi" Checked="true" />
</div>
<div class="col20">
<br />
<br />
<br />
<asp:Button ID="btnDisplayRates" runat="server" Text="Display Rates" OnClick="btnDisplayRates_Click" />
<br />
<br />
<asp:LinkButton ID="lnkAddEditRate" runat="server" Text="Add/Edit Rates" OnClick="lnkAddEditRate_Click" />
</div>
<div style="clear: both;" />
</div>
</asp:Panel>
<!-- hidden panel removed as I'm out of characters -->
<!-- Listview containing user control.. usercontrol has formview with a linkbutton -->
<asp:Panel runat="server" ID="pnlViewAccommodationRates" Visible="false">
<div class="propertyaddedit_ratesbox">
<fieldset>
<legend>Click on individual dates to edit</legend>
<asp:Panel ID="Panel5" runat="server" ScrollBars="Vertical" Height="400">
<asp:ListView ID="PropertyAccommodationRates1" runat="server" DataSourceID="PropertyCMSRateListDs"
ItemPlaceholderID="itemsGoHere" OnItemDataBound="PropertyAccommodationRates1_ItemDataBound"
GroupItemCount="7" GroupPlaceholderID="groupsGoHere">
<GroupTemplate>
<tr>
<asp:PlaceHolder runat="server" ID="itemsGoHere" />
</tr>
</GroupTemplate>
<ItemTemplate>
<td>
<uc1:RatesEditDate ID="RatesViewDate1" runat="server" OnEditDateRateSelected="RatesEditDate1_EditDateRateSelected"
OnEditDateRateUpdated="RatesEditDate1_EditDateRateUpdated" />
</td>
</ItemTemplate>
<LayoutTemplate>
<table width="525px" cellspacing="2">
<tr class="propertyaddedit_gridViewRates">
<th class="propertyaddedit_ratesGrid">
Monday
</th>
<th class="propertyaddedit_ratesGrid">
Tuesday
</th>
<th class="propertyaddedit_ratesGrid">
Wednesday
</th>
<th class="propertyaddedit_ratesGrid">
Thursday
</th>
<th class="propertyaddedit_ratesGrid">
Friday
</th>
<th class="propertyaddedit_ratesGrid">
Saturday
</th>
<th class="propertyaddedit_ratesGrid">
Sunday
</th>
</tr>
<tr>
<asp:PlaceHolder runat="server" ID="groupsGoHere" />
</tr>
</table>
</LayoutTemplate>
</asp:ListView>
<asp:ObjectDataSource ID="PropertyCMSRateListDs" runat="server" SelectMethod="ListPropertyCMSRates"
TypeName="Shared.MtaLib.Bll.PropertyRateController" OnSelecting="PropertyCMSRateListDs_Selecting">
<SelectParameters>
<asp:Parameter Name="propertyId" Type="Int32" />
<asp:Parameter Name="accommodationTypeId" Type="Int32" />
<asp:Parameter Name="minDateTime" Type="DateTime" />
<asp:Parameter Name="maxDateTime" Type="DateTime" />
<asp:Parameter Name="fillMondays" Type="Boolean" DefaultValue="true" />
</SelectParameters>
</asp:ObjectDataSource>
</asp:Panel>
</fieldset>
</div>
</asp:Panel>
<div style="clear: both;">
</div>
<!-- this is the usercontrol where the edit occurs -->
<div runat="server" id="divEditRate" visible="true">
<uc1:RatesEditDate ID="RatesEditDate1" runat="server" />
</div>
</ContentTemplate>
</asp:UpdatePanel>
</asp:Content>
我的用戶控件：
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="RatesEditDate.ascx.cs"
Inherits="UserControls_RatesEditDate" %>
<asp:FormView ID="frmViewRatesDate" runat="server" Height="50px" Width="125px" OnItemCommand="frmViewRatesDate_ItemCommand"
DataKeyNames="TheDateTime">
<ItemTemplate>
<asp:LinkButton ID="lnkEditDate" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "TheDateTime", "{0:dd/MM/yyyy}") %>'
OnClick="lnkEditDate_Click" />
<asp:Literal ID="Literal1" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "MTABuyRateDaily", "{0:n}") %>'
Visible='<%# DisplayMTABuy %>' />
<asp:Literal ID="Literal2" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "MTASellRateDaily", "{0:n}") %>'
Visible='<%# DisplayMTASell %>' />
<asp:Literal ID="Literal3" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "AffiliateNettDaily", "{0:n}") %>'
Visible='<%# DisplayAffiliate %>' />
<asp:Literal ID="Literal4" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "MTABuyRateWeekly", "{0:n}") %>'
Visible='<%# DisplayWeekly %>' />
<asp:Literal ID="Literal5" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "MTASellRateWeekly", "{0:n}") %>'
Visible='<%# DisplayWeekly %>' />
<asp:Literal ID="Literal6" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "AffiliateNettWeekly", "{0:n}") %>'
Visible='<%# DisplayWeekly %>' />
<asp:Literal ID="Literal7" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "ThirtyDay", "{0:n}") %>'
Visible='<%# DisplayThirtyDay %>' />
<asp:Literal ID="Literal8" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "Flexi", "{0:n}") %>'
Visible='<%# DisplayFlexi %>' />
</ItemTemplate>
<EditItemTemplate>
<div class="field">
<asp:Literal ID="TheDate" runat="server" Text='<%# Bind("TheDateTime", "{0:dd/MM/yyyy}") %>' />
</div>
<div class="field">
<asp:Label ID="Label1" Text="MTA buy rate" AssociatedControlID="MTABuyRate1" runat="server" /><asp:TextBox
ID="MTABuyRate1" runat="server" Text='<%# Bind("MTABuyRateDaily", "{0:n}")%>' />
<asp:CompareValidator ID="MTABuyRateValidator" runat="server" Type="Currency" ControlToValidate="MTABuyRate1"
Operator="GreaterThan" ValueToCompare="0" ErrorMessage="" Display="Dynamic" ValidationGroup="EditPrice">
<asp:Image ID="Image8" SkinID="ValidationErrorImage" runat="server" />
</asp:CompareValidator>
<asp:RequiredFieldValidator ID="MTABuyRateValidator2" runat="server" ControlToValidate="MTABuyRate1"
ErrorMessage="" Display="Dynamic" ValidationGroup="EditPrice">
<asp:Image ID="Image33" SkinID="ValidationErrorImage" runat="server" />
</asp:RequiredFieldValidator>
</div>
<!-- similar items removed due to character restriction -->
<div class="field">
<asp:Label ID="Label6" Text="Total PAX" runat="server" AssociatedControlID="TotalPax1" />
<asp:CompareValidator ID="TotalPaxValidator1" runat="server" ControlToValidate="TotalPax1"
Operator="NotEqual" ValueToCompare="0" ErrorMessage="Please choose a non zero Total Pax "
Display="Dynamic" ValidationGroup="EditPrice">
<asp:Image ID="Image15" SkinID="ValidationErrorImage" runat="server" />
</asp:CompareValidator>
<asp:DropDownList ID="TotalPax1" runat="server">
<asp:ListItem Value="0" />
<asp:ListItem Value="1" />
<asp:ListItem Value="2" />
<asp:ListItem Value="3" />
<asp:ListItem Value="4" />
<asp:ListItem Value="5" />
<asp:ListItem Value="6" />
<asp:ListItem Value="7" />
<asp:ListItem Value="8" />
<asp:ListItem Value="9" />
<asp:ListItem Value="10" />
</asp:DropDownList>
</div>
<div class="field">
<asp:Label runat="server" ID="Label15" AssociatedControlID="EditPriceMinStayList"
Text="Min stay (nights)" />
<asp:CompareValidator ID="EditPriceMinStayListValidator1" runat="server" ControlToValidate="EditPriceMinStayList"
Operator="NotEqual" ValueToCompare="0" ErrorMessage="Please choose a non zero Min Stay"
Display="Dynamic" ValidationGroup="EditPrice">
<asp:Image ID="Image6" SkinID="ValidationErrorImage" runat="server" />
</asp:CompareValidator>
<!-- todo bind-->
<asp:DropDownList ID="EditPriceMinStayList" runat="server">
<asp:ListItem Value="0" />
<asp:ListItem Value="1" />
<asp:ListItem Value="2" />
<asp:ListItem Value="3" />
<asp:ListItem Value="4" />
<asp:ListItem Value="5" />
<asp:ListItem Value="6" />
<asp:ListItem Value="7" />
<asp:ListItem Value="8" />
<asp:ListItem Value="9" />
<asp:ListItem Value="10" />
<asp:ListItem Value="11" />
<asp:ListItem Value="12" />
<asp:ListItem Value="13" />
<asp:ListItem Value="14" />
<asp:ListItem Value="15" />
<asp:ListItem Value="16" />
<asp:ListItem Value="17" />
<asp:ListItem Value="18" />
<asp:ListItem Value="19" />
<asp:ListItem Value="20" />
<asp:ListItem Value="21" />
<asp:ListItem Value="22" />
<asp:ListItem Value="23" />
<asp:ListItem Value="24" />
<asp:ListItem Value="25" />
<asp:ListItem Value="26" />
<asp:ListItem Value="27" />
<asp:ListItem Value="28" />
<asp:ListItem Value="29" />
<asp:ListItem Value="30" />
</asp:DropDownList>
</div>
<div class="field">
<%--<asp:Button ID="btnUpdate" runat="server" Text="Update" OnClick="btnUpdate_Click" CommandName="Update" />--%>
<asp:Button ID="btnUpdate" runat="server" Text="Update" CommandName="Update" ValidationGroup="EditPrice" />
</div>
<asp:HiddenField runat="server" ID="hdnPropertyID" />
<asp:HiddenField runat="server" ID="hdnAccommTypeID" />
</EditItemTemplate>
</asp:FormView>
<asp:ObjectDataSource ID="PropertyCMSRateItemDs" runat="server" SelectMethod="ListPropertyCMSRate"
TypeName="Shared.MtaLib.Bll.PropertyRateController" UpdateMethod="UpdatePropertyCMSRate"
OldValuesParameterFormatString="original_{0}" OnUpdated="PropertyCMSRateItemDs_Updated">
<UpdateParameters>
<asp:Parameter Name="propertyId" Type="Int32" />
<asp:Parameter Name="accommodationTypeId" Type="Int32" />
<asp:Parameter Name="minStay" Type="Int32" />
<asp:Parameter Name="TheDateTime" Type="DateTime" />
<asp:Parameter Name="MTABuyRateDaily" Type="Decimal" />
<asp:Parameter Name="MTASellRateDaily" Type="Decimal" />
<asp:Parameter Name="AffiliateNettDaily" Type="Decimal" />
<asp:Parameter Name="MTABuyRateWeekly" Type="Decimal" />
<asp:Parameter Name="MTASellRateWeekly" Type="Decimal" />
<asp:Parameter Name="AffiliateNettWeekly" Type="Decimal" />
<asp:Parameter Name="ThirtyDay" Type="Decimal" />
<asp:Parameter Name="Flexi" Type="Decimal" />
<asp:Parameter Name="IsBreakfastIncluded" Type="Boolean" />
<asp:Parameter Name="IsFairWarning" Type="Boolean" />
<asp:Parameter Name="TotalPax" Type="Int32" />
<asp:Parameter Name="original_TheDateTime" Type="DateTime" />
</UpdateParameters>
<SelectParameters>
<asp:Parameter Name="propertyId" Type="Int32" DefaultValue="0" />
<asp:Parameter Name="accommodationTypeId" Type="Int32" DefaultValue="0" />
<asp:Parameter Name="theDateTime" Type="DateTime" />
</SelectParameters>
</asp:ObjectDataSource>
我能想到的唯一動態控件是因爲listview itemtemplate包含一個用戶控件。當我在列表視圖中調用重新綁定時，它將與首次加載頁面時不同。但我必須以某種方式刷新列表視圖以反映新數據。 或者更多的更新面板相關的問題？ – Jen 2010-06-18 04:40:49
刪除我的更新面板，我仍然得到相同的錯誤。還嘗試註釋掉我的列表視圖的數據綁定，並仍然得到相同的錯誤..所以顯然是別的東西。 – Jen 2010-06-18 04:44:02
試圖設置viewstate在我的列表視圖和/或我的formview中被禁用 - 並且這樣做導致頁面無法正常工作。當我點擊我的linkbutton時，網格會丟失它的項目，或者控件不會在編輯模式下顯示。 – Jen 2010-06-18 05:35:07