我已经通过网上的几个线程来解决这个问题，似乎没有一个能帮我解决问题......
我有一个RadGrid包含在onneeddata事件中的数据绑定弹出窗口中。在这种情况下，会话变量中包含搜索功能。无论如何，它一切正常，窗口和网格出现并正确填充，但当我点击编辑...整个网格消失。如果我点击＆＃34;搜索＆＃34;再次按下按钮，网格重新出现，现在处于编辑模式。
任何建议都将深表感谢！
编辑以添加代码：
<telerik:RadWindow ID="searchWindow" runat="server" Width="1400px"
>
<ContentTemplate>
<h2>Search Results</h2>
<telerik:RadGrid ID="searchGrid" runat="server" AllowPaging="True"
AutoGenerateColumns="False" CellSpacing="0" DataMember="ID" GridLines="None"
onitemcommand="searchGrid_ItemCommand" onneeddatasource="searchGrid_NeedDataSource"
OnUpdateCommand="searchGrid_UpdateCommand" PageSize="10"
onitemdatabound="searchGrid_ItemDataBound" BackColor="#FFFF99" EnableViewState="True"><mastertableview
datakeynames="status,charity,make,model,year,vin,date,id,salePrice,bid,note"
editmode="EditForms">
<commanditemsettings exporttopdftext="Export to PDF"></commanditemsettings>
<rowindicatorcolumn filtercontrolalttext="Filter RowIndicator column" visible="True">
<HeaderStyle Width="20px"></HeaderStyle>
</rowindicatorcolumn>
<expandcollapsecolumn filtercontrolalttext="Filter ExpandColumn column" visible="True">
<HeaderStyle Width="20px"></HeaderStyle>
</expandcollapsecolumn>
<Columns>
<telerik:GridButtonColumn AutoPostBackOnFilter="True" CommandName="History"
HeaderButtonType="PushButton" HeaderText="History" Text="History"
UniqueName="detailBtn">
</telerik:GridButtonColumn>
<telerik:GridBoundColumn DataField="name" DataType="System.String"
FilterControlAltText="Filter column2 column" HeaderText="Donor"
ItemStyle-Width="140px" ReadOnly="True" UniqueName="searchGridDonorCol" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="phone" DataType="System.String"
FilterControlAltText="Filter column2 column" HeaderText="Donor Phone"
ItemStyle-Width="140px" ReadOnly="True" UniqueName="searchGridDonorPhoneCol" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="charity" DataType="System.String"
FilterControlAltText="Filter column2 column" HeaderText="Consignor"
ItemStyle-Width="140px" ReadOnly="True" UniqueName="searchGridcolumn3" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="vin" DataType="System.String"
FilterControlAltText="Filter column6 column" HeaderText="VIN"
ItemStyle-Width="140px" UniqueName="searchGridcolumn7" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="year" DataType="System.Int32"
FilterControlAltText="Filter column2 column" HeaderText="Year"
ItemStyle-Width="140px" UniqueName="searchGridcolumn2" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="make" DataType="System.String"
FilterControlAltText="Filter column column" HeaderText="Make"
ItemStyle-Width="140px" UniqueName="searchGridcolumn" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="model" DataType="System.String"
FilterControlAltText="Filter column1 column" HeaderText="Model"
ItemStyle-Width="140px" UniqueName="searchGridcolumn1" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="date" DataType="System.DateTime"
FilterControlAltText="Filter column1 column" HeaderText="Last Update"
ItemStyle-Width="140px" ReadOnly="True" UniqueName="searchGridcolumn5" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="bid" DataType="System.Decimal"
FilterControlAltText="Filter column1 column" HeaderText="Min. Bid"
ItemStyle-Width="140px" UniqueName="searchGridcolumn8" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="salePrice" DataType="System.String"
Display="False" FilterControlAltText="Filter column1 column"
HeaderText="Sale Price" ItemStyle-Width="140px"
UniqueName="searchGridPriceCol" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="notes" DataType="System.String"
Display="True" FilterControlAltText="Filter column1 column" HeaderText="Notes"
ItemStyle-Width="140px" UniqueName="searchGridNotesColumn" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="stock" DataType="System.String"
Display="True" FilterControlAltText="Filter column1 column" HeaderText="Stock#"
ItemStyle-Width="140px" UniqueName="searchGridStockColumn" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="reference"
DataType="System.String" Display="True"
FilterControlAltText="Filter column1 column" HeaderText="Cust. Ref"
ItemStyle-Width="140px" UniqueName="searchGridRefColumn" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Center">
<ItemStyle Width="140px"></ItemStyle>
</telerik:GridBoundColumn>
<telerik:GridTemplateColumn HeaderText="Latest Status" ItemStyle-Width="240px">
<ItemTemplate>
<%#DataBinder.Eval(Container.DataItem, "Status")%>
</ItemTemplate>
<EditItemTemplate>
<telerik:RadComboBox ID="searchGridComboBox" runat="server"
DataSourceID="LinqDataSource1" DataTextField="Status" DataValueField="ID"
RenderMode="Lightweight">
</telerik:RadComboBox>
</EditItemTemplate>
<ItemStyle Width="240px"></ItemStyle>
</telerik:GridTemplateColumn>
<telerik:GridEditCommandColumn FooterText="EditCommand footer"
HeaderStyle-Width="100px" HeaderText="Edit" UniqueName="searchGridEditCommandColumn"
UpdateText="Update">
<HeaderStyle Width="100px"></HeaderStyle>
</telerik:GridEditCommandColumn>
</Columns>
<editformsettings editcolumn-datatype="System.String">
<editcolumn filtercontrolalttext="Filter EditCommandColumn column"></editcolumn>
</editformsettings>
</mastertableview>
<filtermenu enableimagesprites="False"></filtermenu>
</telerik:RadGrid>
</ContentTemplate>
</telerik:RadWindow>
And the databinding:
if (Session["Search"] != null)
{
datablahblah db = new BlahBlahDataContext();
string searchText = Session["Search"].ToString();
var ud = db.Updates
.GroupBy(c => c.Vehicle, x => x, (x, gr) => new
{
key = x,
list = gr.ToList().OrderByDescending(z => z.TimeStamp).First()
})
.Select(x => x.list).ToList();
var searchVehicles = (from u in ud
join v in db.Vehicles on
u.Vehicle equals v.ID
where
v.VIN_.Contains(searchText) || v.Stock_.Contains(searchText)
join d in db.Donors on
v.DonatedBy equals d.ID
join c in db.Customers on
v.Charity equals c.ID
select new
{
status = u.Status,
make = v.Make,
model = v.Model,
Year = v.Year,
vin = v.VIN_,
charity = c.Name,
date = u.TimeStamp,
id = u.Vehicle,
salePrice = v.SalePrice,
bid = v.MinimumBid,
note = u.Note,
stock = v.Stock_,
reference = v.CustomerRef_,
name = d.DonorLastName,
phone = d.DonorPhone
}).OrderBy(z => z.charity).ToList();
searchGrid.DataSource = searchVehicles;
searchWindow.VisibleOnPageLoad = true;