我有一个 Telerik 网格。每行都有一个详细信息表。该行是 type NominationTypeClass
,详细信息表中的行是 type Nomination
。因此,这对于每种提名类型意味着什么,都有一个提名列表。网格的代码:
<telerik:RadGrid
AllowPaging="true"
AllowSorting="true"
AutoGenerateColumns="false"
GridLines="None"
ID="rgMyNominations"
OnDetailTableDataBind="rgMyNominations_DetailTableDataBind"
OnItemDataBound="rgMyNominations_ItemDataBound"
OnNeedDataSource="rgMyNominations_NeedDataSource"
OnUpdateCommand="rgMyNominations_UpdateCommand"
PageSize="5"
runat="server"
ShowHeader="false"
ShowStatusBar="true">
<MasterTableView DataKeyNames="NominationTypeID" HierarchyDefaultExpanded="true" Width="100%">
<Columns>
<telerik:GridTemplateColumn>
<ItemTemplate>
<b><asp:Label ID="lblNominationType" runat="server" Text='<%# DataBinder.Eval( Container, "DataItem.NominationType") %>' /></b>
</ItemTemplate>
<ItemStyle Width="100%" />
</telerik:GridTemplateColumn>
</Columns>
<NoRecordsTemplate>No Nomination Types.</NoRecordsTemplate>
<DetailTables>
<telerik:GridTableView PageSize="5" Name="Nominations" GridLines="None" Width="100%" ShowHeader="true" DataKeyNames="NominationID">
<Columns>
<telerik:GridTemplateColumn HeaderText="Person / Team">
<ItemTemplate>
<asp:Label ID="lblName" runat="server" Text='<%# GetName(DataBinder.Eval(Container, "DataItem")) %>' />
</ItemTemplate>
<ItemStyle VerticalAlign="Top" Width="20%" />
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Date Nominated">
<ItemTemplate>
<asp:Label ID="lblNominationDate" runat="server" Text='<%# FormatDate(DataBinder.Eval(Container, "DataItem.NominationDate")) %>' />
</ItemTemplate>
<ItemStyle VerticalAlign="Top" Width="14%" />
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Action" UniqueName="Action_Column">
<ItemTemplate>
<b><asp:HyperLink ID="hlEdit" runat="server" Text="Edit" /></b><br />
<b>
<asp:LinkButton
CausesValidation="false"
CommandName="Update"
ID="lbWithdrawnStatus"
runat="server"
Text="Withdraw"
OnClientClick="javascript:return ConfirmWithdrawnStatusChange();" />
</b>
</ItemTemplate>
<ItemStyle VerticalAlign="Top" Width="7%" />
</telerik:GridTemplateColumn>
</Columns>
<NoRecordsTemplate>No Nominations.</NoRecordsTemplate>
</telerik:GridTableView>
</DetailTables>
</MasterTableView>
<ClientSettings AllowExpandCollapse="true"></ClientSettings>
</telerik:RadGrid>
这是我填充行的方式:
protected void rgMyNominations_NeedDataSource(object source, GridNeedDataSourceEventArgs e)
{
try
{
if (!e.IsFromDetailTable)
{
rgMyNominations.DataSource = GetNominationTypes();
}
}
catch (Exception ex)
{
// Handle exceptions
}
}
这是我填充详细信息表的方式:
protected void rgMyNominations_DetailTableDataBind(object source, GridDetailTableDataBindEventArgs e)
{
try
{
GridDataItem gridDataItem = (GridDataItem)e.DetailTableView.ParentItem;
if (e.DetailTableView.Name == "Nominations")
{
int nominationTypeID = int.Parse(gridDataItem.GetDataKeyValue("NominationTypeID").ToString());
List<Nomination> nominations = new List<Nomination>();
// For each nomination type, add the nomination
foreach (Nomination n in myNominationsList)
{
if (n.NominationType.NominationTypeID == nominationTypeID)
{
nominations.Add(n);
}
}
e.DetailTableView.DataSource = nominations;
}
}
catch (Exception ex)
{
// Handle exceptions
}
}
我有一个操作列,其中有一个链接显示已撤回。单击时,我有JavaScript confirm box
一个是或否选项。如果是,那么nomination status is updated to withdrawn
. 然后我希望刷新网格以显示更新的状态。我使用网格的更新命令来显示显示 JavaScript 的命令框。它会更新,但这是正确的方法吗?
protected void rgMyNominations_UpdateCommand(object source, GridCommandEventArgs e)
{
try
{
StatusManager.InsertStatus( /* required parameters */ );
// Refresh grid
rgMyNominations.DataSource = GetNominationTypes();
rgMyNominations.DataBind();
}
catch (Exception ex)
{
// Handle exceptions
}
}
状态更新后,网格的绑定不想正常工作。网格行是类型NominationTypeClass
,明细表是类型Nomination
。我进行了调试,并在那里为每个设置数据源是正确的,但是当视图被渲染时:
<asp:Label ID="lblNominationDate" runat="server" Text='<%# FormatDate(DataBinder.Eval(Container, "DataItem.NominationDate")) %>' />
...它说 NominationDate 不是NominationTypeClass
. 这是错误的,我不知道为什么将行的类型作为明细表的类型?NominationDate 是 Nomination 的属性。似乎它正在覆盖数据源。
是否有我想要完成的任何在线示例?任何意见,将不胜感激。