将数据绑定到Asp.net中Listview中的标头模板
我想在标题中显示一些细节,如名称、Lic.#,它是唯一的,对于特定的Listview不会重复。是否仍要显示此内容?您可以为要在布局中显示的数据引入页面属性,从ItemDataBound事件处理程序中的第一行dataItem获取这些属性,并在ListView的DataBound事件处理程序中绑定布局控件:将数据绑定到Asp.net中Listview中的标头模板,asp.net,Asp.net,我想在标题中显示一些细节,如名称、Lic.#,它是唯一的,对于特定的Listview不会重复。是否仍要显示此内容?您可以为要在布局中显示的数据引入页面属性,从ItemDataBound事件处理程序中的第一行dataItem获取这些属性,并在ListView的DataBound事件处理程序中绑定布局控件: <asp:ListView ID="ListView1" runat="server" DataKeyNames="job_id" DataSourceID="SqlDataSource1
<asp:ListView ID="ListView1" runat="server" DataKeyNames="job_id" DataSourceID="SqlDataSource1">
<LayoutTemplate>
<table>
<thead>
<tr runat="server" id="headerRow">
<th>
<%# FirstHeaderText %></th>
<th>
<%# SecondHeaderText %>
</th>
</tr>
</thead>
<tbody>
<tr runat="server" id="itemPlaceholder" />
</tbody>
</table>
</LayoutTemplate>
<ItemTemplate>
<tr>
<td>
<%# Eval("job_id")%></td>
<td>
<%# Eval("job_desc")%></td>
</tr>
</ItemTemplate>
</asp:ListView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:PUBSConnectionString %>"
SelectCommand="SELECT [job_id], [job_desc] FROM [jobs]"></asp:SqlDataSource>
服务器代码:
protected string FirstHeaderText
{
get { return ViewState["FirstHeaderText"] as string; }
set { ViewState["FirstHeaderText"] = value; }
}
protected string SecondHeaderText
{
get { return ViewState["SecondHeaderText"] as string; }
set { ViewState["SecondHeaderText"] = value; }
}
protected void Page_Init(object sender, EventArgs e)
{
ListView1.ItemDataBound += new EventHandler<ListViewItemEventArgs>(ListView1_ItemDataBound);
ListView1.DataBound += new EventHandler(ListView1_DataBound);
}
void ListView1_DataBound(object sender, EventArgs e)
{
((HtmlTableRow)ListView1.FindControl("headerRow")).DataBind();
}
void ListView1_ItemDataBound(object sender, ListViewItemEventArgs e)
{
if (string.IsNullOrEmpty(FirstHeaderText) && e.Item.ItemType == ListViewItemType.DataItem)
{
var dataRow = e.Item.DataItem as DataRowView;
FirstHeaderText = dataRow["job_id"].ToString();
SecondHeaderText = dataRow["job_desc"].ToString();
}
}
受保护的字符串FirstHeaderText
{
获取{return ViewState[“FirstHeaderText”]作为字符串;}
设置{ViewState[“FirstHeaderText”]=value;}
}
受保护字符串第二标题文本
{
获取{return ViewState[“SecondHeaderText”]作为字符串;}
设置{ViewState[“SecondHeaderText”]=value;}
}
受保护的无效页_Init(对象发送方,事件参数e)
{
ListView1.ItemDataBound+=新的事件处理程序(ListView1\u ItemDataBound);
ListView1.DataBound+=新的事件处理程序(ListView1_DataBound);
}
无效列表视图1_数据绑定(对象发送方,事件参数e)
{
((HtmlTableRow)ListView1.FindControl(“headerRow”)).DataBind();
}
无效ListView1_ItemDataBound(对象发送者,ListViewItemEventArgs e)
{
if(string.IsNullOrEmpty(FirstHeaderText)&&e.Item.ItemType==ListViewItemType.DataItem)
{
var dataRow=e.Item.DataItem作为DataRowView;
FirstHeaderText=dataRow[“作业id”].ToString();
SecondHeaderText=dataRow[“作业描述”].ToString();
}
}
另一个可用的决定是将标题部分放入itemTemplate中,但仅在第一条记录中显示它:
<asp:ListView ID="ListView1" runat="server" DataKeyNames="job_id" DataSourceID="SqlDataSource1">
<LayoutTemplate>
<table>
<asp:PlaceHolder runat="server" ID="itemPlaceholder" />
</table>
</LayoutTemplate>
<ItemTemplate>
<tr runat="server" visible='<%# (int)DataBinder.Eval(Container, "DataItemIndex") == 0 %>'>
<th>
<%# Eval("job_id")%></th>
<th>
<%# Eval("job_desc")%></th>
</tr>
<tr>
<td>
<%# Eval("job_id")%></td>
<td>
<%# Eval("job_desc")%></td>
</tr>
</ItemTemplate>
</asp:ListView>
您从哪里获取这些数据?这些属性是在ListView的数据源中显示的还是您想使用一些页面属性?它来自sqldatasource