C# 绑定内转发器
我有以下中继器:C# 绑定内转发器,c#,asp.net,asp.net-4.0,asprepeater,C#,Asp.net,Asp.net 4.0,Asprepeater,我有以下中继器: <asp:Repeater ID="repeater1" runat="server" OnItemDataBound="repeater1_ItemDataBound"> <HeaderTemplate> ... </HeaderTemplate> <ItemTemplate> <tr> <
<asp:Repeater ID="repeater1" runat="server" OnItemDataBound="repeater1_ItemDataBound">
<HeaderTemplate>
...
</HeaderTemplate>
<ItemTemplate>
<tr>
<td>
<asp:Label runat="server" Text='<%#Eval("id")%>'> </asp:Label></td>
<td>
<asp:Label runat="server" Text='<%#Eval("ssdvalue")%>'></asp:Label>
</td>
<td>
<asp:Repeater runat="server" ID="repeater2">
<ItemTemplate>
<asp:Label Text='<%#Eval("stptime")%>' runat="server"></asp:Label>
</ItemTemplate>
</asp:Repeater>
</td>
</tr>
</ItemTemplate>
</asp:Repeater>
这将绑定中继器1
对于Repeater2,我编写了以下代码:
DataSet ds = new DataSet();
ds = cls.ReturnDataSet("sp_data",
new SqlParameter("@From_Time", "2014-11-01 00:00:00.000"),
new SqlParameter("@To_Time", "2014-11-03 00:00:00.000"));
repeater1 .DataSource = ds.Tables[0];
repeater1 .DataBind();
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
DataSet ds = new DataSet();
ds = cls.ReturnDataSet("sp_data",
new SqlParameter("@From_Time", "2014-11-01 00:00:00.000"),
new SqlParameter("@To_Time", "2014-11-03 00:00:00.000"));
Repeater rpt = (Repeater)e.Item.FindControl("Repeater2");
rpt.DataSource = ds.Tables[1];
rpt.DataBind();
}
}
现在,整个输出如下所示:
Id Ssdvalue stptime
1 112 3 hours 4hours 5 hours 6 hours 12minutes 20minutes
2 234 3 hours 4hours 5 hours 6 hours 12minutes 20minutes
3 450 3 hours 4hours 5 hours 6 hours 12minutes 20minutes
4 987 3 hours 4hours 5 hours 6 hours 12minutes 20minutes
5 456 3 hours 4hours 5 hours 6 hours 12minutes 20minutes
6 091 3 hours 4hours 5 hours 6 hours 12minutes 20minutes
但上述输出是不正确的
I want output like Below:
Id Ssdvalue stptime
1 112 3 hours
2 234 4hours
3 450 5 hours
4 987 6 hours
5 456 12minutes
6 091 20minutes
那么,我如何获得上述输出呢?这样做:-
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item ||
e.Item.ItemType == ListItemType.AlternatingItem)
{
DataSet ds = new DataSet();
ds = cls.ReturnDataSet("sp_data",
new SqlParameter("@From_Time", "2014-11-01 00:00:00.000"),
new SqlParameter("@To_Time", "2014-11-03 00:00:00.000"));
Label Label1 = (Label)e.Item.FindControl("Label1");
Repeater rpt = (Repeater)e.Item.FindControl("Repeater2");
var source = ds.Tables[1].AsEnumerable()
.Where(x => x.Field<int>("Id") == Convert.ToInt32(Label1.Text))
.Select(x => new
{
stptime= x.Field<DateTime>("stptime")
});
rpt.DataSource = source ;
rpt.DataBind();
}
}
protectedvoid Repeater1\u ItemDataBound(对象发送方,RepeaterItemEventArgs e)
{
如果(e.Item.ItemType==ListItemType.Item ||
e、 Item.ItemType==ListItemType.AlternatingItem)
{
数据集ds=新数据集();
ds=cls.ReturnDataSet(“sp_数据”,
新的SqlParameter(“@From_Time”,“2014-11-01 00:00:00.000”),
新的SqlParameter(“@To_Time”,“2014-11-03 00:00:00.000”);
Label1=(Label)e.Item.FindControl(“Label1”);
中继器rpt=(中继器)e.Item.FindControl(“中继器2”);
var source=ds.Tables[1].AsEnumerable()
其中(x=>x.Field(“Id”)==Convert.ToInt32(Label1.Text))
.选择(x=>new
{
stptime=x.字段(“stptime”)
});
rpt.DataSource=来源;
rpt.DataBind();
}
}
由于您需要使用相同的Id进行映射,因此必须根据Id筛选数据,即
Id
1将映射到stpTime
3小时,依此类推。因此,我们需要使用LINQWhere
子句过滤主数据源,并从Label
获取相应的Id。您的HTML格式不正确,因为您在彼此内部重复嵌套。我建议您使用gridview替换子repeater。在Repeater1_ItemDataBound中,每次都将每个Repeater2绑定到同一个数据集-您需要根据2之间的关系对此进行筛选。i、 e您如何知道Id为1的中继器行应显示3小时的stptime?这两个行从ds.table[0]和ds.tables[1]输出的行数相同。@deepak-但您不能期望它足够智能并自动映射它们。你需要提供任何正确的链接,以便它将1映射到1?好的,但我如何才能做到这一点?如何绘制地图?