如何在嵌套的gridview行命令中获取dropdownlist的选定值.
我的页面中有一个嵌套的gridview,在第二个gridview中,我想使用Driver的下拉列表.我试图获取该下拉列表的选定值,但无法在gridview rowcommand中获取它.我尝试按钮点击事件,但我无法得到它.
<asp:GridView ID="dtgNewTrips" runat="server" AllowPaging="true" AutoGenerateColumns="false" CssClass="table table-striped table-bordered table-hover" OnRowDataBound="dtgNewTrips_RowDataBound" DataKeyNames="Trips_ID">
<Columns>
<asp:TemplateField ItemStyle-Width="20px">
<ItemTemplate>
<a href="JavaScript:ViewDetails('div<%# Eval(" Trips_ID ") %>');">
<img alt="City" id="imgdiv<%# Eval("Trips_ID") %>" src="Images/Icons/plusicon.png" />
</a>
<div id="div<%# Eval(" Trips_ID ") %>" style="display: none;">
<asp:GridView ID="dtgViewDetails" runat="server" AutoGenerateColumns="false" DataKeyNames="Trips_ID" CssClass="ChildGrid" ShowHeader="false" OnRowDataBound="dtgViewDetails_RowDataBound" OnRowCommand="dtgViewDetails_RowCommand">
<Columns>
<asp:TemplateField ShowHeader="false">
<ItemTemplate>
<div>
<table style="width: 100%;">
<tr>
<td>Adults:
<asp:Label ID="lblTrip_ID" runat="server" Text='<%#Eval("Trips_ID") %>' Visible="false"></asp:Label>
<asp:Label ID="Label1" runat="server" Text='<%#Eval("AdultsCount") %>'></asp:Label>
</td>
<td>Children:
<asp:Label ID="Label2" runat="server" Text='<%#Eval("ChildrensCount") %>'></asp:Label>
</td>
<td>Passenger Comments: …