我正在使用 Telerik 列表视图。我刚刚添加了一个 SqlDataSource，我想在服务器端给出选择命令。但是当我想在 .cs 文件中访问它时，即使没有显示任何控件，也无法访问 SqlDataSource1。我在尝试 Label1.Text 时添加了一个标签，而不是在 .cs 文件中无法访问 label1。
<%@ Page Title="" Language="C#" MasterPageFile="~/PortalSite.Master" AutoEventWireup="true" CodeBehind="category.aspx.cs" Inherits="NoidaPortal.category" %>
<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
.rdpWrap .RadInput, .rdpWrap .rdpPagerButton, .rdpWrap .rdpPagerLabel
{
float: left;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<asp:SqlDataSource ID="SqlDataSource2" runat="server"></asp:SqlDataSource>
<div>
<!-- content start -->
<telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
<script type="text/javascript">
function RequestStart(sender, eventArgs) {
//disable ajax on update/insert operation to upload the image
if ((eventArgs.get_eventTarget().indexOf("Update") > -1) || (eventArgs.get_eventTarget().indexOf("PerformInsert") > -1)) {
eventArgs.set_enableAjax(false);
}
}
</script>
</telerik:RadCodeBlock>
<table>
<tr>
<td>
<asp:Panel ID="ListViewPanel1" runat="server">
<telerik:RadListView ID="RadListView1" DataSourceID="SqlDataSource1" runat="server"
ItemPlaceholderID="CustomersContainer" DataKeyNames="ArchitectId" AllowPaging="True"
>
<LayoutTemplate>
<!-- Set the id of the wrapping container to match the CLIENT ID of the RadListView control to display the ajax loading panel
In case the listview is embedded in another server control, you will need to append the id of that server control -->
<fieldset id="FiledSet1" style="width:435px;">
<legend>Customers</legend>
<table cellpadding="0" cellspacing="0" width="100%">
<tr>
<td>
<telerik:RadDataPager ID="RadDataPager1" runat="server" PagedControlID="RadListView1"
PageSize="5" Width="435px">
<Fields>
<telerik:RadDataPagerButtonField FieldType="FirstPrev" />
<telerik:RadDataPagerButtonField FieldType="Numeric" PageButtonCount="6" />
<telerik:RadDataPagerButtonField FieldType="NextLast" />
<telerik:RadDataPagerPageSizeField PageSizeText="Page size: " />
</Fields>
</telerik:RadDataPager>
</td>
</tr>
</table>
<asp:PlaceHolder ID="CustomersContainer" runat="server" />
<div style="clear: both" />
<br />
<br />
<table style="width: 100%;">
<tr>
<%--<td style="width: 25%;">
<asp:Button ID="btnInitInsert" runat="server" Text="Insert Customer" OnClick="btnInitInsert_Click" />
</td>--%>
<td style="text-align:center; width: 75%;">
<asp:Label ID="lblSort1" runat="server" Text="Sort by:" Style="padding-right: 5px;" />
<telerik:RadComboBox ID="ddListSort" runat="server" AutoPostBack="true">
<Items>
<telerik:RadComboBoxItem Text="-Select field to sort-" Value="" />
<telerik:RadComboBoxItem Text="Company name" Value="ArchitectName" />
<telerik:RadComboBoxItem Text="Sector" Value="Sector" />
</Items>
</telerik:RadComboBox>
</td>
</tr>
</table>
</div>
</fieldset>
</LayoutTemplate>
<ItemTemplate>
<!--The widths/heights of the fieldset/outer tables in the item/edit/insert templates should match to avoid wrapping or visual discrepancies
in the tiles layout-->
<fieldset style="float: left; width: 410px; height: 215px; margin-top:10PX;">
<legend style="font-weight:bold">
<%# Eval("ArchitectName")%></legend>
<table cellpadding="0" cellspacing="0" style="height: 100%;" width="370px">
<tr>
<td>
<table cellpadding="0" cellspacing="0">
<tr>
<td>
<table cellpadding="0" cellspacing="0">
<tr>
<td style="font-weight:bold; width:25%">
Address:
</td>
<td style="width:auto; width:75%;">
<%#Eval("ArchitectAddress")%>
</td>
</tr>
<tr>
<td style="width:25%; font-weight:">
City:
</td>
<td>
<%# Eval("Contact1")%>
</td>
</tr>
<tr>
<td style="font-weight:bold">
Country:
</td>
<td>
<%# Eval("Contact2")%>
</td>
</tr>
<tr>
<td style="font-weight:bold">
Phone:
</td>
<td>
<%#Eval("Email_Id")%>
</td>
</tr>
<tr>
<td style="font-weight:bold">
Website:
</td>
<td>
<%#Eval("Website")%>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</fieldset>
</ItemTemplate>
<EmptyDataTemplate>
<fieldset style="width: 800px">
<legend>Customers</legend>No records for customers available.
</fieldset>
</EmptyDataTemplate>
</telerik:RadListView>
</asp:Panel>
</td>
</tr>
</table>
<br />
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:dbPortalConnectionString %>"
SelectCommand="SELECT * FROM [Architect]" >
</asp:SqlDataSource>
/div>
</form>
</body>
</html>
</asp:Content>
这是我的 aspx.cs 类
using System;
using System.Collections.Generic;
using System.Collections;
using System.Configuration;
using System.Web.Security;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls.WebParts;
using System.Data;
using System.Xml.Linq;
using System.Data.SqlClient;
namespace NoidaPortal
{
public partial class category : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack == false)
{
string s = Request.QueryString["cat"];
string s1 = Request.QueryString["sub"];
**I Just want to give here a SqlDataSource.Select command**
}
}
}