visual 2005 在编译我得网页时总是报“当前文件中不存在名称”某某,这些报错的页面在前几天都是可以编译执行的!这是为什么呀?
程序代码片断:(index.aspx.cs页面)
private void Add_ad()
{
string fClass = "新闻中心首页";
string loca = "3";
SqlConnection conn = DbConn.CreateDbCon();
conn.Open();
Advertisement ad = new Advertisement(fClass, loca, conn);
pic.InnerHtml = ad.doAD();
conn.Close();
ad = null;
} private void FlaNews()
{
string fClass = "新闻中心首页";
string loca = "2";
SqlConnection conn = DbConn.CreateDbCon();
conn.Open();
Advertisement ad = new Advertisement(fClass, loca, conn);
pic.InnerHtml = ad.doAD();
conn.Close();
ad = null;
}
提示给我说:Error 3 当前上下文中不存在名称“pic”…………
pic是一个服务器段的控件 <div id="pic" runat="server"></div>(index.aspx页面代码)
再写pic.InnerHtml = ad.doAd();的时候,系统自动提示列表也能出现pic的名称,选择完按“.”也会出现自动提示列表选择InnerHtml属性。从装了.net2005还是不行!!!各位高手帮帮我吧!
程序代码片断:(index.aspx.cs页面)
private void Add_ad()
{
string fClass = "新闻中心首页";
string loca = "3";
SqlConnection conn = DbConn.CreateDbCon();
conn.Open();
Advertisement ad = new Advertisement(fClass, loca, conn);
pic.InnerHtml = ad.doAD();
conn.Close();
ad = null;
} private void FlaNews()
{
string fClass = "新闻中心首页";
string loca = "2";
SqlConnection conn = DbConn.CreateDbCon();
conn.Open();
Advertisement ad = new Advertisement(fClass, loca, conn);
pic.InnerHtml = ad.doAD();
conn.Close();
ad = null;
}
提示给我说:Error 3 当前上下文中不存在名称“pic”…………
pic是一个服务器段的控件 <div id="pic" runat="server"></div>(index.aspx页面代码)
再写pic.InnerHtml = ad.doAd();的时候,系统自动提示列表也能出现pic的名称,选择完按“.”也会出现自动提示列表选择InnerHtml属性。从装了.net2005还是不行!!!各位高手帮帮我吧!
也没有修改pic的名称啊!
要是修改了名称,在写完pic后,点"."的时候就不会自动出现辅助列表选择属性了!
必须用Page.FindControl("控件名")才能找到控件!
代码太多了贴一部分吧!
<!--index.aspx-->
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="index.aspx.cs" Inherits="news_index" %>
…………
…………
<div id="picnews">
<div id="pic" runat="server"></div>
</div>
…………
<!--index.aspx.cs-->
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;public partial class news_index : System.Web.UI.Page
{
private SqlConnection con = DbConn.CreateDbCon();
public string temp;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
con.Open();
FlaNews();
}
} protected void FlaNews()
{
pic.InnerHtml = "测试文字";
}
}报错就会在pic.InnerHtml这里!