分析器错误
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源错误:

行 1：  <%@ Application Codebehind="Global.asax.cs" Inherits="cha1.Global" %

代码行：

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

namespace cha1
{
    /// <summary>
    /// WebForm1 的摘要说明。
    /// </summary>
    public class WebForm1 : System.Web.UI.Page
    {
        protected System.Web.UI.WebControls.DropDownList uidlist;
        protected System.Web.UI.WebControls.TextBox txtname;
        protected System.Web.UI.WebControls.TextBox txtadress;
        protected System.Web.UI.WebControls.TextBox txtcontent;

        private void Page_Load(object sender, System.EventArgs e)
        {
            if(!IsPostBack)
            {
                SqlConnection myConnection=new SqlConnection("server=TY;uid=sa;pwd=sa;database=北风贸易;");
                SqlCommand myCommand = new SqlCommand("SELECT 身份证号码,姓名,家庭住址,自传 FROM 飞狐工作室", MyConnection);
                myConnection.Open();
                SqlDataReader dr=myCommand.ExecuteReader();
                bool firstrow=true;
                while(firstrow)
                {
                    txtname.Text=dr[1].ToString();
                    txtadress.Text=dr[2].ToString();
                    txtcontent.Text=dr[3].ToString();
                    firstrow=false;
                }
            
                dr.Close();
            
                myConnection.Close();
            }
        }