我创建了一个具有以下连接字符串的站点。
我收到以下错误消息，任何帮助将不胜感激。
编译器错误消息：CS1009：无法识别的转义序列
Line 21: ad.DataFile = "D:\Hosting\9372580\html\pearl\Pearl.mdb";
我的代码：
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.OleDb;
public partial class html_Show_Projinfo : System.Web.UI.Page
{
OleDbCommand cmd;
OleDbConnection con = new OleDbConnection();
OleDbDataReader rd;
protected void Page_Load(object sender, EventArgs e)
{
int id = Convert.ToInt32(Request.QueryString["id"]);
con.ConnectionString = ConfigurationManager.ConnectionStrings["pearl"].ToString();
cmd = new OleDbCommand("Select * from Pearl_Projects where ProjectId=" + id, con);
con.Open();
rd = cmd.ExecuteReader();
string ns;
while (rd.Read())
{
Label2.Text = rd["ProjectName"].ToString();
ns = rd["Shortdes"].ToString();
if (ns.Length > 541)
{
Label1.Text = ns.Substring(0, 541);
}
else
{
Label1.Text = ns.Substring(0, ns.Length);
}
Label3.Text = rd["Description"].ToString();
Label4.Text = rd["location"].ToString();
}
rd.Close();
con.Close();
//con.Open();
//cmd = new OleDbCommand("Select ProjectId from Pearl_ProjectDetails where DetailId=" + id, con);
//int j = Convert.ToInt32(cmd.ExecuteScalar());
//con.Close();
//con.Open();
//cmd = new OleDbCommand("Select ProjectName from Pearl_Projects where ProjectId=" + j, con);
//Label1.Text = cmd.ExecuteScalar().ToString();
//con.Close();
if (Label4.Text == "")
{
Label4.Visible = false;
Label5.Visible = false;
}
else
{
Label4.Visible = true;
Label5.Visible = true;
}
AccessDataSource ad = new AccessDataSource();
ad.DataFile = "D:\Hosting\9372580\html\pearl\Pearl.mdb";
ad.SelectCommand = "SELECT top 3 ProjectId,ProjectName,Status FROM [Pearl_Projects] where Status=no Order by ProjectId Desc";
DataList1.DataSource = ad;
DataList1.DataBind();
AccessDataSource ad1 = new AccessDataSource();
ad1.DataFile = "D:\Hosting\9372580\html\pearl\Pearl.mdb";
ad1.SelectCommand = "SELECT top 3 ProjectId,ProjectName,Status FROM [Pearl_Projects] where Status=yes Order by ProjectId Desc";
DataList2.DataSource = ad1;
DataList2.DataBind();
}
}