为何老是找不到table 0?
DataSet ds=new DataSet();
DataTable dt=ds.Tables[0];
dt.Columns.Add(new DataColumn("用户名",typeof(string)));
dt.Columns.Add(new DataColumn("密码",typeof(string)));
DataRow dr=ds.Tables[0].NewRow();
dr[0]=this.txtUser.Text;
dr[1]=this.txtPass.Text;
ds.Tables[0].Rows.Add(dr);
FileStream fs=new FileStream(Server.MapPath("LoginMsg.xml"),FileMode.Create,FileAccess.ReadWrite,FileShare.ReadWrite);
StreamWriter writer=new StreamWriter(fs);
ds.WriteXml(writer);
Response.Write("<script language=javascript>alert('成功写入文件!');</script>");
writer.Close();
这段代码哪有问题? 编译的时候老是: 无法找到表 0。