ASP.NET环境下XML导出导入数据方法

private void btnOut_Click(object sender, System.EventArgs e) {
   DataSet ds = new DataSet();
   this.sqlDataAdapter1.Fill(ds);
   ds.WriteXml(Server.MapPath("\test.xml"),XmlWriteMode.IgnoreSchema);
   ds.WriteXmlSchema(Server.MapPath("\test.xsd"));
  }

  private void btnInPut_Click(object sender, System.EventArgs e) {
  
   DataSet ds = DSReadXml(Server.MapPath("\test.xml"));
   this.DataGrid1.DataSource = ds.Tables[0];
   this.DataGrid1.DataBind();
   string sql = string.Empty;
   foreach (DataRow dr in ds.Tables[0].Rows) {
    
    sql += "insert into [webmenu] (";

    for(int i = 0;i < ds.Tables[0].Columns.Count;i++) {
     sql = sql + ds.Tables[0].Columns[i].ColumnName.ToString() + ",";
    }

    sql  = sql.Substring(0,sql.Length - 1) + ") values (";

    for(int x = 0;x < ds.Tables[0].Columns.Count;x++) {
     sql = sql + "'" + dr[x].ToString().Replace("'","''") + "',";
    }

    sql = sql.Substring(0,sql.Length - 1) + ");";
   }
   SqlCommand sqlInsertCommand = new  SqlCommand();
   sqlInsertCommand.CommandText = sql;
   sqlInsertCommand.Connection = this.sqlConnection1;
   sqlConnection1.Open();
   sqlInsertCommand.ExecuteNonQuery();
   sqlConnection1.Close();
  }
  public static DataSet DSReadXml(string path) {
   DataSet ds = new DataSet();
   FileStream fs = null;
   StreamReader reader = null;
   try {
    fs = new FileStream(path,FileMode.Open,FileAccess.Read);
    reader = new StreamReader(fs);
    ds.ReadXml(reader);
    return ds;
   }
   finally {
    fs.Close();
    reader.Close();
   }
  }