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我有具体问题，目前没有答案.. :(

我必须使用 SQL Server 表中的这种结构创建一个用于导出的 xml 文件...

<?xml version="1.0" encoding="UTF-8"?>
<DATA xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="t_SR.xsd">
   <t_SR>
      <SR_COMP_ID>9002</SR_COMP_ID>
      <SalesRepresentative>
         <SR_ID>19</SR_ID>
         <SR_Name>Jan Kowalski</SR_Name>
         <SR_Type>RSM</SR_Type>
      </SalesRepresentative>
   </t_SR>
</DATA>

我试图用下面的代码来做到这一点：

Imports System.Xml
Imports System.Data.SqlClient

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim connetionString As String
        Dim connection As SqlConnection
        Dim adapter As SqlDataAdapter
        Dim ds As New DataSet("DATA")
        Dim sql As String

        connetionString = "Data Source=<server hostname>;Initial Catalog=<database name>;User ID=<username>;Password=<password>

        connection = New SqlConnection(connetionString)

        sql = "select id as SR_ID,name as SR_Name,SR_Type from dbo.users where not SR_TYPE='Operator';"

        Try
                connection.Open()

                adapter = New SqlDataAdapter(sql, connection)

                adapter.Fill(ds, "SalesRepresentative")

                ds.WriteXml("C:\SR.xml")

                MsgBox("Done")

            Catch ex As Exception

                MsgBox(ex.ToString)

            End Try
    End Sub
End Class

但是代码会生成这个（出于已知原因:)）：

<?xml version="1.0" standalone="true"?>
<DATA>
   <SalesRepresentative>
      <SR_ID>3</SR_ID>
      <SR_Name>Name</SR_Name>
      <SR_Type>GM</SR_Type>
   </SalesRepresentative>
<DATA>

如何添加encoding = UTF-8和删除standalone=yes？和 xsd 模式的线？

我怎样才能把块SR_COMP_ID？

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