代码之家 › 专栏 › 技术社区 › Geeth

在SQLServer2008中,如何将XML从C#传递到存储过程?

sqlparameters stored-procedures xml sql-server c#

Geeth · 技术社区 · 16 年前

我想将xml文档传递到sql server存储过程,如下所示:

CREATE PROCEDURE BookDetails_Insert (@xml xml)

我想将一些字段数据与其他表数据进行比较,如果匹配,则必须将记录插入表中。

如何将XML传递到存储过程?我试过了,但没用: [工作]

command.Parameters.Add(
    new SqlParameter("@xml", SqlDbType.Xml)
    {
        Value = new SqlXml(new XmlTextReader(xmlToSave.InnerXml,
                           XmlNodeType.Document, null))
    });

如何访问存储过程中的XML数据?

编辑: [工作]

 String sql = "BookDetails_Insert";
        XmlDocument xmlToSave = new XmlDocument();
        xmlToSave.Load("C:\\Documents and Settings\\Desktop\\XML_Report\\Books_1.xml");

        SqlConnection sqlCon = new SqlConnection("...");
        using (DbCommand command = sqlCon.CreateCommand())
        {
            **command.CommandType = CommandType.StoredProcedure;**
            command.CommandText = sql;
            command.Parameters.Add(
              new SqlParameter("@xml", SqlDbType.Xml)
              {
                  Value = new SqlXml(new XmlTextReader(xmlToSave.InnerXml
                             , XmlNodeType.Document, null))
              });

            sqlCon.Open();
            DbTransaction trans = sqlCon.BeginTransaction();
            command.Transaction = trans;

            try
            {
                command.ExecuteNonQuery();
                trans.Commit();
                sqlCon.Close();
            }
            catch (Exception)
            {
                trans.Rollback();
                sqlCon.Close();
                throw;
            }

编辑2

  <booksdetail> <isn_13>700001048</isbn_13> <isn_10>01048B</isbn_10>       
    <Image_URL>http://www.landt.com/Books/large/00/7010000048.jpg</Image_URL>   
    <title>QUICK AND FLUPKE</title> <Description> PRANKS AND JOKES QUICK AND FLUPKE </Description> </booksdetail>

4 回复 | 直到 16 年前

Community Mohan Dere 9 年前

关于你问题的第二部分,请看我对你的回答 Stored procedure: pass XML as an argument and INSERT (key/value pairs) 有关如何在存储过程中使用XML的示例。

编辑 :下面的示例代码基于注释中给出的特定示例。

declare @MyXML xml

set @MyXML = '<booksdetail> 
                  <isbn_13>700001048</isbn_13> 
                  <isbn_10>01048B</isbn_10> 
                  <Image_URL>http://www.landt.com/Books/large/00/70100048.jpg</Image_URL> 
                  <title>QUICK AND FLUPKE</title> 
                  <Description> PRANKS AND JOKES QUICK AND FLUPKE - CATASTROPHE QUICK AND FLUPKE </Description> 
              </booksdetail>'

select Book.detail.value('(isbn_13/text())[1]','varchar(100)') as isbn_13, 
       Book.detail.value('(isbn_10/text())[1]','varchar(100)') as isbn_10, 
       Book.detail.value('(Image_URL/text())[1]','varchar(100)') as Image_URL, 
       Book.detail.value('(title/text())[1]','varchar(100)') as title, 
       Book.detail.value('(Description/text())[1]','varchar(100)') as Description
    from @MyXML.nodes('/booksdetail') as Book(detail)

Zafer 16 年前

如中所述 http://support.microsoft.com/kb/555266 ,需要将xml数据作为NText传递。

可以按如下方式查询XML变量:

DECLARE @PeopleXml XML
    SET @PeopleXml = '<People>
    <Person>
    <Name>James</Name>
    <Age>28</Age>
    </Person>
    <Person>
    <Name>Jane</Name>
    <Age>24</Age>
    </Person>
    </People>'
--  put [1] at the end to ensure the path expression returns a singleton.
SELECT p.c.value('Person[1]/Name[1]', 'varchar(50)')
FROM @PeopleXml.nodes('People') p(c) -- table and column aliases

Oleks 14 年前

public static string UpdateStaticCertificateFormateNo1Data(StaticCertificateFormatNo1LogicLayer StaticFormat1Detail)
{
    SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ToString());
    con.Open();
    string strXMLRegistrationDetails, strXMLQutPut = "<root></root>";
    System.Xml.Serialization.XmlSerializer x = new System.Xml.Serialization.XmlSerializer(StaticFormat1Detail.GetType());
    System.IO.MemoryStream stream = new System.IO.MemoryStream();
    x.Serialize(stream, StaticFormat1Detail);
    stream.Position = 0;
    XmlDocument xd = new XmlDocument();
    xd.Load(stream);
    strXMLRegistrationDetails = xd.InnerXml;
    SqlTransaction trn = con.BeginTransaction();
    try
    {
        SqlParameter[] paramsToStore = new SqlParameter[2];
        paramsToStore[0] = ControllersHelper.GetSqlParameter("@StaticFormat1Detail", strXMLRegistrationDetails, SqlDbType.VarChar);
        paramsToStore[1] = ControllersHelper.GetSqlParameter("@OutPut", strXMLQutPut, SqlDbType.VarChar);
        SqlHelper.ExecuteNonQuery(trn, CommandType.StoredProcedure, "UPS_UpdateStaticCertificateFormateNo1Detail", paramsToStore);
        trn.Commit();
    }
    catch (Exception ex)
    {
        trn.Rollback();
        con.Close();
        if (ex.Message.Contains("UNIQUE KEY constrastring"))
        { return "Details already in  List"; }
        else { return ex.Message; }
    }
    con.Close();
    return "Details successfully Added...";
}

tster 16 年前

您将主要使用xPath和XQuery来查询和修改XML数据。

http://msdn.microsoft.com/en-us/library/ms190798.aspx

我不能说得更具体,因为你的问题非常模糊。如果您想获得有关如何使用XPath和XQuery的帮助,请询问有关如何执行某些操作的具体问题。