Хранимая процедура проверки XML на соответствие схеме

public  class StoredProcedure
{
    public string result;
    [SqlProcedure()]
    public static void Myproc(SqlChars XMLpath, SqlChars XSDpath)
    {
        SqlString XMLpath1 = (SqlString)XMLpath;
        SqlString XSDpath1 = (SqlString)XSDpath;
        string XMLpath2 = (string)(XMLpath1);
        string XSDpath2 = (string)(XMLpath1);
        XML(XMLpath2, XSDpath2);
    }
    private static void XML (string XMLpath, string XSDpath)
    {
        string result = "Соответствует";
        XmlReaderSettings settings = new XmlReaderSettings();
        settings.Schemas.Add(null, XSDpath);
        settings.ValidationType = ValidationType.Schema;
        XmlDocument document = new XmlDocument();
        document.Load(XMLpath);
 
        settings.ValidationEventHandler += new ValidationEventHandler(ValidationCallBack);
 
        XmlReader rdr = XmlReader.Create(new StringReader(document.InnerXml), settings);
 
        while (rdr.Read())
        {
 
        }
        SqlContext.Pipe.Send(result);
 
    }
    private static void ValidationCallBack(object sender, ValidationEventArgs args)
    {
        if (args.Severity == XmlSeverityType.Warning)
            SqlContext.Pipe.Send("Не соответсвует" + "\tWarning: Matching schema not found.  No validation occurred." + args.Message);
        else
            SqlContext.Pipe.Send("Не соответсвует" + "\tValidation error: " + args.Message);
 
    }

using System.Data.SqlClient;
using Microsoft.SqlServer.Server;
using System.Xml;
using System.Xml.Schema;
using System.IO;
using System.Data;
using System.Data.SqlTypes;
 
public  class StoredProcedure
{
    public string result;
    [Microsoft.SqlServer.Server.SqlProcedure]
    public static void Myproc(SqlChars XMLpath, SqlChars XSDpath)
    {
        XML(XMLpath, XSDpath);
    }
    private static void XML (SqlChars XMLpath, SqlChars XSDpath)
    {
        XmlReaderSettings settings = new XmlReaderSettings();
        settings.Schemas.Add(null, XSDpath.ToString());
        settings.ValidationType = ValidationType.Schema;
        XmlDocument document = new XmlDocument();
        document.Load(XMLpath.ToString());
        settings.ValidationEventHandler += new ValidationEventHandler(ValidationCallBack);
        XmlReader rdr = XmlReader.Create(new StringReader(document.InnerXml), settings);
        while (rdr.Read())
        {
        }
 
    }
    private static void ValidationCallBack(object sender, ValidationEventArgs args)
    {
        if (args.Severity == XmlSeverityType.Warning)
            SqlContext.Pipe.Send("Не соответсвует" + "\tWarning: Matching schema not found.  No validation occurred." + args.Message);
        else
            SqlContext.Pipe.Send("Не соответсвует" + "\tValidation error: " + args.Message);
    }
}