xml schema in asp.ne

<%@ Page Language="C#"%>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.Schema" %>

<script runat="server">
    private StringBuilder stringBuilder = new StringBuilder();
    void Page_Load(object sender, EventArgs e)
    {
        string ns = "http://www.w3.org/2001/XMLSchema";
        string xsdPath = MapPath("NewAuthors.xsd");
        XmlSchema schema = new XmlSchema();

        XmlSchemaElement authorID = new XmlSchemaElement();
        authorID.Name = "authorID";
        authorID.SchemaTypeName = new XmlQualifiedName("string", ns );

        XmlSchemaElement authorLastName = new XmlSchemaElement();
        authorLastName.Name = "lastName";
        authorLastName.SchemaTypeName = new XmlQualifiedName("string", ns);

        XmlSchemaElement authorFirstName = new XmlSchemaElement();
        authorFirstName.Name = "firstName";
        authorFirstName.SchemaTypeName = new XmlQualifiedName("string", ns);

        XmlSchemaElement zip = new XmlSchemaElement();
        zip.Name = "zip";
        zip.SchemaTypeName = new XmlQualifiedName("unsignedInt", ns);

        XmlSchemaElement contract = new XmlSchemaElement();
        contract.Name = "contract";
        contract.SchemaTypeName = new XmlQualifiedName("boolean", ns);

        XmlSchemaElement authorElement = new XmlSchemaElement();
        authorElement.Name = "author";

        // Create an anonymous complex type for the author element
        XmlSchemaComplexType authorType = new XmlSchemaComplexType();
        XmlSchemaSequence authorSeq = new XmlSchemaSequence();
        //Add all the child elements to the sequence
        authorSeq.Items.Add(authorID);
        authorSeq.Items.Add(authorLastName);
        authorSeq.Items.Add(authorFirstName);
        authorSeq.Items.Add(zip);
        authorSeq.Items.Add(contract);
        authorType.Particle = authorSeq;

        //Set the SchemaType of authors element to the complex type
        authorElement.SchemaType = authorType;
        //Add the root authors element to the schema
        schema.Items.Add(authorElement);
        //Compile the file to check for validation errors
        schema.Compile(new ValidationEventHandler(ValidationEventHandler));
        FileStream stream = new FileStream(xsdPath, FileMode.Create);
        //Write the file
        schema.Write(stream);
        stream.Close();
        if (stringBuilder.ToString() == String.Empty)
            Response.Write("File written successfully");
        else
            Response.Write("Schema Creation Failed. <br>" + stringBuilder.ToString());
    }

    void ValidationEventHandler(object sender, ValidationEventArgs args)
    {
        stringBuilder.Append("Validation error: " + args.Message + "<br>");
    }

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Writing XSD Schema</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    </div>
    </form>
</body>
</html>

Friday, March 25, 2011

xml schema in asp.ne

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