gistfile1.cs

using System;
using System.Data;
using System.Linq;
using System.Xml;
using System.Xml.Linq;

class Program
{
    static void Main(string[] args)
    {
			string xml = @"<xs:schema id=""NewDataSet"" xmlns="""" xmlns:xs=""http://www.w3.org/2001/XMLSchema"" xmlns:msdata=""urn:schemas-microsoft-com:xml-msdata"" xmlns:msprop=""urn:schemas-microsoft-com:xml-msprop"">
  <xs:element name=""NewDataSet"" msdata:IsDataSet=""true"" msdata:MainDataTable=""row"" msdata:Locale="""">
    <xs:complexType>
      <xs:choice minOccurs=""0"" maxOccurs=""unbounded"">
        <xs:element name=""row"" msdata:Locale="""">
          <xs:complexType>
            <xs:sequence>
              <xs:element name=""AbcDocId"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""TypeId"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""AbcEventId"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""ApdStatusId"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""DocDate"" msprop:DataTypeName=""date"" type=""xs:dateTime"" minOccurs=""0"" />
              <xs:element name=""AbcDocKey"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""20"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""20"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""Title"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""200"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""200"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""LastUpdateDateTime"" msprop:DataTypeName=""datetime"" type=""xs:dateTime"" minOccurs=""0"" />
              <xs:element name=""ParentDocTypeId"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""LoginIdCreated"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""ImageIcon"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""128"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""128"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""Description"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""2147483647"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""2147483647"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""ParentDocId"" msdata:DataType=""System.Object, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"" msprop:DataTypeName=""sql_variant"" type=""xs:anyType"" minOccurs=""0"" />
              <xs:element name=""OwnerId"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""LastUpdateLoginId"" msprop:DataTypeName=""int"" type=""xs:int"" minOccurs=""0"" />
              <xs:element name=""DateTimeCreated"" msprop:DataTypeName=""datetime"" type=""xs:dateTime"" minOccurs=""0"" />
              <xs:element name=""DocHtml"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""2147483647"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""2147483647"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""RawText"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""2147483647"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""2147483647"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""AbcEventId_MLCaption_MLS1Lang"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""2147483647"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""2147483647"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""OwnerId_DisplayName"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""128"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""128"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name=""ApdStatusId_MLCaption_MLS1Lang"" msprop:DataTypeName=""nvarchar"" msprop:ColumnSize=""2147483647"" minOccurs=""0"">
                <xs:simpleType>
                  <xs:restriction base=""xs:string"">
                    <xs:maxLength value=""2147483647"" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
      </xs:choice>
    </xs:complexType>
    <xs:unique name=""Constraint1"" msdata:PrimaryKey=""true"">
      <xs:selector xpath="".//row"" />
      <xs:field xpath=""AbcDocId"" />
    </xs:unique>
  </xs:element>
</xs:schema>
";

        XElement xE = XElement.Parse(xml);        
        DataTable dt = new DataTable();

        using (XmlReader r = xE.CreateReader())
        {
            dt.ReadXmlSchema(r);
        }                
    }
}