C#

nm.AddNamespace("foo", "http://tempuri.org/");
xd.SelectSingleNode("soap:Envelope/soap:Body/foo:SendServiceDataInHeader/foo:Body", nm);

<br />
[DllImport("Netapi32.dll")]<br />
    extern static int NetLocalGroupAddMembers(<br />
      [MarshalAs(UnmanagedType.LPWStr)] string servername,<br />
      [MarshalAs(UnmanagedType.LPWStr)] string groupname,<br />
      int level,<br />
      ref /*IntPtr*/ LOCALGROUP_MEMBERS_INFO_3 buf,<br />
      int totalentries<br />
    );<br />
<br />
public bool NetLocalGroupAddMember(string groupname, string username)<br />
    {      <br />
      LOCALGROUP_MEMBERS_INFO_3 member = new LOCALGROUP_MEMBERS_INFO_3();<br />
      member.domainandname = Environment.UserDomainName + @"\" + username;<br />
<br />
      //LOCALGROUP_MEMBERS_INFO_3[] members = new LOCALGROUP_MEMBERS_INFO_3[] { member };<br />
<br />
      //IntPtr bufPtr = Marshal.AllocHGlobal(2048); // how do i do this ???<br />
      //Marshal.StructureToPtr(members, bufPtr, true); // how do i do this line also ???<br />
<br />
      int retVal = NetLocalGroupAddMembers(SERVER_NAME, LocalUserManager.DEFAULT_GROUPNAME, 3, ref /*bufPtr*/ member, 1);<br />
<br />
      if (retVal != (int)NERR_GROUP_MEMBER_ADD.NERR_Success)<br />
      {<br />
        MessageBox.Show("Error Adding Member to Group",<br />
         "Error",<br />
         MessageBoxButtons.OK,<br />
         MessageBoxIcon.Error);<br />
         return false;<br />
      }<br />
      return true;<br />
    }<br />

<br />
public bool NetLocalGroupAddMember(string groupname, string domain, string username)<br />
    {      <br />
      LOCALGROUP_MEMBERS_INFO_3 member = new LOCALGROUP_MEMBERS_INFO_3();<br />
      member.domainandname = domain + @"\" + username;<br />
<br />
      int retVal = NetLocalGroupAddMembers(SERVER_NAME, LocalUserManager.DEFAULT_GROUPNAME, 3, ref member, 1);<br />
<br />
      if (retVal != (int)NERR_GROUP_MEMBER_ADD.NERR_Success)<br />
      {<br />
        MessageBox.Show("Error Adding Member to Group: " + retVal,<br />
         "Error",<br />
         MessageBoxButtons.OK,<br />
         MessageBoxIcon.Error);<br />
        return false;<br />
      }<br />
      return true;<br />
    }<br />

<br />
DataSet dsEvent = new DataSet("Log");<br />
dsEvent.ReadXml("../Debug/EventLog.xml");<br />
<br />
// This next line assumes that the xml file EventLog.xml <br />
// creates a table in the DataSet named "Log". NOTE that<br />
// the name of the dataset and the name of the table are<br />
// NOT neccesarily the same. A DataSet contains tables, <br />
// but it is not a table itself. The default table name <br />
// is usually "Table1" if a table name is not found anywhere<br />
// e, then table names are in sequence<br />
// after that.<br />
DataView dv = new DataView(dsEvent.Tables["Log"]);<br />
dv.RowFilter = "TheDate='11/1/2005'"; // Is this what your DateToday string looks like?<br />
dv.RowStateFilter = DataViewRowState.CurrentRows;<br />
<br />
// If a sort was desired, set dv.Sort here<br />
<br />
dataGrid1.CaptionText = "NetWatcher Event Log";<br />
<br />
dataGrid1.DataSource = dv;<br />
// The following line is not needed when using a DataView, only when using a DataSet<br />
// dataGrid1.DataMember = "Log";<br />
dataGrid1.DataBind(); // You MUST call this to populate the grid<br />