Thread.Sleep is actually used to block the thread Temporarily for an interval. Async CTP brings forth one probable alternative if you dont want to write yourself : TaskEx.Delay(milliseconds)Probably in next release it will be Task.Delay(milliseconds)This works little different as it...

Android GCM Push Notification

by Mukund Thakker

Android GCM Push Notification

Another Generic State Machine

by Yossi Yaari

A basic yet generic state machine implementation

ASP.NET Validation Made Easy

by nasir_ml

ASP.NET textbox validation made easy.

Attaching a Console to a WinForms application

by DaveyM69

How to have a real console window as well as your forms

Attaching a Console to a WinForms application

by johannesnestler

Very good tip. I just want to mention an alternative - you can just change your project output type to a console application. (You can undo it later if only needed for debugging). So if you started with a Windows Forms project in Visual Studio: Go to project properties/application/ and in the...

Attaching a Console to a WinForms application

by fastal

VB version:Friend Declare Function AllocConsole Lib "kernel32.dll" () As BooleanFriend Declare Function FreeConsole Lib "kernel32.dll" () As BooleanSub main() Dim MainForm As New frmMain If Command = "" Then MsgBox1 = AddressOf MyMsgBox1 ' messagebox delegate sub call...

Attaching a Console to a WinForms application

by Andreas Gieriet

To not having spoiled the client code with #if DEBUG, you might use the following:[STAThread]static void Main(){ Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); try { Debugging.DebugSetupConsole(); ...

Basic Event Creation in C#

by DaveyM69

A few quick examples of how to correctly create events.

Beware of Decimal Bytes

by CoperNick

How suprising can be conversion of decimals to bytes in C#

C# / VB.NET / C++ CLI: Create, read and write MS Access (mdb, accdb), MySQL, SQL Server, SQL Server Compact and SQLite databases

by Emiliarge

Both MS Access formats (mdb and new - accdb), MSSQL 2008 R2, MSSQL CE, SQLite, MySQL

C# / VB.NET / C++ CLI: Read and write MS Access (mdb) database without ADO and SQL via Microsoft DAO

by Emiliarge

Read and write data to Access databases without limitations caused by the use of the SQL.

C# Storable Box Control 1.4.0.4

by Darkencrow

A multi-drawer style collapsable UI container

C#: Read and Write Excel (*.xls and *.xlsx) Files Content without Excel Automation (using NPOI and ADO.NET)

by Emiliarge

2 ways to read and write data to *.xls and *.xls files and display it on DataGridView.

Calculating the area of a polygon

by Qwertie

A fast and simple algorithm.

Capturing Entire Content of an Internet Explorer Window

by Kaveh Yazdi Nezhad

A simple solution to capture entire HTML code of a web page which is displaying on Internet Explorer

CD / DVD Tray Locker

by DaveyM69

How to prevent a CD/DVD drive from being opened.

CD / DVD Tray Locker

by Steve Maier

To get this to work in .NET 4, you have to change the DLLImport signature.[DllImport("kernel32.dll", SetLastError = true)]private static extern IntPtr CreateFile( string lpFileName, uint dwDesiredAccess, int dwShareMode, ref SECURITY_ATTRIBUTES lpSecurityAttributes, ...

Central jQuery Version Control

by Sitang Ruan

Central jQuery Version Control

Change Back Color of MDI Parent form on its load.

by Ank_ush

How to change the background color for an MDI parent form in Visual C#This article demonstrates how to programmatically change the background color for a multiple-document interface (MDI) parent form by using Visual C#.When you use a Windows Form as an MDI parent form, the Application...

Changing a WinForms Control on the 'UI' Thread from another Thread

by DaveyM69

How to access a control from a different thread + good alternatives by other members!

Changing a WinForms Control on the 'UI' Thread from another Thread

by Khaniya

this.BeginInvo...

Changing a WinForms Control on the 'UI' Thread from another Thread

by AspDotNetDev

This version works regardless of parameters:public void AnyMethod(int parameter){ MethodInvoker wrapper = new MethodInvoker(delegate() { // Do your thing here! }); if (this.InvokeRequired) this.Invoke(wrapper); else wrapper();}Note also...

Changing a WinForms Control on the 'UI' Thread from another Thread

by Moim Hossain

Doing like following for few years now :public void AnyMethod(int parameter){ var wrapper = new Action(()=> { // Do your thing here! }); if (this.InvokeRequired) this.Invoke(wrapper); else wrapper();}

Check maxlength of multiline textbox in JavaScript

by Surjit Singh Dadhwal

This post will help you to resolve problem of checking maxlength of Multiline textbox (Internet Explorer, Chrome & Firefox)

Checking Internet Is Connected Or Not From .NET

by Gandhi Ashish

Checking Internet Is Connected Or Not From .NET

by J a a n s

For C# guys....using System ;using System.Runtime ;using System.Runtime.InteropServices ;public class Internet{ [DllImport("wininet.dll")] private extern static bool InternetGetConnectedState( out int Description, int ReservedValue ) ; public static bool...

Checking Internet Is Connected Or Not From .NET

by Anshul R

Dim value As Boolean = My.Computer.Network.IsAvailable can be used in a situation where the only network a system will be connected to is the Internet.Dim value As Boolean = My.Computer.Network.Ping(hostNameOrAddress ,timeout) hostNameOrAddress can be any valid website -...

Comparision between Response.Redirect, Response.RedirectParmanent and Server.Transfer

by Abhishek Sur

It is to be noted, .NET has lately introducedResponse.RedirectParmanent() after a long await. The main motive of this is tohave permanent response redirection to the Search Engines.Response.RedirectParmanent() is an extension function introduced in .NET 4.0.Themain motive of it is to indicate

Complete Date/Time Picker Control

by Peter T. Ringering

A complete replacement to Microsoft's Date/Time Picker control.

Connect to observu.com monitor and send data

by Sumon1524

Observu monitors your websites from multiple locations and combines it with measurements collected on your servers. Here this article will show how to send data to Observu.

Conversion Between All .NET Languages

by Anshul R

The Perfect Translation/Conversion of Code

Convert Text to Image

by RaviRanjanKr

Convert Text to Image

by johannesnestler

I'd like to offer a "funny" alternative by using a dummy TextBox. public static Bitmap GetPlainTextBitmap(string strText, Font font, Color colorBack, Color colorText, Size sizeTargetBitmap) { // Create a dummy TextBox TextBox txDummy = new TextBox(); ...

Converting HL7 to XML

by Shru37

Modified code from another article to consider field repetitions while converting HL7 message to XML

Converting Joystick into Mouse Radially

by Lee Louviere

Convert joystick movement into mouse position from a fixed center.

Copy Remote Website to Modify Functionality Locally

by Bryan Lyman

A method for duplicating a web page (including all scripts and styles) to run as if it originated from your own server, then modify server-side and client-side functionality afterwards.

Creating a Database Driven Auto Complete TextBox Using jQuery for ASP.NET Websites

by AshishChaudha

This tip talks about creating an auto complete textbox using jQuery.

Creating Scehduler Service using Windows Services

by Rajkumar Reddy Mar31

Recently, one of my jobs demanded me to create a windows service for scheduling some tasks without human intervention, all we need to mention those services XML file.Configure the scheduled tasks in an XML file (Tasks.xml)On Service Start, load the tasks configuration from the Tasks.xml file...

Crystal Reports 2008 Dynamic Connection to Embedded Reports

by Mik Wadstrom

Simple way to use Crystal reports as embedded dynamic printable reports

CustomBackgroundWorker where the initial argument is passed to all events

by DaveyM69

Enables access to the original argument in all events

Data Object to XML (Vice-versa) using C#

by Monotosh Roy Mon

XML Serialization & Deserialization for converting our object to XML and XML to Object

Debugger showing wrong source file when debugging in VS2005

by nainakarri

Debugger showing wrong source file when debugging in VS2005

Deeply Nested JSON Deserialization Using Recursion and JavaScriptSerializer

by Hassan Alrehamy

JSON Deserialization in depth concept and Dictionary mapping. Special Thanks to Dr. Coral Walker

Deleting Multiple Rows in GridView in ASP.NET

by sourabhdev14

The GridView control in ASP.NET is used to represent information from a database in tabular format.

Email Sending Library

by Shailesh Pisat

Provides ready to use library for sending email using SMTP

Enumerate entries in TNSNames.ora using Oracle data provider class and DataSourceEnumerator

by Jana Sattainathan

There is an easier way to get the Oracle data source than custom-code a TNSNames.ora parser.

Execute a program in a second monitor

by apis3445

With C# and the Windows API, you can execute a program in a second monitor.

Execute System.Net.Sockets.Socket.Connect Method with Timeout Controlled by System.Threading.Timer

by JRINC

Connect to remote socket via System.Net.Sockets.Socket.Connect method with timeout controlled by System.Threading.Timer

Exploring the Behaviour of Property Grid

by Bhasker Kandpal

Exploring the behaviour and capabilities of a property grid control.

Export Gridview Data to Excel in ASP.NET

by AshishChaudha

This tip describes how to export data to an Excel file from a GridView.

Fast, simple Bitmap editor class

by Rui Jorge Carvalho

Fast and simple Bitmap processor...

Finding out which control caused the Postback

by sekharkaza

This code is very useful for those who want to know which aspcontrol has caused the postback.

Finite-Difference Model for the Thermal History of the Earth

by Yuri Heymann

Source code for the article titled "A Finite-Difference Model for the Thermal History of the Earth

Generic List Conversion

by DaveyM69

How to convert a generic List of derived types to a generic list of base types.

Generic TextBox UserControl With Validation

by Kundan Singh Chouhan

Simple technique to handle text input and validations in single control

Generic Thread Start

by DaveyM69

Starting a thread using a generic argument

Generic Thread Start

by supercat9

Another approach is to use a generic delegate-factory class. Essentially, the class has a field of generic type, a delegate field which accepts an argument of that type, an parameterless instance method which accepts an argument of that type and invokes the delegate with it, and a static method...

Getting the Office 2010 button like Gradient

by VallarasuS

Here is how you can achieve Gradients used in Office 2010 Buttons with a glow at the bottom.

Getting the Office 2010 button like Gradient

by adolfobarallobre

Here is code for an alternate:public class OfficeButton : Button{ public OfficeButton() : base() { } private Color mGradientGlowColorColor; // the Color field public Color GradientGlowColor // the Color property { get { return...

GoDaddy Email Form

by jp2code

Introduction...

Heart shaped Form in C# 2.0

by Brijesh Kr

Heart shaped Form in C# 2.0

by intrueder

My alternate uses the AddBezier method, and the size of the heart adjusts to the size of the form.private void Form1_Load(object sender, EventArgs e){ using(System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath()) { path.AddBezier(...

Hiding contents in ASP.Net user control designer

by atlaste

How to fix hiding controls in the Visual Studio user control designer

High performance C# byte array to hex string to byte array

by the retired

High performance C# byte array to hex string to byte array.

How to Bind Derived Type in MVC View

by Abhay@Accenture

How to bind Derived Type in MVC View

How to Delete a File or Folder to Recyclebin

by Anuraj Parameswaran

Delete a file or folder to Recyclebin using C#

How to Detect 64bit OS/Process on .NET 2.0 to 3.5

by Péter V

How to detect 64 bit/process on .NET 2.0 to 3.5

How to disable Autorun C#

by Brijesh Kr

How to disable Autorun C#

How To Hide Or Show .NET Tabs Programmatically

by KazMaxLtd

This article describes how to hide or show TabControl tabs at runtime

How To Hide Or Show .NET Tabs Programmatically

by Bernhard Hiller

That's far too obscure.All you need to do is store a reference to the TabPage instance which was removed from the TabPages collection of the TabControl. You may use the form where the TabControl is placed for that purpose.You could also create your own TabControl which has an extra property...

How to Host Windows Form in Windows User Control

by Aydin Homay

In the tip, I want to illustrate how to host windows form in windows user control

How to insert Data in SQL server via SqlDataSource in ASP.NET

by Sajid Asghar

How to insert Data in SQL server via SqlDataSource in ASP.NET

How to measure execution time with C#

by Dinesh Kr. Choudhary

Code that measures a time interval as you would measure the execution time of a task

How to Use Rijndael ManagedEncryption with C#

by Kees van Spelde

To encrypt or not to encrypt with C# .NET

How-To Convert a String Collection to a Multi-Enum Item Using TryParse

by BenScharbach

How-To Convert a String Collection to a Multi-Enum item using TryParse

IE10 and ImageButtons

by Arno1973

A fix for ImageButtons problem in IE10 when project is not 4.5

Image Re-sizing Utility

by VaibhavTiparadi

Re-sizing images to equalize the width & height

Implementing Dynamic ToolTips: Preventing SetToolTip stack overflow

by Alan N

Handling the Popup event raised by the System.Windows.Forms.ToolTip component would seem offer an ideal opportunity to alter the tooltip text to reflect an underlying change. Unfortunately the stack overflow caused by calling ToolTip.SetToolTip will soon put a stop to the attempt.The test...

Implementing Dynamic ToolTips: Preventing SetToolTip stack overflow

by William Winner

First, why would you want to change the ToolTip text during the PopUp? Why not hook the MouseHover of the control that you want to change the ToolTip? Dynamically setting the ToolTip does not require hooking the PopUp event.How about: public partial class Form1 : Form { ...

Include JavaScript Files with Automatic Versioning

by Hernán Hegykozi

Versioning file inclusion JavaScript by date of last modification

Iterative Fast Forward 1D DCT-II on MSIL

by Evgeny Pereguda

This is simple implementation of fast forward 1D DCT-II on MSIL which is generated at runtime.

LINQ: OrderBy with Complex Sort Key

by Andreas Gieriet

This is an alternative for "Sorting Strings based on the position of the block letter"

Listview Paging in C#

by Anand Gunasekaran

Listview Paging Feature to split the records of the listview in sevaral pages.

Load C# Class Instance or Structure from a byte[] Buffer

by Nick Yakov

How to can load a structure with unsafe coding and fill the structure using a byte array.

Mocking Event Handlers

by Yossi Yaari

A solution for monitoring Events called during test.

Modular IEnumerable Extensions

by LShep

This tip describes an IEnumerable extension method that allows you to select an item modulo Count()

Monte Carlo Simulation for Testing Cosmological Models

by Yuri Heymann

Source code for the paper titled "A Monte Carlo simulation framework for testing cosmological models"

Most Useful VS2013 Tricks and Shortcuts!!

by Pritam Deshmukh

This tip elaborates few useful tricks and shortcuts of VS 2013 mainly for professional edition (You can find them with Ultimate version too).

NanoXML - Simple and fast XML parser

by BrokenEvent

Simple and fast .NET XML parser without using System.Xml

Parallel Port Control with C# .NET 2.0

by Arman Aşçı

Parallel port data register control with C# .NET 2.0 and inpout32.dll.

Performing Insert, Update and Delete Operations using DetailsView Control in ASP.NET

by AshishChaudha

This tip describes the working of DetailsView for inserting a new record, updating and deleting the existing details of the user.

Populate TreeView from Simple "list"

by textorijum

How to SIMPLY populate TreeView from some sort of "list" variable / object / structure

Position a Windows Forms MessageBox in C#

by Thomas Daniels

A tip about how to set the position of a Windows Forms MessageBox in C#

Post Serialized Objects (Data) in ASP.NET

by ajaynarewade

This is helper class to post serialized objects (Data) to other page in asp.net.

PrettyXML (.NET Port)

by ednrg

This is a .NET port of a VBScript utility

PrettyXML (.NET Port)

by PIEBALDconsult

This is an alternative for "PrettyXML (.NET Port)"

ProcessRequest(System.Web.Http...

by Abid_Inamdar

Projectile Motion in Picturebox C#.Net

by Syed Ubaid Ali Jafri

Read machine IP,Username,Machine name and Domain

by unikoon

I plead not guilty, editing this in an attempt to slightly improve it has put my name under it all. I did not write this, all I did was add some comment lines. Luc Pattyn, 28-DEC-2009.This simple code displays how to get machine IP address, Current user name and logged in domain name. Also...

Read Windows Security Log

by unikoon

This Tip will show how to read the Windows Event Log (Security Log) in your PC.You have to use these two libraries for collecting and access to Event Log.using System.Net;using System.Diagnostics;I wrote security Log reading code on button Click event. In below code, I read Windows...

ref and out Parameters in C#

by yousafzai amazai

ref and out parameters in C#

Remove blank lines from code in Visual Studio

by Dave Paras

Remove blank lines from code in Visual Studio

by linebenchmark

Remove all blank lines, containing or not spaces:^:b*$\n

Remove blank lines from code in Visual Studio

by Ziv Nitzan

There is also a Visual Studio extention called CodeMaid that has a lot of cleaning options http://bit.ly/diMTaR

Rendering AltNETType (= .NET FreeType port) with OpenGL

by Demid Korneev

Example of AltNETType use in OpenGL

Replace HTML Tags From text/string Using regex

by Rajdeep Debnath

Replace all HTML tags from text/string

Resize form using GraphicsPath

by hari19113

This code will help us to reshape our Windows form.

Resize Images to Size Limit

by Philipp_Engelmann

This tip describes how to resize an existing image (e.g. uploaded by a user) so it does not exceed a defined size limit.

Resolving a hostname in C# and retrieving IP version 4 address

by Tyronne Thomas

Resolving a hostname in C#

Return Comma Separated String using SQL

by Yogesh Gulve

Return Comma Separated String using SQL

Run ASP.NET Website on Network through IIS 8.0

by PallavSingh

How to run a website on one PC to another PC through IIS 8.0

Running a Windows .NET application on Linux

by Nelson Kosta Souto

Running the same compiled assembly on Windows and Linux.

Scroll Synchronization

by immortalus

This is an alternative for "Scroll Synchronization"

Scrolling Text

by Andrew Rissing

A function to generate an endless collection of scrolling text for your use/amusement.

Serialize/Deserialize any object to an XML file

by akramKamal

Code to serialize/deserialize any object to an XML file.

Service Locator Pattern

by Gautham Prabhu K

Creating and using Service Locator pattern

Setting Null Binary Values In The Registry With C#

by Ed Gadziemski

How to set a null binary value (zero-length binary value) in the registry from your C# program.

Shortcut for format code file with proper spacing or tab

by Dave Paras

Shortcut for format code file with proper spacing or tab

by Prerak Patel

Here you'll fine many more..http://www.codinghorror.com/blog/files/Visual%20Studio%20.NET%202005%20Keyboard%20Shortcuts.htm[^]

Shortcut for format code file with proper spacing or tab

by Behzad Talebpour

Alternatively, you can erase your closing bracket (}) and VS will format the whole block (between opening & closing bracket). This works only if there is no syntax error in that block.

Showing File Upload Progress to the user using UpdatePanel control in ASP.NET

by AshishChaudha

This article describes the working of fileupload inside an updatepanel and showing the file upload progress to the user.

Simple Error Logging Util Class

by Pasan Eeriyagama

Simple Application Error Logging

Simple Password Generator

by Sergey Morenko

Simple password generator, based on alphabets

Software Table

by Shubham Choudhary

This software allows you show table (multiplication) of any digit.

Some of the Anti Patterns

by Atulkumar P Patel

Anti Patterns are wrong practice followed by Developers. They are opposite to Design Patterns.

Sorting Strings based on the position of the block letter

by piyush_singh

Strings literals are sorted on the basis of the position of the first occurrence of a block letter inside it

Sorting Strings Based on the Position of the Block Letter

by PIEBALDconsult

This is an alternative for "Sorting Strings based on the position of the block letter"

Steps: Check-in/Check-Out Mechanism for TFS - To Avoid Build Errors and Improve Productivity

by Mohammed Hameed

Check-in/Check-Out mechanism for TFS - To avoid Build errors and improve productivity.

StringFormat Methods with string keys

by Maxim Fedotov

Presents StringFormat methods with string (not integer) keys in 'format' string.

Strongly Typed Stored Procedures for .NET

by dibley1973

Call stored procedures in a type safe way using my StoredProcedureFramework for .NET

Supporting Contravariance in Generic Types, .NET 2.0

by wmjordan

Generic Lists or Generic Types contravariance without casting.

Time in HH:MM:SS format form the second

by Pranay Rana

Following is code by which you get time in (HH:SS:MM) formate by passing second as argument public string getFormattedTimeFromSecond(double second) { TimeSpan t = TimeSpan.FromSeconds(second); string formatedTime = string.Format("{0:D2}H:{1:D2}M:{2:D2}S", ...

Tip/Trick to handle Oracle 9i error “ORA-01401: inserted value too large for column or ORA-01438: value larger than specified precision allowed...

by Reddy Prakash

Hi All,We know that Oracle is no longer supporting Oracle 9i version. By this time all users have migrated to the latest versions. But still I want to give this tip/trick for those who are still using Oracle 9i as database.In this article I am gonna explain how to handle the Oracle error...

Transparent Database Encryption Tool

by Tauseef M

This tool is used for Encryption of Database in SQL Server 2008 Enterprise Edition

Trick when using Array.Contains()

by Kiran Sonawane

A trick when using Array.Contains()

Trick when using Array.Contains()

by Ctznkane

The Array class already contains this capability with no casting required. The IndexOf method is a static one that returns the index of the value and a -1 if it doesn't exist.Here is an example:exists = Array.IndexOf(arr, "item") >= 0

Turn an Enum into a Simple State Machine

by LShep

Turn an Enum into a simple state machine via a generic wrapper and modular increment methods

Unicode to Krutidev, Krutidev to Unicode Convertor in C#

by AnuragTripathi

Convertor for Unicode to Krutidev and vice-versa.

User Session in ASP.NET

by Deepak Kr Choudhary

This article is about the session use in ASP.NET.

Using Extension Methods in .NET 2.0 SP2

by wmjordan

Compile extension method targeting .NET 2.0 only

Using Visual Studio Macros for Creating NHibernate Mapping file and Entity class

by Santx - Santosh

Visual Image Cryptography Generator

by Jacky Yiu

Visual cryptography is a cryptographic technique which allows visual information (pictures, text, etc.) to be encrypted in such a way that the decryption can be performed by the human visual system, without the aid of computers.

Web-based Data Access Object

by In the Face of God

Generalize to access data in a database via HTTP

Whats My IP Address ?

by Koshy Panicker John

Different Method(s) to Find IP Address?

Whats My IP Address ?

by Mohammad A Rahman

namespace IpAddresses{ using System; using System.Collections.Generic; using System.Linq; using System.Net; class Program { static void Main(string[] args) { GetIPAddresses().ForEach(ip => Console.WriteLine(ip)); } ...

Whats My IP Address ?

by Archimedes24

I find this useful:Dim st As System.IO.StreamDim sr As System.IO.StreamReaderDim req As System.Net.WebRequest = System.Net.WebRequest.Create("http://www.whatismyip.com/automation/n09230945.asp")Dim resp As System.Net.WebResponse = req.GetResponsest = resp.GetResponseStreamsr =...

Whats My IP Address ?

by Anshul R

Private Sub GetIPAddress()Dim strHostName As StringDim strIPAddress As StringstrHostName = System.Net.Dns.GetHostName()strIPAddress = System.Net.Dns.Resolve(strHostName).AddressList(0).ToString()MessageBox.Show("Host Name: " & strHostName & "; IP Address: " &...

Whats My IP Address ?

by nlarson11

On Vista/Win 7, I have seen code where only a single period is returned for (0). This makes sure you get the actual IP regardless of the system.Const IPPattern As String = "^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$"With Dns.GetHostEntry(System.Environment.MachineName) Return...

Whats My IP Address ?

by Dinesh Kr. Choudhary

protected void Page_Load(object sender, EventArgs e){ HttpBrowserCapabilities bc = Request.Browser; Label1.Text = "IP Address=" + Request.UserHostAddress;}

Whats My IP Address ?

by RayD111

Dim ipE As System.Net.IPHostEntry = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName) Dim AL As Array = Dns.GetHostEntry(vWrkStn).AddressList Dim A As IPAddress For Each A In AL If A.AddressFamily = Sockets.AddressFamily.InterNetwork Then ...

Which is better Constant [Comparison Operator] Variable Value or Variable Value [Comparison Operator] Constant? An introduction to Yoda Condition

by Niladri_Biswas

In this tip we will figure out the importance of Yoda style in programming

WPF C# / VB.NET Additional (fourth) button on window titlebar (Aero only!)

by Emiliarge

Using WindowChrome from Microsoft.Windows.Shell.dll

XML Serialization and Deserialization

by Md. Rashim Uddin

XML Serialization and Deserialization in c#

Xml-WebService Array Parameters

by Praveen Kumar Chauhan (PRK)

Sending Data Through XML to web Services