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c# add System.Web.dll

How can i add  c# add System.Web.dll

the error show
Error      1      The name 'HttpUtiltity' does not exist in the current context      C:\Users\¿¿¿7\AppData\Local\Temporary Projects\WindowsFormsApplication1\Form1.cs      28      21      WindowsFormsApplication1

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Web;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string searchString = "song naran"; //or some value retrieved from a form

            System.Diagnostics.Process.Start(
                @"E:\Program Files\Mozilla Firefox\firefox.exe",
                String.Format(
                    "http://www.bing.com/search?q={0} http://search.yahoo.com/search?p={0}",
                    HttpUtiltity.UrlEncode(searchString)));



        }
    }
}

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systemweb.png
0
teera
Asked:
teera
3 Solutions
 
james-ct16Commented:
Howdy
Are you building this project against a Client Profile version of the .net framework if so System.Web is not included in the profile.

To check this simply select the project, right click and select properties, on the application tab there is the target framework, try switching this to framework 4 opposed to framework 4 client profile.

Hope that helps

James
0
 
roxviperCommented:
Hi,

Please select it from add reference dialog
0
 
Carl TawnSystems and Integration DeveloperCommented:
Since yuo are creating a WinForms application, System.Web isn't included by default.

Right-click your project, choose "Add Reference". In the dialog that appears, scroll down to System.Web; select it and hit "OK".
0
 
ricovoxCommented:
To add to what carl_tawn said:

System.Web isn't included by default.
Right-click your project, choose "Add Reference".
In the dialog that appears, scroll down to System.Web; select it and hit "OK".

Make sure that you are on the ".NET" tab in the "Add Reference" dialog.
0
 
teeraAuthor Commented:
thank you
0
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