Hi,
any body can me how to post below form information using Http web request.

	 
 
 
 
 
 
 
 
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                    .wrapper
                    {
                        width:25.5%; 
                        float:left; 
                        font-size:0.7em; 
                        margin-right:5.5%; 
                        text-align:left;
                    }
                    .wrapper p
                    {
                        width:0px;
                        margin:0px;    
                    }
                 
                
                   
                    
                                
                    
                    
                
                
 
                    
 
                        
 
                            
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Check below link
http://dotnetslackers.com/Community/blogs/haissam/archive/2008/05/19/authenticate-users-via-post-request.aspx
 
Haissam Abdul Malak
MCAD.NET
| Blog |

Hi Singhrajankr,
You can use HttpWebRequest and HttpWebResponse as well as some other network I/O code  to implement it.
Please refer the following link.
using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Net;
public class WebPageReader
{
    /**/
    /// <summary>
    /// cookie
    /// </summary>
    private CookieCollection _Cookies = new CookieCollection();
    /**/
    /// <summary>
    /// to keep the same session
    /// </summary>
    private CookieContainer cookieContainer = new CookieContainer();
    /**/
    /// <summary>

    private bool isKeepAlive = false;
    public bool IsKeepAlive
    {
        get { return isKeepAlive; }
        set { isKeepAlive = value; }
    }
 
    public string GetHTML(string URL)
    {
        return GetHTML(URL, "", System.Text.Encoding.ASCII);
    }
    public string GetHTML(string URL, string PostData)
    {
        return GetHTML(URL, PostData, System.Text.Encoding.ASCII);
    }
    public string GetHTML(string URL, System.Text.Encoding encoding)
    {
        return GetHTML(URL, "", encoding);
    }
    /**/
    /// <summary>
    /// </summary>
    /// <param name="URL"></param>
    /// <param name="PostData"></param>
    /// <param name="encoding"></param>
    /// <returns></returns>
    public string GetHTML(string URL, string PostData, System.Text.Encoding encoding)
    {
        isKeepAlive = false;
        string _Html = "";
        HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL);
        request.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/msword, application/x-shockwave-flash, */*";

        if (_Cookies.Count > 0)
        {
            request.CookieContainer.Add(new Uri(URL), _Cookies);
        }
        else
        {
            request.CookieContainer = this.cookieContainer;
        }
        //submit the data
        if (PostData != null && PostData.Length > 0)
        {
            request.ContentType = "application/x-www-form-urlencoded";
            request.Method = "POST";
            byte[] b = encoding.GetBytes(PostData);
            request.ContentLength = b.Length;
            using (System.IO.Stream sw = request.GetRequestStream())
            {
                try
                {
                    sw.Write(b, 0, b.Length);
                }
                catch (Exception ex)
                {
                    throw new Exception("Post Data Error!!", ex);
                }
                finally
                {
                    if (sw != null) { sw.Close(); }
                }
            }
        }

        HttpWebResponse response = null;
        System.IO.StreamReader sr = null;
        try
        {
            response = (HttpWebResponse)request.GetResponse();
            _Cookies = response.Cookies;
            sr = new System.IO.StreamReader(response.GetResponseStream(), encoding);
            _Html = sr.ReadToEnd();
        }
        catch (WebException webex)
        {
            if (webex.Status == WebExceptionStatus.KeepAliveFailure)
            {
                isKeepAlive = true;
            }
            else
            {
                throw new Exception("DownLoad Data Error", webex);
            }
        }
        catch (System.Exception ex)
        {
            throw new Exception("DownLoad Data Error", ex);
        }
        finally
        {
            if (sr != null) { sr.Close(); }
            if (response != null) { response.Close(); }
            response = null;
            request = null;
        }
        return _Html;
    }
}
Please check the following link.
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2456794&SiteID=1
http://www.codeguru.com/csharp/.net/net_asp/miscellaneous/article.php/c12883
 
Sincerely,
Hua Jun Li
Please remember to mark the replies as answers if they help and unmark them if they provide no help.