利用ASP.NET WebClient的UploadData來做一個C#與VB.Net Code Convert的小程式

2008-03-25

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ASP.NET

由上篇文章"利用ASP.NET WebClient的UploadData來做一個自動登入網頁的小程式"

小弟再寫一個簡單的應用...C#與VB.Net程式碼相互轉換的小程式......

ps.主要轉換的程式碼是由 http://labs.developerfusion.co.uk/convert/vb-to-csharp.aspx 提供

c#範例

PostData.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="PostData.aspx.cs" Inherits="PostData" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>PostData</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" runat="server" Height="200px" TextMode="MultiLine" Width="450px"></asp:TextBox>
        <br />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Convert to C#" Width="150px" /><br />
        <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="Convert to VB.Net"
            Width="150px" /></div>
        <asp:Literal ID="Literal1" runat="server"></asp:Literal>
    </form>
</body>
</html>

PostData.aspx.cs

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Net;

using System.Text;

public partial class PostData : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

string uriString = "http://labs.developerfusion.co.uk/convert/vb-to-csharp.aspx";

string postString = string.Format("__EVENTTARGET={0}&__EVENTARGUMENT={1}&__VIEWSTATE={2}&ctl00$MainContent$inputData={3}&ctl00$MainContent$convertButton={4}"

, System.Web.HttpUtility.UrlEncode("")

, System.Web.HttpUtility.UrlEncode("/wEPDwUKLTQ4ODQ1NDQ4NGRk7jrSxhPLjdn6xu+BR4zberNdzgE=")

, System.Web.HttpUtility.UrlEncode(this.TextBox1.Text)

, "Convert to C#");

WebClient webClient = new WebClient();

webClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded");

byte[] postData = Encoding.Default.GetBytes(postString);

byte[] responseData = webClient.UploadData(uriString, "POST", postData);

string srcString = Encoding.Default.GetString(responseData);

string start = "<p>Here's your C# code, ready to go!</p>";

string end = "<h3>Want more code converted?</h3>";

int sValue = srcString.IndexOf(start) + start.Length;

int eValue = srcString.IndexOf(end);

this.Literal1.Text = srcString.Substring(sValue,eValue-sValue);

}

protected void Button2_Click(object sender, EventArgs e)

{

string uriString = "http://labs.developerfusion.co.uk/convert/csharp-to-vb.aspx";

string postString = string.Format("__EVENTTARGET={0}&__EVENTARGUMENT={1}&__VIEWSTATE={2}&ctl00$MainContent$inputData={3}&ctl00$MainContent$convertButton={4}"

, System.Web.HttpUtility.UrlEncode("")

, System.Web.HttpUtility.UrlEncode("/wEPDwUKLTQ4ODQ1NDQ4NGRkknu4ck9G6DCqEGGoSnbtmn0fRYM=")

, System.Web.HttpUtility.UrlEncode(this.TextBox1.Text)

, "Convert to VB.NET");

WebClient webClient = new WebClient();

webClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded");

byte[] postData = Encoding.Default.GetBytes(postString);

byte[] responseData = webClient.UploadData(uriString, "POST", postData);

string srcString = Encoding.Default.GetString(responseData);

string start = "<p>Here's your VB.NET code, ready to go!</p>";

string end = "<h3>Want more code converted?</h3>";

int sValue = srcString.IndexOf(start) + start.Length;

int eValue = srcString.IndexOf(end);

this.Literal1.Text = srcString.Substring(sValue, eValue - sValue);

}

執行結果：

參考網址：http://www.dotblogs.com.tw/puma/archive/2008/03/24/2035.aspx

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