[英]Cannot add class to aspx.cs file
我的網站項目中有2個文件Translator2.aspx和Translator2.aspx.cs。 我想將新類(Erwin:Translator2)添加到我的Translator2.aspx.cs文件中。 但是,這是這樣的錯誤:
嚴重性代碼說明項目文件行抑制狀態
錯誤“ translator2_aspx”不包含“ Switch”的定義,找不到擴展方法“ Switch”接受類型為“ translator2_aspx”的第一個參數(您是否缺少using指令或程序集引用?)
C:\\ Users \\ erwin.surya \\ Documents \\ Visual Studio 2017 \\ WebSites \\ WebSite1 \\ Translator2.aspx 33
這是我的Translator2.aspx代碼:
<%@ Page Language="C#" Async="true" AutoEventWireup="true" CodeFile="Translator2.aspx.cs" MasterPageFile="~/Site.Master" Inherits="Translator2" %>
<asp:Content runat="server" ID="BodyContent" ContentPlaceHolderID="MainContent">
<div class="form-group">
<asp:Label runat="server" AssociatedControlID="English" CssClass="col-md-2 control-label">English</asp:Label>
<div class="col-md-10">
<asp:TextBox Height="79px" TextMode="MultiLine" Width="452px" runat="server" ID="English" CssClass="form-control" />
</div> </div>
<div class="col-md-offset-2 col-md-10">
<asp:Button runat="server" OnClick="Submit" Height="39px" Width="100px" Text="Translate" CssClass="btn btn-default" />
</div>
<div class="col-md-offset-2 col-md-10">
<asp:Button runat="server" OnClick="Switch" Height="39px" Width="100px" Text="Switch" CssClass="btn btn-default" />
</div>
<br /><br /><br />
<div class="form-group">
<asp:Label runat="server" AssociatedControlID="Japanese" CssClass="col-md-2 control-label">Japanese</asp:Label>
<div class="col-md-10">
<asp:TextBox Height="79px" TextMode="MultiLine" Width="452px" runat="server" ID="Japanese" CssClass="form-control" />
</div></div>
<br /><br />
<asp:PlaceHolder runat="server" ID="ErrorMessage" Visible="false">
<p class="text-danger">
<asp:Literal runat="server" ID="FailureText" />
</p>
</asp:PlaceHolder>
</asp:Content>
這是我的Translator2.aspx.cs代碼:
partial class Translator2 : Page
{
public async void Submit(object sender, EventArgs e)
{
string key = "92fcf1387f844a8";
var authTokenSource = new AzureAuthToken(key.Trim());
string authToken;
try
{
authToken = await authTokenSource.GetAccessTokenAsync();
}
catch (HttpRequestException)
{
if (authTokenSource.RequestStatusCode == HttpStatusCode.Unauthorized)
{
Console.WriteLine("Request to token service is not authorized (401). Check that the Azure subscription key is valid.");
return;
}
if (authTokenSource.RequestStatusCode == HttpStatusCode.Forbidden)
{
Console.WriteLine("Request to token service is not authorized (403). For accounts in the free-tier, check that the account quota is not exceeded.");
return;
}
throw;
}
string output = "";
string text = English.Text;
string uri = "https://api.microsofttranslator.com/v2/Http.svc/Translate?text=" + HttpUtility.UrlEncode(text) + "&from=" + "en" + "&to=" + "ja";
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(uri);
httpWebRequest.Headers.Add("Authorization", authToken);
using (WebResponse response = httpWebRequest.GetResponse())
using (Stream stream = response.GetResponseStream())
{
DataContractSerializer dcs = new DataContractSerializer(Type.GetType("System.String"));
string translation = (string)dcs.ReadObject(stream);
Console.WriteLine("Translation for source text '{0}' from {1} to {2} is", text, "en", "ja");
Console.WriteLine(translation);
output = translation;
}
Japanese.Text = output;
}
class Erwin : Translator2
{
string from, to;
public void SwapStrings(string s1, string s2)
{
string temp = s1;
s1 = s2;
s2 = temp;
from = s1;
to = s2;
testing.Text = from;
testing1.Text = to;
}
protected void Switch(object sender, EventArgs e)
{
string str1 = testing.Text;
string str2 = testing1.Text;
System.Console.WriteLine("Inside Main, before swapping: {0} {1}", str1, str2);
SwapStrings(str1, str2);
}
}
您知道為什么我不能添加Erwin:Translato2類嗎? 在添加課程之前,一切正常。 我錯過了什么?
Switch
方法與為aspx頁面提供動力的類位於不同的類中。 如果要將switch用作某種實用程序方法,則應在一個完全獨立的文件(Erwin.cs)中創建一個新類(也許是Erwin
),並在其中包含一個公共的並且可能是靜態的switch
方法。 我還注意到switch
不會返回任何內容,因此不確定您要用它完成什么。
按鈕的OnClick
處理程序應位於后面的代碼中-即Translator2
類中。 在此處理程序內,您可以調用Erwin.Switch()
。
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