1. 解释什么是public async Task在C#中的含义 在C#中,public async Task定义了一个异步方法,它返回一个Task对象。Task类是.NET Framework中用于表示一个异步操作的类。使用async关键字表示该方法内部将包含异步操作,并允许使用await关键字等待异步操作的完成。 2. 提供一个简单的public async Task方法示例 csharp ...
public async Task<IActionResult> OnPostAsync() { /// more code /// Inside of the method I cannot use:复制 string pic = Request.Form["Upload"]; // does not work if (pic == null)... /// tried if (string.IsNullOrEmpty(pic) ... // however I can use if (Upload == null).....
public async Task OnPostAsync() Article 05/01/2020 QuestionFriday, May 1, 2020 4:48 PMI am working with some generated code, had to modify it for image upload. And I am more used to something like this:Copy public void OnPost() { string petid = Request.Form["petid"]; string ...
public async Task<string> SaveAs(string destinationDir = null){if (this.file == null)throw new ArgumentNullException("没有需要保存的文件");if (destinationDir != null)Directory.CreateDirectory(destinationDir);var newName = DateTime.Now.Ticks;var newFile = Path.Combine(destinationDir ?? "", $"...
}publicasyncTask<bool>AddItemAsync(TodoItem newItem) { newItem.Id=Guid.NewGuid(); newItem.IsDone=false; newItem.DueAt= DateTimeOffset.Now.AddDays(3);await_context.AddAsync(newItem);varsaveResult =await_context.SaveChangesAsync();returnsaveResult ==1; ...
public async TaskUserInfoCRUD { // 创建一个新用户 var newUser = new UserInfo { Name ="daydayup", Age = 28, Email ="daydayup@example.com"}; await _repository.AddAsync(newUser); await _repository.SaveChangesAsync; // 更新用户信息
public async Task ReceiveData(string data) { ItemValueModel item = JsonConvert.DeserializeObject<ItemValueModel>(data); await Clients.All.receiveData(item); } } 1. 2. 3. 4. 5. 6. 7. 8. 完成以上工作后,启动服务端,然后依次启动采集端(OPCClient)和客户端(Unity3D),看到跳动的数字就说明成功了...
public void acquireTokenSilentAsync( @NonNull final AcquireTokenSilentParameters acquireTokenSilentParameters) Perform acquire token silent call. If there is a valid access token in the cache, the sdk will return the access token; If no valid access token exists, the sdk will try to find ...
public void acquireTokenSilentAsync( @NonNull final AcquireTokenSilentParameters acquireTokenSilentParameters) Perform acquire token silent call. If there is a valid access token in the cache, the sdk will return the access token; If no valid access token exists, the sdk will try to find a refr...
Task<AuthenticationResult> Authentication result containing a token for the requested scopes and account Implements AcquireTokenAsync(IEnumerable<String>, String, Prompt, String, IEnumerable<String>, String) Attributes ObsoleteAttribute Applies to Microsoft Authentication Library for .NET (MSAL.NET) latest...