Recent questions tagged C#

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c# - Method for handling exceptions in mstest

I have a lot of tests writen in this format: [TestMethod] public void TestMethod1() { try { DoShomething(); } ... ideia about what I could do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Use of unassigned local variable - if statements

I'm doing the following block of code and the compiler is complaining about unassigned local variables and could use ... issue also. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Oddly drawn GraphicsPath with Graphics.FillPath

I have written some code which creates a rounded rectangle GraphicsPath, based on a custom structure, BorderRadius (which ... = all; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Network connection with UWP Apps

I got two Windows UWP Apps. One of them (the "server") is running on a Raspberry Pi 2 on Windows IoT ( ... sockets etc. Thanks for any help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Is there a way to customize the tool tip of a custom object in the VS Debugger?

Say you have a custom class call it Foo. When you then have an instance of this class, during debugging, if you ... what the tool tip will say? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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448 views

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c# - Get the excel cell address from a UDF

I have created an Automation Add-in for Excel,implemented as a c# class library, which contains a UDF wrapper. ... alternative to that. Thanks, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - .NET 5 GRPC client call throws exception: Requesting HTTP version 2.0 with version policy RequestVersionOrHigher while HTTP/2 is not enabled

This is my first gRPC application. I'm attempting to invoke a server-streaming RPC call from a .NET 5 gRPC client ... and how do I resolve it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to query for terms IN a collection using Lucene.Net, similar to SQL's IN operator?

We are trying to search whether documents have a particular field value in a collection of possible values, field: ... possible in Lucene.Net? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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678 views

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c# - WebBrowser Copy Image to Clipboard

I'm using a WebBrowser control and want to copy a particular image on the web page to the clipboard. I am ... . Any help is much appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - WinForms DataGridView - update database

I know this is a basic function of the DataGridView, but for some reason, I just can't get it to work. I ... 0 of the expected 1 records." See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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612 views

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c# - ef code first: get entity table name without dataannotations

Is there a way to get table info defined with DbModelBuilder? something like: entity.GetType().GetTableName() Max EDIT: ... where id in (...)" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

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c# - Json.Net and validation of Enums in Web API

I'm writing a web api in .Net Core 2.2. I have an enumeration as follows: using System.Runtime.Serialization ... only "Some Value" valid? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

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c# - unable to edit DataGridView populated with results of LINQ query

When i use the results of a linq-to-xml query to populate a datagridview, i cannot edit the ... ; myDataGridView.DataSource = myBindingSource; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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465 views

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c# 3.0 - C#3.0 Automatic properties with extra logic

How can I rewrite he following code using C#3.0 automatic properties? private int _myValue; public int MyProperty ... What is the alternative? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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387 views

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c# - ASP.NET 5 Kestrel connect within LAN

I would like to connect to my Kestrel server with ASP.NET 5 application hosted on it from another PC in the same ... ://{my_kestrel_ip}:5000/"). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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471 views

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c# - Reading writing WAV/RIFF Tags

I'm writing a simple audio recording utility which I want also to be able to tag the resulting files with ... writing metadata to FLAC files? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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500 views

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c# - mocking session variable in unit test using Moles

Method I am unit testing checks for a session variable like if(Session["somevar"] != null) { // rest ... Thanks and appreaciate lot your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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487 views

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c# - How to get the PIDL of an open explorer window?

I know how to get all open explorer windows, using Microsoft Internet Controls COM library. From this, I am able ... any way to retrieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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c# - How to specify range >2GB for HttpWebRequest in .NET 3.5

I'm building this class to download files in parts/sections/segments. In .NET 4.0, I can use this code to ... on HttpWebRequest in .NET 3.5? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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c# - How to dynamically add controls to a WrapPanel in another class?

I'm migrating from VB to C# and decided that WPF would be the best option for me as the programs I've been ... example to help me on my way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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418 views

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c# - FormView.FindControl(): object reference error

I have a formview that has several textboxes inside of tr/td's. I'm trying to get the textboxes by ... </EditItemTemplate> </asp:FormView> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

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c# - WP7: Why does a ListBox.ItemsPanel break my ElementName data binding?

I have a Windows Phone 7 ListBox that binds to a list of integers. I am using the default MVVM Light ... that ItemsPanel break the databinding? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Process output redirection on a single console line

I am writing a C# application that can launch third party command line executables and redirect their standard output to ... or the same line? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

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c# - entity framework - many to many relationship

Hi I try use Many to Many relationship with EF Fluent API. I have 2 POCO classes. public class Project { ... schema. It is correct bevahior? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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346 views

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c# - Datatype returned varies based on data in table

I have a table with two column - [security_role_name] and security_role_cd . Datatype for security_role_cd is smallint ... table using ADO.NET? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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588 views

1 answer

c# - Weighted random selection using Walker's Alias Method

I was looking for this algorithm (algorithm which will randomly select from a list of elements where each element ... F# please post your code See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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734 views

1 answer

c# - Increase Font Size of DateTimePicker Calender in Win7 Aero Theme

I want to change the font size of calender control in Win7 to make it touch screen compatible. The theme in my ... , int height, bool repaint); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

1 answer

c# - Problems with mvvmcross Binding on IOS (Works on Simulator, but some properties doesn't work on the Device)

The problem consists on the binding to a UIBarButtonItem, the code works on Simulator, but on the device the property ... t make this work...) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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