Recent questions tagged C#

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c# - Drawing outside of column area in listview column header

Is it possible to ownerdraw the entire column header section of a listview? (including the region to the right of ... have a solution for 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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312 views

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c# - How do I share an observable with publish and connect?

I have an observable data stream that I am applying operations to, splitting into two separate streams, ... observable with both subscribers? See Question&Answers more detail:os...

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

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477 views

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c# - Execute task with the CurrentCulture set to the Task creator CurrentCulture

I've an application where we use Tasks. We also modified the cultureInfo(we use the EN-US language, but keep ... task.TaskWorker); } Any idea? 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 log method calls on targets marked with an attribute?

Is it possible to inject Loggin behaviour to the marked classes or/and methods like this: Log("Method {0} started ... for tasks like this one? 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# - Insert page into existing PDF using itextsharp

We are using itextsharp to create a single PDF from multiple PDF files. How do I insert a new page into a ... (pageImport); } pdfCopy.Close(); 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# - Visual studio TEST missing from the main menu

After updating to visual studio 2013, update 4, the TEST option is missing from my screen, I thought Visual Studio ... COMMAND, it is not there. See Question&Answers more detail:os...

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

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439 views

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c# - check content of string input

How can I check if my input is a particular kind of string. So no numeric, no "/",... See Question&Answers more detail:os...

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

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970 views

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c# - Microsoft.Office.Interop.Outlook.Items.Restrict - not working correctly

I can pull email, walk through them, mark them as read, even sort. However, when I tried to restrict ... from = item.SenderEmailAddress; } See Question&Answers more detail:os...

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

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481 views

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c# - Entity Framework 5 Invalid Column Name error

I'm currently writing a billing application using EF 5 Code First, and I'm running into an error when I'm ... FKs. They are just plain fields. See Question&Answers more detail:os...

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

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501 views

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c# - lambda as default argument

I was looking for an anwer to question Get next N elements from enumerable didn't find any satisfying and brewed my ... if I switched T and R? See Question&Answers more detail:os...

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

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425 views

1 answer

c# - Changing text of an autogenerated select column of a gridview in asp.net - How?

I would like to change the text of the autogenerated "select" column in an ASP.NET GridView control. The text ... there an easier better 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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448 views

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c# - Why does impersonating a process return "The directory name is invalid"?

I have a process that needs to run under administrative privileges. I need the average joe to run the process, ... directory name is invalid." See Question&Answers more detail:os...

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

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645 views

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c# - WPF TextBlock text Binding

the TextBlock binding does not work and I cant figure why... (This Code Works but the TextBlock does ... (propertyName)); } } See Question&Answers more detail:os...

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

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410 views

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c# - Preventing SQL Injection on ASP.NET Web Application

I am new to C# and ASP.NET. I am using VS2005 C# and SQL Server 2005 and have done some research on ... examples given would be good as well. 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# - Upcasting and generic lists

I have the following class hierarchy: public abstract class BaseData { //some properties } public class CoData : ... <BaseData>().ToList(); See Question&Answers more detail:os...

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

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552 views

1 answer

c# - Why double.Parse("0.05") returns 5.0?

I am reading a value from my App.config; which is: <add key="someValue" value="0.05"/> And I try to ... do wrong and how should I parse 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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485 views

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c# - Why garbage collector takes objects in the wrong order?

I have an application with two classes, A and B. The class A has inside a reference to class B. The destructors of ... ~B() { this.Dispose(); } See Question&Answers more detail:os...

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

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630 views

1 answer

c# - Change color in part of text in textblock

I need change color in code behind for part of text string.. My exaple: textblock1.Text = string1 + string2 ... . Its possible? Thank you! See Question&Answers more detail:os...

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

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812 views

1 answer

c# - ASP .NET MVC How to increase the width of an inputfield with @Html.EditorFor

I just cant fix something that seems so easy. I want a textbox (editorfor) for a model property and I would like to ... /label> </div> </div> } See Question&Answers more detail:os...

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

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709 views

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c# - Arabic text box

I have developed a web site: Some fields are entered in English while others are entered in Arabic language. Now i ... what ever to do that... See Question&Answers more detail:os...

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

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435 views

1 answer

c# - Consume WCF service in Xamarin Cross Platform Application

I have created a WCF service that retrieves data from SQL database and can update and modify data into SQL ... holo_purple" /> </LinearLayout> See Question&Answers more detail:os...

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

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314 views

1 answer

c# - TFS 2012 API Set TeamSettings Programmatically

Is it possible to set the TeamSettings Programmatically? var teamConfig = _tfs.GetService< ... set programmatically? See Question&Answers more detail:os...

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

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564 views

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c# - ToString("D3") is not working

double Cost = 0.03; var ttt = Cost.ToString("D3"); and System.FormatException: Format specifier was invalid ... aspx#DFormatString Says it's ok? See Question&Answers more detail:os...

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

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421 views

1 answer

c# - Why string.Replace("X","Y") works only when assigned to new string?

I guess it has to do something with string being a reference type but I dont get why simply string.Replace("X" ... work but b.Replace does not? See Question&Answers more detail:os...

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

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315 views

1 answer

c# - extracting method name from linq expression

How can I get the name of the first method called from an expression in C#? Something like the fictional MethodUtils ... doing this in the BCL. See Question&Answers more detail:os...

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

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697 views

1 answer

c# - Send email using Outlook.com SMTP

I am trying to send an automated email using Outlook.com smtp support. However I am get the following exception: System ... ); return false; } } See Question&Answers more detail:os...

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

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470 views

1 answer

c# - How to get a list of the fields in an XFA form?

I am trying to get a simple list of all the fields in my XFA form. I am using this code: private void ... I am doing wrong? Thanks in advance 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

1 answer

c# - Deserializing with Json.NET: Requiring a property/key to be present

When using Json.NET to deserialize a JSON string into an object, how do I require a key/property to be present ... an ASP.NET Web API project. See Question&Answers more detail:os...

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

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