Recent questions tagged C#

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c# - Math.Round not keeping the trailing zero

I need all values to rounded to two decimal places. So 1.401 should round to 1.40, but Math.Round(value, ... How can I force the trailing zero? 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# - MySql.Data.MySqlClient.MySqlException: Timeout expired

In recent times, a particular page in my web app throws the Exception Details: MySql.Data.MySqlClient.MySqlException: ... cause of the problem? 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 replace forward slash with backward slash

i have a string /Images/Me.jpg i want to replace forward slashes with backward slashes like this ImagesMe.jpg, ... \Images\Me.jpg please 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# - Deserialize Dynamic Json string using Newtonsoft JSON.NET

I have a JSON string that I'm getting from Facebook API, in which I have a node whose name changes ... type and ids inside these nodes. 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# - jQuery AutoComplete multiple Output

I am using jQuery AutoComplete to fetch results from a DataBase based on the value inputted. The user will then ... array; return cmpList; } } 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 LinqToSQL powerful enough? Isn't a more powerful but equally fluent interface easy to construct?

In a previous question, I asked whether ORM libraries were suboptimal solutions and received a lot of great feedback. ... best of both worlds. 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 Convert String to Byte Array?

I am getting an error reading: Cannot implicitly convert type 'String' to 'Byte[]' I think 'byte[]' is ... ); PS3.SetMemory(0x2708238, bytes); 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# - Webforms to Winforms

I am what I would consider a very experienced web developer, not to mention programmer in general. One ... good software design principles. 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# - Binding data in LongListSelector

I am referring to the example here : http://dotnet.dzone.com/articles/using-longlistselector-control Here is my code ... . What is wrong here ? 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# - LEFT OUTER JOIN 2 datatables

I'm trying to understand how to query, preferably with LINQ, 2 datatables. I would like to do a LEFT OUTER ... I have? Thank you 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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c# - What is the best way to publish multiple versions of the same ClickOnce application?

I have a c# ClickOnce application that I need to be able to publish multiple times for OEM purposes. The way I ... to make this happen. 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# - How do I check whether a WP8 device uses wifi, mobile plan or roaming to load data

I plan to load only as much data as required in my app. Which means, that when the data is loaded via Wifi, I ... . Is there any way to do 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# - validating textbox in windows form application

how to validate the textbox without allowing spaces in windows form application using C#.net in my project .i can validate ... ........... 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 make a generic class with inheritance?

How can I make the following code work? I don't think I quite understand C# generics. Perhaps, someone can point me ... ).OfType<A>().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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c# - CyberSource on Azure

To do a request with CyberSource service you have to append .p12 certificate in request. Classic way of appending( ... , this is correct 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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c# - Using "Hole in the Middle" pattern

I just came across the "Hole in the Middle" pattern and think that I can use it to remove some repetitive code ... Main Method 2"); } } 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# - Parameters to the EXISTS clause in a stored procedure

I have a table DEPT, which holds 2 columns - ID, NAME. A search form is presented with the IDs from ... 6 tables! Thanks for any suggestions 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# - Wait screen during rendering UIElement in WPF

I have a WPF application using PRISM. I have a login screen and on successfuly logging in a new view containing ... is rendered in UI Thread. 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# - Itext rotation adjustment is different when adding annotation vs getting field postion

I am trying to update the coordinates of an annotation and noticed that the position adjustment iText makes is ... transform is flip-flopped. 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# - calculate padding of datagridview when padding is greater than two?

This demonstration program has a form with a DataGridView drawn on it I have filled the DataGridView with some data There ... but anyhow. } } } 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# - Why does my listview keep drawing in LargeIcon View?

I have a inherited Listview which standard has to be in Tile Mode. When using this control, the DrawItem ... .ResumeLayout(false); } #endregion 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# - DataGridView Auto Height - How to AutoSize DataGridView Height?

I am trying to make the height of my DataGridView AutoSize based on the amount of rows it contains. ... losing the horizontal scroll bar? 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# - SerialPort encoding - how do I get 8 bit ASCII?

I'm having a problem with a program that communicates over a serial port. One of the characters it must send ... the port to 8-bit operation? 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# - Get Canvas Color at Point

Let me first explain what I am trying to do. I am trying to create a Color picker Control like one of ... Point. Any help would be 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# - Generating an Xml Serialization assembly for a custom XmlSerializer

I have methods in my class for serializing/deserializing using a different XML structure than what would be produced ... to do this neatly? 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# - IEnumerable.Except() and a custom comparer

I'm having troubles with the Except() method. Instead of returning the difference, it returns the original set. ... _lambdaHash(obj); } } 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 upcast generic type parameters

When I use reflection in this case, the created type can be many generic types. ... BaseStepHandler<GlobalOnBoardingStepOneDataModel>{} 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# - Access to “Program Files” folder needed

I ran into this quite often stated problem but even after looking up nearly every scource I didn't get an aswer ... code what rights a user has? See Question&Answers more detail:os...

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

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