Recent questions tagged C#

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I have BitmapImage: BitmapImage image = new BitmapImage(); image.SetSource(memStream); I want to save the image to the ... I do that? 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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c# - How to manage SSIS script component output columns and its properties programmatically

I am developing a source in SSIS VS 2017 which calls REST API using script Component and serialises JSON and ... from!! Thank you, Kunal 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# - Convert Shape into reusable Geometry in WPF

I am trying to convert a System.Windows.Shapes.Shape object into a System.Windows.Media.Geometry object. With the ... .Value> <DataTemplate DataType="{x:Type local:DataPoint}">...

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

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c# - Reading string as a stream without copying

I have some data in a string. I have a function that takes a stream as input. I want to provide my data ... the stream how BizTalk wants 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 can I use ReorderableList with a List in the Inspector and adding new empty items and collapse childs?

This is how I declared the List : using System; using System.Collections; using System.Collections.Generic; using ... like Opening and others ? 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 use LINQ with a 2 dimensional array

I have a 2-dimensional byte array that looks something like this: 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 1 ... that each row has at least 1,000 columns? 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 way to speed up displaying a lot of text in a winforms textbox?

Is there way to speed up displaying a lot of text in a winforms textbox? My application reads a file (which ... Maybe use some kind of caching? 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# - Program Unable to Load DLL 'SQLite.Interop.dll' after WiX Installation

I use WiX to bundle a MSI installation file. After the installation, I execute the program but get the following ... DLL 'SQLite.Interop.dll' 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# - Benefits of use parameters instead of concatenation

I am new to ASP.NET and C# programming. I would like to know what is the difference and advantages plus ... advance for any knowledge provided. 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# - Constructor of a XmlSerializer serializing a List<T> throws an InvalidOperationException when used with XmlAttributeOverrides

Summary When using the XmlSerializer class, serializing a List<T> (where T can be serialized with XmlSerializer without ... And here I am... 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# - Associate a file extension with WPF application

I have a nice little assignment organizer that I want to add a backup option to. But I don't want it in ... open with a .asog file extension? 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# - Getting values back from OleDbDataReader reading from Access database

Below it the code I'm using to connect to an Access database and pull the values from the query. Problem is.. I ... } finally { conn.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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c# - White space cannot be stripped from input documents that have already been loaded. Provide the input document as an XmlReader instead

I want to transform a XML document, but having a problem. My XSLT looks like this: <?xml version="1.0" ... 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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442 views

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c# - Integer handled as reference type when passed into a delegate

I was attending the TechDays 2013 in the Netherlands this week and I got an interesting quiz question presented. ... explain why and how? See Question&Answers more detail:os...

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

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640 views

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c# - JsonConvert.DeserializeObject and "d" wrapper in WCF

By default WCF service wrap JSON response in "d" wrapper and there I found a problem with parsing it. If I ... any better way to parse JSON? See Question&Answers more detail:os...

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

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467 views

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c# - Sorting a collection by multiple fields

I need to sort a collection. For example, I have Austin 12/3/2012 Sam 100 12/3/2012 Sam 200 14/3/2012 ... take the order of columns for sorting. 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

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c# - Method not found SetDataTypeProperties in custom SSIS component

I'm trying to build a simple custom SSIS component which looks at a single input column and validates it, creating ... . What am I doing wrong? See Question&Answers more detail:os...

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

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460 views

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c# - How do I look up the proper Windows System Error Code to use in my application?

I am writing a C# .NET 2.0 application wherein when a message is expected to be received via the SerialPort. ... of such a useful feature. 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# - Callback with NetTCPBinding

Is NetTCPBinding supporting Callbacks? If so, please redirect me to any appropriate example. 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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441 views

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c# - How to update data from datatable to sql table?

I have an sql table with ID(unique) Name status 1 A 0 2 B 0 In my code, I retrieve all data into a data ... is there any better way 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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463 views

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c# - ASP.NET Core error: Invalid token Error when implementing Forgot Password

In my ASP.NET MVC Core 1.1.1 app with Individual User Accounts mode in VS2017 ver 15.3.3, I'm implementing ... .) POST method; same error again. See Question&Answers more detail:os...

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

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867 views

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c# - Thread.Abort doesn't seem to throw a ThreadAbortException because of AcceptSocket

I am calling ChannelServer.ListeningThread.Abort on the following thread, however nothing seems to happen. I would ... .ListeningThread.Start(); See Question&Answers more detail:os...

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

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438 views

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c# - All data from database is deleted when closing the application

What is the proper way to create a local-database file and then connect the app to it ? I want it to ... using Visual C# Express Edition 2010. See Question&Answers more detail:os...

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

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643 views

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c# - How to parse malformed JSONP with hex-encoded characters using JSON.NET?

I make a call to google's dictionary api like this: var json = new WebClient().DownloadString(string. ... deal with hex-encoded characters. See Question&Answers more detail:os...

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

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582 views

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c# - Keeping Data in GridView after PostBack

I have a GridView which is associated with an SqlDataSource. When I click a Button, I change the SelectCommand and ... in the Page Load method. See Question&Answers more detail:os...

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

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1.2k views

1 answer

c# - JsonSerializer.DeserializeAsync<T> Not deserializing

I am working with my first Blazor app and running into a strange problem. I have a Web API that ... .Notifications.HasWarnings; } #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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473 views

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c# - SetTarget vs RegisterName/SetTargetName

Here's a simple program which animates the Y2 property of a Line shape. Note that I use the SetTarget ... difference in the two approaches? See Question&Answers more detail:os...

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

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594 views

1 answer

c# - load xelement into a datatable

i have the following xml file, that contains a lot of Information about branches of a company .. (this is ... director> </branch> </branches> See Question&Answers more detail:os...

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

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