Questions tagged as 'c#'

Tagged questions
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Display a single graphic with highcharts

I continue to learn to use details of higcharts and now what I want to do is that with the following I can visualize 3 lines at the same time and then activate or deactivate them when I want to DotNet.Highcharts.Highcharts chart = new DotNet.H...
asked by 12.09.2016 / 21:57
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Export data from a database and upload file to dropbox C #

I would like to know if it is possible and if it is, how would the code be or an example of how to do it for mobile devices or windows CE ?. I am programming in visual studio 2008, SQL Compact 3.5, .net Compact.     
asked by 12.09.2016 / 15:14
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How to open a form previously created in visual basic from another in Visual C #?

I have an initial window called "Main" this window is created in Visual Studio 2015 in C #, and another one called "Secondary" also created in visual Studio 2015 but in VB, both windows are within the same project. In the "Main" window there...
asked by 03.10.2016 / 20:00
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Show in a textbox the Qr c # .net [closed]

I have the following line of code in which I retrieve the Qr in a message, now what I try to do is to capture and display it in a textbox using a Qr reader. Thanks for your help QRCodeDecoder decoder = new QRCodeDecoder(); MessageBox.Show(de...
asked by 11.08.2016 / 23:40
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Read external hardware [closed]

How could I know when an external device was connected to my computer and, as a result, ask for a password to be accepted?     
asked by 09.08.2016 / 05:45
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How can I compress into a .zip file and then delete the original files

I have a program that calls a stored procedure which works well. The result of this, gives me 10 files with the name of the different projects. What I'm trying to do is to be able to compress those 10 files and make a single .ZIP file that...
asked by 18.08.2016 / 20:10
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Error inserting an entity from the Entity Framework [closed]

I am trying to perform an insertion of a new entity by means of Entity Framework C# in a table with auto-generated Id, but when calling the method SaveChanges() I receive the following error:    A dependent property in a...
asked by 20.08.2016 / 08:58
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Service failure Rest

I'm trying to perform a put operation on asp.net mvc, but it gives me a bug in: var response = (HttpWebResponse)httpWebRequest.GetResponse(); This is the bug: {"Error on the remote server: (404) Could not be found."} Here I leave the cod...
asked by 16.08.2016 / 15:16
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Error Timeout ASP.NET SP

I have a detail when loading the StoredProcedure and fill in a datatable , I mark the error:    "Timeout expired The timeout period elapsed prior to completion of the operation or the server is not responding The statement has be...
asked by 16.08.2016 / 19:31
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Error running COM - CO_E_SERVER_EXEC_FAILURE - C #

I'll start with the error:    Retrieving the COM factory class for component with CLSID {1CF0DE77-8CAE-11D1-82A2-0060083F9B01}   failed due to the following error: 80080005 Server execution failed   (Exception from HRESULT: 0x80080005 (CO_E_S...
asked by 20.07.2016 / 18:17