Questions tagged as 'c#'

Tagged questions
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Send and receive data from the serial port with C #

I want to create a program in console mode with the F # language. That data can be sent to the serial port and received. I made one in C # and I want to adapt it to F #. As I do not have the necessary knowledge in F #, I ask for help. Code C...
asked by 06.05.2018 / 15:26
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error in row path of a reader () inside another reader ()

I have this method where I try to place a while read() into another with a different command name to retrieve data from my database, but it generates an error that says    {"There is already an open DataReader associated with this Comm...
asked by 07.05.2018 / 02:32
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How to obtain the data of an excel with OLEDB Data Provider?

I have a problem because I am trying to read an excel (xls), with the OLEDB, I already install the driver but it does not load the file, this is the error that indicates me. This is my code. try { // CargaMasiva...
asked by 07.05.2018 / 17:21
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wix with a wpf application using usercontrols

I have a WPF application of which I am doing an installer with wix, the installer is generated without problems but when I click to open it simply does not open as it was installed and it is, I have the reference of one project to another and ot...
asked by 21.05.2018 / 17:19
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Xamarin.Forms Webview custom renderer for MacOS and WPF

I am creating a Xamarin Forms application with a Webview that loads a local web (pdfjs) to display PDF. I have made custom renderers for UWP, Android and iOS, following the official documentation and they are working, but now I have added sup...
asked by 04.05.2018 / 20:40
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Why can not I connect to SQL Server?

I try to connect to a local database with the connection string that offers Visual Studio in the object browser SQL . The code is as follows: private void Form1_Load(object sender, EventArgs e) { SqlConnection myCon = new S...
asked by 04.05.2018 / 20:09
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FileNotFoundException: Could not load file or assembly SecuGen.FDxSDKPro.Windows.dll or one of its dependencies

Dear all, welcome, please request your help with a problem with the .NET assembly (SecuGen.FDxSDKPro.Windows.dll) which is for .NET developers. (version 4 or higher) I explain briefly, I do not have any problem using the dll in my development...
asked by 04.05.2018 / 23:14
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How should I do to open an application developed in .net when invoked by the local host ?.

I'm very new to the subject and I have the following situation. I have some sources that I can obtain from the web application which I must support. Validate the size of the .dll associated with the application (e.g. webappsam.dll) vs the .d...
asked by 10.05.2018 / 15:41
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How to do folder jumps to open an .sdf file in C # and that does not affect when changing the computer program?

Hello, recently, I and a university colleague had to deliver a project, and we always had the same problem to open the database, because when changing computers, the route was different. The teacher told us to do so that with ../../ we could...
asked by 12.05.2018 / 13:31
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how to Design a Report (mneja series of parameters and call the same dataset) using ReportServices

Regarding the question I will try to explain it with an example. I hope you understand. The report has a parameter session like this: Compania: 625 Fecha Ini: 04/15/2018 Fecha Fin:04/18/2018 Semana: 1 Compania: 625 Fecha Ini: 04/19/2018 Fec...
asked by 04.05.2018 / 01:23