Questions tagged as 'c#'

Tagged questions
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How to make interaction from WEB application to client machines

I have a WEB application in ASP.NET MVC which is an intranet project. I would like to add some functionality in it to make it easier to work with Backup's. I already have a WIDNOWSFORMS APPLICATION that executes user-aware backu...
asked by 07.10.2016 / 23:29
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Error Xamarin.Forms Android - new HttpClient ()

This error appears (image) whenever it arrives in this line: using (var client = new HttpClient()) Thisisthecompletecode.usingNewtonsoft.Json;usingSystem;usingSystem.Collections;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem....
asked by 07.10.2016 / 22:40
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Listview c # passing value to the next form

I've set form to c# and this form is responsible for showing all data in my table in Bd and putting that data in listview , so I can select an item from listview e I mounted another form where it will rec...
asked by 04.10.2016 / 07:11
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Modify generic method to merge information into classes

I am a first-time sailor with EntityFramework and am working with a USUARIO class that inherits from PESSOA . There are other classes like PESSOATIPO , PESSOAFISICA , PESSOAJURIDICA , etc., the problem is that w...
asked by 06.11.2016 / 15:00
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How to use an unmanaged DLL in Microsoft Bot Framework?

I want to make a bot for facebook using the Microsoft Bot Framework (C #) and also use a tool called ChatScript, which is written in C ++. I turned chatscript into a DLL and called it in a console application in C #, which worked. When I t...
asked by 06.11.2016 / 22:13
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Referencing xamarin PCL with external PCL's

Hello everyone, I have a question about how I can do this in wpf. Now I want to rewrite the same project with xamarin, and reuse the same pattern, but I came across the following situation in which the xamarin project pcl can not reference any o...
asked by 06.11.2016 / 16:35
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MySql Connector sending null value

I have the following code: MySqlConnection mysql = new MySqlConnection(CONEXAO); mysql.Open(); try { MySqlCommand dbcmd = mysql.CreateCommand(); dbcmd.CommandText = "INSERT INTO robos (id,nome,cabelo,olhos,bracos,boca,cabeca,pernas,cor...
asked by 07.11.2016 / 17:36
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Call function from c # from within a c ++ dll

Situation: I have a project in 3 layers: one for data, one for graphical interface in C # and another in C ++. The c ++ layer is made using the clr support (/ em> Common Language Runtime Support (/ clr)). But I use it as wrapp...
asked by 07.11.2016 / 20:12
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Object reference not set to an instance of an object - (objects are not null)

Good afternoon, I do not understand some concepts and I'm in great doubt about this problem, I did some research to try to identify, but without success. I have this code and it is returning error at the time of calling the Log2 method P...
asked by 22.09.2016 / 17:49
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Hyperlink + Eval + navigateURL

I would like to create a link in the row of the listview to navigate to a url when clicked. The "city" field has to complete the url so that the targeting is done correctly. <%#Eval("cidade")%> Example: Let's say I want the user to be...
asked by 21.09.2016 / 17:50