Questions tagged as 'visual-studio-2017'

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Merge pdf with digital signature

Good, I have several pdf with digital signature and when doing the merge does not keep it, I use the following code, which modification I can make to keep it. Thank you very much public static void MergeFiles(string destinationFile, string...
asked by 24.01.2018 / 13:53
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TabbedPage with icons in UWP

Good morning, I tried to place icons to my UWP app but they did not show me someone could help me create a styles file ' <local:IconConverter x:Key="IconConverter" /> <Style x:Key="TabbedPageStyle2" TargetType="uwp:FormsPivot">...
asked by 02.01.2018 / 14:11
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Android Xamarin Listview does not load the elements

It happens that, after creating a listview in the same way it explains in the documentation, the elements are not loaded, as if there were no elements to be displayed. I have verified that yes, there are elements in the array of objects, so i...
asked by 01.12.2017 / 12:10
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How to fill a listbox from a checklistbox in MS Visual Basic?

Good companions, it turns out that I'm doing a program in MS Visual Basic where I have a checklistbox that is filled from a combobox , which according to what I choose in the combobox the list is generated in the checklistbox by cl...
asked by 26.01.2018 / 22:01
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General error in Visual Studio 2017 (xamarin project)

Hi, I have a problem, I have a solution with two projects, one web and a shared project Xamarin. What happens is that it is as if the xamarin project had been "broken", as you can see in the image it is all underlined in red, in all it say...
asked by 11.10.2017 / 15:32
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Do you know the cause of this error?

Good evening, my doubt is as follows, I have a website created on asp.net that is working with a SQLServer DB but at the moment of executing my code this error is resulting and I have tried to find a solution but I can not find What is causing t...
asked by 06.10.2017 / 03:00
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Validate a textBox in C # Visual Studio WindowsForms

I have a textBox called txtSSID and I want to validate that only letters (not all), numbers and some special characters are entered: Do not allow letters like the ones I detail below (Uppercase or lowercase):    'é', 'ý', 'ú', 'í'...
asked by 08.10.2017 / 00:09
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Problem when creating a "New element with scaffold" in asp.NET MVC

Good morning. I've been following a tutorial from "EF Database First with ASP.NET MVC" and I've been stuck on this part , I need help, I'm pretty new to this topic. Greetings.     
asked by 22.09.2017 / 06:27
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Retrieve IDENTITY

Dear I have a problem that I was looking for I did not find a solution, I have the following tables in sql server 2008 and I have an application in Visual studio 2017, from WinForms WEB, with my connection to my database through CODE FIRST...
asked by 15.09.2017 / 22:01
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Problem adding web reference to project xamarin Portable

I do not get the option to add a web reference in visual studio, I understand that it is a problem with Windows 8.1 but I do not know how to fix it. Probe with Visual studio 2015,2017 and 2017 preview, and none of these solved the problem....
asked by 26.09.2017 / 20:20