Questions tagged as 'visual-studio'

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Add required attribute to a textbox - ASP.net

It is possible to add the required attribute in VB.net to a Textbox. I would assume it would be something like this: textbox.Attributes.Add("required") or is it necessary to insert JavaScript to implement it?     
asked by 23.05.2018 / 15:36
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How to change from one playback device to another in VB.Net

my question is: How could I get the current playback device (the name of that device) and how could I change it to another on vb.net? Thanks.     
asked by 20.05.2018 / 08:39
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How to validate data entry in C # console

I have a doubt in the validation of data entry in C #, for example, in an exercise of calcuclar a sum in C # console mode, as it prevents the execution from hanging and let it run when inserting letters. For example with this code that takes...
asked by 22.05.2018 / 02:23
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Ellipses do not change color in UWP

I'm doing a project on Raspberry Pi, using Windows IoT. Specifically, I'm doing a traffic light with LEDs and on the screen of my app I also drew a semaphore with ellipses. Ellipses "off" must have the lightgray color and "lit" their correspondi...
asked by 18.05.2018 / 00:28
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Move a Vb.net file

I am trying to move a file inside the Server. I have this, but it is not working well at all. You can not find the correct route. Dim Origen As String = "/images/foto.jpg" Dim Destino As String = "/images/tarjetas/foto.jpg" File.Move(Origen, D...
asked by 23.05.2018 / 00:23
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Permissions to save files in servicor from program in Visual Studio

It turns out that I can not save files automatically from my program on the server since I lack the permissions to access it, because I guess I have a password. The error says: "Login failed: the user does not have permissions for the type of lo...
asked by 16.05.2018 / 19:09
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Error! Unable to load the file

I was developing in Visual Studio 2010 some requirements in the system made in VB 6.0. When they shared the project I compiled well and opened all the forms without problem, then I started with the requirements, after a few minutes I ran to see...
asked by 18.05.2018 / 17:55
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Error TimeOut Selenium & TFS

My problem is in the following, I am doing automatic UI tests using the Selenium tool developed in visual study, I am trying to run one of these tests in TFS 2015, for the moment I have tried to do it in the following ways: * Using the Vis...
asked by 12.05.2018 / 00:47
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Find the content between an XML tag in c # without libraries

I'm looking for a way to find the elemetno of an xml tag. Example: < NOMBRE > Pepe < /NOMBRE > The element I'm looking for is Pepe, the thing is that I do not know how to do it without using the XML libraries and...
asked by 13.05.2018 / 11:46
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Export date to excel vba from a web page

I am trying to export from a web page ( link ) the data of the table 1 Colombian Peso Rates table . The problem is that I do not export the date. Someone can help me with that.Annex image of the table to export table and image after exporting t...
asked by 09.05.2018 / 21:05