Questions tagged as 'visual-studio'

Tagged questions
3
answers

Print a string with only numeric values [duplicate]

I'm doing a program in console where the user types some codes, and I want to print that code back to him as soon as he enters. But I wanted to print only the numbers values and ignore the non-numeric values of the string. Does an...
asked by 17.05.2018 / 20:58
2
answers

How to write a DateTimePicker to the database

Hello, I have a form with DateTimePicker - Short (date only). And in the database I put DataEntrada DATE My problem is, I created an insert method but I do not know how to pass the DateTimePicker by parameter. Method of insert...
asked by 11.10.2017 / 21:44
1
answer

List of DB clients in the program page in C #

My problem is as follows, I do not know how to make a list of users with a limit of X in a DB appear on the screen, I will try to put them into topics for a better understanding 1 - Customer list should appear every 10 months 2 - When reached...
asked by 12.01.2018 / 19:45
1
answer

Open system32 programs by C # [closed]

I am trying to run Active Directory from my machine via C #. I can open all other common programs with no problem. The program is installed in C:\Windows\system32\dsa.msc , however Visual Studio shows an error and informs that did not fin...
asked by 28.09.2017 / 22:15
1
answer

How to add controls created by me in the Visual Studio Toolbox? [closed]

I've created a control for WinForms . But I can not find my control in the toolbox . How can I add my control to the toolbox ?     
asked by 26.10.2016 / 16:48
1
answer

Visual interface of vs 2017 with error

Visual interface of vs 2017 marks code in red as if they were in error (when in fact they are not) even performing the build successfully. BuildResult: I have already restarted vs and windows and the problem continues.     
asked by 24.08.2018 / 13:10
1
answer

Visual Studio with error in Google Maps API - Android 6.0 and API version 29.0.02

   Installation errors: XA5207 Install the package: 'Xamarin.Android.Support.v4' available in the SDK installer. The Java library file does not exist. The Java library file 'C: \ Users \ vinDir \ Local \ Xamarin \ Xamarin.Android.Support.v4 \...
asked by 25.03.2018 / 18:49
1
answer

sql server error on server hosting

I'm making a website, by the Visual Studio template. With me it works, but when I upload to the server and when I log in, it gives me the error below. I used SPA and Visual Studio 2015 as a template. Do I need to upload anything else? I made a p...
asked by 14.05.2017 / 21:11
1
answer

Connect with Mysql universal win 10 [closed]

I would like a help, as I would like to know how do I get information from a Mysql database and which will be assumed by a textblock. would they be able to help me with the code that does this? EX: In the database name = John the textblock wi...
asked by 09.03.2017 / 00:44
2
answers

Error System.NullReferenceException when trying to pass Value from one Form to another Winforms C #

I have in my application a Customer Registration Form and a Customer Search Form. To send values from one form to another I use the code below, I already used this same code in several other forms and works perfectly, but in that register is not...
asked by 27.06.2018 / 04:59