Questions tagged as 'c#'

Tagged questions
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Error "c # object reference not set as instance of an object"

in my Windows forms application, I have a list of strings saved in User Settings, which is called FileList. The problem is that I see an error, the code is as follows: private void HomeForm_Load_2(object sender, EventArgs e) {...
asked by 01.07.2018 / 18:41
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obtain customer information through asp.net

Locally it gives me the correct information, but when I publish the code I see the server information: public string Usuario() { String el = Environment.UserName; return el; } public string Nombre() { string hostname2 = Environmen...
asked by 10.02.2018 / 18:45
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How can I save a form using C # code?

Hello good afternoon I have a doubt in the C # language create a form with the code of form a = new form (); a.show (); and I want to save that form in the project because only with that code the form is opened but it is not saved in the project...
asked by 18.02.2018 / 22:28
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how can I make my use the windows + M key

good I'm working in the language c # but I would like my application to be minimized with the windows + M key thanks for the help     
asked by 23.11.2018 / 14:42
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Insert message tooltip [closed]

I would like to insert a tooltip message in the start part as well as in "change password", "close session", etc. How is that implementation correctly?     
asked by 18.07.2018 / 16:10
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Objects that move in Unity? [closed]

I would like to make a square that moves in Unity, but I do not know how to do it, I search and I can not find it, could you explain how?     
asked by 28.10.2018 / 17:43
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Background text in WPF textbox [closed]

Hello I wanted to put a background text on a textbox like the ones that are usually put in the forms (as in the dropbox page) that appears 'Name' in a more clear color and until you write something is not removed. Until now I had put it when I h...
asked by 08.06.2017 / 13:23
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Help with a couple of things in play snake in c # [duplicated]

I'm doing a snake game in c #, and I would need a couple of things that I do not know very well how to do:    I need the game to send a message similar to "you have died" as soon as the snake touches the wall or touches itself, but before t...
asked by 04.04.2017 / 10:30
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nesesito help in a checkbox c # [closed]

hello good I'm wanting to connect sql server in c # but in the form of checkbox esoty doing it I have a checkbox asks if authentication is by windows or is per user At the moment of calling a string, you do not recognize it, I leave you the c...
asked by 04.04.2017 / 13:04
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Implementation of Rules Engine in .NET [closed]

I am wanting to implement a rule engine in the company. What I saw in the market are free and paid tools. The one that caught my attention is a NXBre call that looks pretty developed and is free. The problem with this is that there is no docu...
asked by 25.05.2016 / 18:31