Questions tagged as 'c#'

Tagged questions
2
answers

Insert data into related tables C # [duplicated]

I want to store it in a table called movies, where it has a foreign key, gen_id. In the table generos I have populated with 4 genres. Now in C # I have the SQL command step by string but it tells me that there is an error in...
asked by 13.11.2018 / 03:59
2
answers

Where should I validate the data entered by a user when I work in 3 layers?

Cordial greeting. I am working in a program with the 3 layers model (Vista, model and Controller) but I have doubts about which layer I should validate the information entered by a user with this I mean verify that a field is not empty, that it...
asked by 31.03.2018 / 03:23
2
answers

Remove Information from a String

hi I have a string of characters in which I would like to extract certain information Signal level = -9 dBm this information I want to get out of that string but I do not know how to do it in c # thanks Thank you very much for hel...
asked by 04.05.2018 / 04:35
2
answers

MVC problems pointing addresses

Friends I have the following form that points to a method in my controller CreateFolder I have no problem running my method, however, it is not giving me the view I want ... that is, I I always wait for you to send CreateFolder / index and t...
asked by 17.05.2018 / 21:45
1
answer

Send parameters from the view to the controller in C #

At the moment of receiving the parameters in the Controller from the View, the same arrive null, in the View I have the following code: @model Syc.Visitantes.Dominio.Entidades.Usuario @{ ViewBag.Title = "Crear Usuario"; } <h2>Crea...
asked by 23.04.2018 / 17:11
1
answer

Extract datagridview value (generated through SELECT) to integrate it in TEXTBOX

I try to extract the value from Row to add it to the Textbox. Thank you in advance.     
asked by 23.04.2018 / 06:57
2
answers

Sorting of lists C #

I have a question about the handling of lists ordered in C # I basically have a list like the following 1/02/2018 Capital $800 1/02/2018 Interes $1000 1/02/2018 IVA $160 1/03/2018 Capital $800 1/03/2018...
asked by 09.03.2018 / 23:40
1
answer

Timeouts vs ExpireTimeSpan UseCookieAuthentication

I have found an MVC application at work with the following properties and there is something that smells bad to me. I do not finish understanding the timeouts of authentication , sessionState and ExpireTimeSpan . Is it necessa...
asked by 29.11.2017 / 18:52
2
answers

Search for a file in a directory but that does not exist C #

I have to test that when searching for a file by name in a directory it does not exist and I indicate it on the screen. I show you my code, where is the comment of the interrogations is where I have the problem, the rest works correctly: stati...
asked by 05.10.2017 / 11:04
1
answer

error with the datetimepicker when moving to another [closed] PC

When I move to another computer my datetimepicker program in a short date format comes out as '20 / 09/2017 'but on my computer it goes out as '20 / 09/17' and the programming is in this format so when I put to look for or make a query does not...
asked by 20.09.2017 / 12:23