Questions tagged as '.net'

Tagged questions
3
answers

Detail of an item of different models in entity framework

I'm really new programming and I'm constantly encountering problems, I currently have a table where I put data related to students, house row has a button that allows me to see more information related to the student but there is also related in...
asked by 14.11.2018 / 23:14
1
answer

How to display the selection list of client certificates by clicking on a .NET button

Hello I have seen that there are pages that show the list of client certificates not when entering a page that requests them, but later, when the user has already entered the page and presses a button. I normally set this configuration in IIS an...
asked by 26.09.2018 / 10:31
1
answer

Help with a transaction with dapper

Hi, I'm doing a transaction using dapper, but the detail is that when the error is marked. I reverse the changes with the rollback, but when I try a second execution. it tells me that the conectionString is empty. using (var cn = VariablesGl...
asked by 31.07.2018 / 19:29
2
answers

How to send information from a UserControl to a JSON file using Json.net? in C # - WindowsForms

I have a UserControl that I created dynamically from the main form class of the same project. I need to send all the information (Name, Tags, Positions etc) of that UserControl that I am creating dynamically to a JSON file. I'm using the JSON.NE...
asked by 21.06.2018 / 07:34
2
answers

Error 405 when consuming Api Rest service

I am having a problem when trying to consume an Api Rest service from Angular 6, my Angular code is as follows: GuardarDatos(datos:General):Observable<string> { const httpOptions = { headers: new HttpHeaders({ 'Content-Type'...
asked by 08.06.2018 / 21:31
1
answer

VBNET user variable. (Variable route)

I want to access my user's folder, something like; C: \ Users \ felix But without knowing the user "felix" The language is visual basic. Thanks!     
asked by 30.04.2018 / 10:16
1
answer

C # how to create an attribute for roles?

I'm working on an application (windows forms) this works with a sql server database connection and has a table of users who have roles. The application has modules or functionalities that are accessible according to the user's role: [invent...
asked by 08.05.2018 / 11:12
1
answer

Export WinForm project

I am trying to export my project winForm to an installer, or a portable one. I have tried in several ways, and what I sense is that some kind of error happens when loading the custom cursors; Cursor = GestionCursores.Create(Path.Com...
asked by 04.04.2018 / 13:23
1
answer

PROBLEM WITH SQL QUERY IN C # ASP.NET

I have a webform project in asp .net with c # and in my query sql I need data that the user will provide. The week field is entered in a textbox in the webform1 and the query is in the webform2. According to that data, it will show me certain...
asked by 08.03.2018 / 19:06
3
answers

How to get data when you go through a GridView For Each vb.net asp.net

I want to get the data that I'm going through in a GridView For Each Fila As GridViewRow In GCURSO.Rows ceEvaluacion.CursoAlumno = Fila.Cells(0).ToString Next But when using Fila.Cells(0).ToString I do not get the data. Thanks....
asked by 17.03.2018 / 15:25