Questions tagged as 'c#'

Tagged questions
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Problem when using CancelEdit () from BindingSource C #

I'm creating a CRUD and I'm using the BindingSource component with the DataSource Tipped with my Parent class. In the form I put a textbox attached to my bindingSource in the Name property of my Country object. Also added a 2 buttons, the new...
asked by 09.06.2017 / 20:02
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Capture ASP.NET MVC email attachments

Alright? I am starting the ASP.NET MVC (C #) studies and would like them to help me with a problem that I am well lost. I need to connect to a mailbox and capture all the attachments it has available in it.    I'm looking for study materia...
asked by 09.06.2017 / 20:26
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How to create a category tree in C #

Database I have a database with product codes and services (for public contests) and wanted to find a way to create a "tree" for those codes. See how I have configured my database in the following image: ObjectiveTheParentIDisthecolumnwhe...
asked by 09.06.2017 / 17:28
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INSERT with information from a database inside another C #

I'm trying to make an application where I can back up multiple banks at the same time by putting bank information (which will be backed up) within a bank that will allocate this information. But I can not put the information through a syntax...
asked by 09.06.2017 / 21:24
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How to do a SQL query via Socket?

How to get the client to pass a query to the server and then return what the client requested? Example: The client passes the server the string: sql = "Select nome From Aluno"; and the server would have to return the name or the names...
asked by 06.06.2017 / 20:05
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Problems with PDF file

I'm showing a PDF file directly in the browser. In Google Chrome, it works perfectly, however, if you use FireFox, the PDF is as shown below. Did you have to put some extra config for Firefox? The PDF file is ok if it opens directly in the fo...
asked by 06.06.2017 / 21:17
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Uploading image inside repeater C # asp.net

Hello, I'm new here and I need some help. I already researched the net and the solutions I found do not work. I have an image gallery editing screen, made with a repeater, on each image listed I have a button that opens an Ajax modalpopup with a...
asked by 06.06.2017 / 18:33
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Exception when accessing web service in application Xamarin.forms

I'm creating an application with Xamarin with Visual Studio 2017. I did all the tests in the web service and it accesses the database and records everything perfectly in the browser version. I have now made an implementation in the Xamarin appli...
asked by 06.06.2017 / 16:08
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Sort by Reflection with GetProperty

I have a generic class with a method that needs to sort a generic object. However, giving error saying that it does not recognize the Reflection GetProperty method, since lambda can not translate. How can I do this sort order logic? publ...
asked by 24.06.2017 / 07:41
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Acesar daughter class properties C #

Using code-first I generated the class: namespace take8.Models { using Newtonsoft.Json; using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.ComponentModel.DataAnnotation...
asked by 03.06.2017 / 22:46