Questions tagged as 'c#'

Tagged questions
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ESocial - Event signature invalid. Suggested Actions: Check if event has changed after signing. Verify signature validity

I am trying to send the evtInfoEmpregador event and when querying the batch return is returning the message. <tipo>1</tipo> <codigo>142</codigo> <descricao>Assinatura do evento inválida. Ações Sugeridas: Ve...
asked by 08.02.2018 / 12:39
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Record registration in DB

Hello, I'm having a Sql Server write problem, I have two tables (cargo and user), when I try to write the C # record, the error appears: (System.NullReferenceException: 'Object reference not set to an instance of an object. ' ObjectTransfer.User....
asked by 08.02.2018 / 15:20
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Problem with call via asp.net URL

Someone could give me a light? I need to receive a call no matter what type of service it will only do this, where it will receive a URL in the old way so link The problem is, the url can anyway come up with any special characters, and...
asked by 08.02.2018 / 12:45
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Problem opening Xamarin connection with MySql

I'm a beginner in Xamarin , and I'm having a hard time connecting to MySql . I'm trying to use a simple connection just to test, but it returns an error when I click connect. Unhandled Exception: System.TypeInitializationException...
asked by 08.02.2018 / 18:55
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ADD MEDIA IN XAML - C # +

I'm trying to learn how to use paramentros in XAML , more precisely using XAML . Below is a sample code I'm using to train. <UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"...
asked by 08.02.2018 / 16:23
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Xaml parameterless constructor

Well, I have a problem that I can not solve, when I go to preview what I did in "XAML", I always come across this error.     
asked by 08.02.2018 / 18:30
1
answer

Refresh DropDownListFor on form

I have a form that has two @Html.DropDownListFor and other fields. But when I change the first DropDownListFor I need to update the values of the other dropdownlist by passing its id as parameter ... @model EP.IdentityIsolation.Domain.Entiti...
asked by 07.02.2018 / 20:35
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Unity Store System

Hello. I need a way to create a car shop in a game in Unity. I started to create the store, but I do not find a way to show the car bought in another scene, that is, the game know that you bought that car. using System.Collections; using Syste...
asked by 15.02.2018 / 05:18
1
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Scraping an External Html

I'm trying to get text from another site using C # (HtmlAgilityPack). I can find the div, but when I try to display the value on the screen, it shows the path of the function. I think I'm forgetting some code snippet. Follow my Controll...
asked by 15.02.2018 / 16:56
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Doubt Restriction ASP.NET C # users [pending]

I need to do a user restriction on an ASP.NET C # application. In this application, separated by several classifications, I have a table with all form items, with bit fields, so that the restrictions are saved. But if a user who does not h...
asked by 15.02.2018 / 17:39