Questions tagged as 'c#'

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Error org.xmlpull.v1.XmlPullParserException: expected: START_TAG

Good evening guys! I'm developing an android application that should connect with a C # webservice, however I'm having some trouble connecting to my webservice. When I put the W3c webservice to test the connection works perfectly, but when I...
asked by 09.11.2015 / 02:48
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Error reading a byte array passed as parameter

This is the error:    The entry is not a valid Base 64 string, since   contains a non-base 64 character, more than two characters of   or an illegal character between   fill-in. This is my view, where I pass the parameters from my grid (t...
asked by 09.11.2015 / 19:09
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Visual Bug using LongListSelector (grouped) and Checkbox Windows Phone 8

I'm developing an application that has a grouped list, and within each list item there is a checkbox. The problem that is occurring happens when the checkbox of the first item in group 1 is selected, the checkbox of the first item in group 2 is...
asked by 03.11.2015 / 21:11
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Define model the attribute of type Two-dimensional Array

There is a way to create a two-dimensional array attribute in Model so you can use this attribute to mount a table on View . Example: In model I define an array type array and the controller defines that the array will be 20x20 a...
asked by 04.11.2015 / 12:36
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Doubt with DependencyService xamarin C #

I made the creation of an android project only using xamarin Problem: Problem at this point does not recognize DependencyService An interface: namespace Projeto.Xamarin.Android { public interface IConfig { string DiretorioDB...
asked by 05.07.2016 / 22:18
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Problems with Xamarin in Visual Studio 2015

I'm starting to "play" with mobile development and as I already develop in C #, I wanted to use Xamarin. But as soon as I installed and updated / installed everything I had in the Android SDK manager. I had the following error messages on deploy...
asked by 05.07.2016 / 02:43
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import methods from an unmanaged Bematech DLL c #

I need to use a dll provided by Bematech with features of a non-fiscal printer. The example that you provided brings the following code: [DllImport("MP2032.dll")] public static extern int ConfiguraModeloImpressora(int model); The program ge...
asked by 05.07.2016 / 16:51
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Include associated class objects (ApplicationUser and UserProfile) - ApplicationUserManager and OWIN

I have the following problem: Within method GrantResourceOwnerCredentials in class OAuthProvider : OAuthAuthorizationServerProvider I'm filling in custom properties to be returned along with the Token. However, the associated cl...
asked by 02.12.2015 / 15:56
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The number of generic arguments provided is not equal to the generic definition definition. Parameter name: instantiation

I'm having a problem while developing an application in Asp.net MVC with IOC, Automapper and all other screens work perfectly, just not for Drivers. Unable to identify the error, could they help me? Follow the controllers, and the other classes,...
asked by 02.12.2015 / 12:55
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Catching records in the DataGridView and playing on a label [closed]

Folks, my idea is this, I want to get records in a DataGridView and play on five labels. Each one corresponds to a command, and these labels will change to another record as soon as they are clicked. Example: Label1.Text = "Você gosta...
asked by 03.12.2015 / 03:49