Questions tagged as 'c#'

Tagged questions
2
answers

Problem with crystal reports

I made an application that includes CrystalReports and it works well, the problem comes when I create the executable and install it on another computer, the application is installed and everything but when I click on the button that works as a v...
asked by 22.03.2018 / 22:49
1
answer

WCF C # WebInvoke Operation contract error

Good afternoon, I have a problem when I try to create a method that takes 2 parameters, although in the operationcontract I specify that I use Wrapped anyway I get the error as if I did not have it. Could you help me please ??? Interface:...
asked by 01.11.2017 / 22:02
3
answers

Activate elements of a DATAGRIDVIEW in C # using a Database and a stored procedure

This is my problem, I have created a database which has 2 tables, the information of both tables shows it in a DATAGRIDVIEW that believes in visual studio, all right up there, now what I want to do is update the records I have in my DATAGRIDVIEW...
asked by 25.10.2017 / 01:18
1
answer

web api TypeConverter does not run

I'm making my first web api and I have the following controller: // POST api/Recipes [HttpPost] public void Post([FromBody] RecipeModel newRecipe) { if (newRecipe != null) { using (var container = Db4oE...
asked by 21.10.2017 / 14:09
0
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Generate a LOGGING file using System.Diagnostics. C #

I am trying to generate a .log file using System.Diagnostics in a console project. The problem is that the .log file that I generate, returns it to me empty. Here is the code I used in .NET : TraceSource tr = new TraceSource("Wall...
asked by 20.10.2017 / 17:27
1
answer

Winforms C # Error with ComboBox nested with mscorlib.dll in Visual Studio

Help with the error:    'System.FormatException' in mscorlib.dll. Additional information: The input string does not have the correct format. I have an error when I start my frame for the first time since I have ComboBox nested Stat...
asked by 04.12.2017 / 02:12
2
answers

What is my error in List syntax? - C #

I want to create the following structure but I think I have a problem in the list syntax List<ArrayList> vertices = new List<ArrayList> { { 'alfa',false},{ 'Beta',false}}; By the way, I had problems trying to make an array in th...
asked by 03.12.2017 / 08:57
0
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Report with Itextsharp

Dear, I need your help, I am developing an asp.net webform, c #, MySQL and itextsharp report and I need this report to have a certain format. I retrieve the information through the database and keep it in a datatable , until there is every...
asked by 19.10.2017 / 20:00
1
answer

Show progress window with SelfExtractor (Ionic.Zip)

I am developing a Setup for some applications and use SelfExtractor to decompress the files and then run the program that installs and configures the application through PostExtractCommandLine . The problem that I have, is that I can no...
asked by 27.10.2017 / 09:01
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Problem when trying to compile in Xamarin Studio in Windows 7

Hi, friends, I'm trying to compile a simpe Hola mundo! in Monodevelop for Windows 7 x64 (Xamarin Studio) and I'm throwing this error    The reference assemblies of the .NET version are not found   Framewrk ".NETFramework.Version = v4.5...
asked by 21.11.2017 / 22:05