Questions tagged as 'c#'

Tagged questions
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SQL SERVER EXPRESS 2014 ERROR (Microsoft SQL Server, error 1225)

Good morning, fine, guys? Next work with database, and we have some problems with SQL SERVER 2014 x64 in Windows 10. I am doing the installation normally and changing the network configuration, in TCP / IP, to a specific port that we use....
asked by 28.10.2016 / 13:47
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How to do date search through dateTimePicker?

How do I search through a dateTimePicker (with ValueChanged event) dates entered in a Data Grid View? When you load the year you want all the records for that year to appear, then load the month and show all records for that year in th...
asked by 04.09.2016 / 14:26
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C # Encrypting files

I want to send files to friends but I want to make sure no one can see your content. I would like an example to perform the encryption of the files in C #.     
asked by 03.08.2016 / 14:11
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Read .txt file, send Line and Delete it after acknowledgment of receipt

This code is the fragment of a method that reads a text file and sends its contents line by line, where each sent line receives a receipt acknowledgment. I would like to erase the sent line from the file so that it receives its acknowledgment of...
asked by 09.08.2016 / 15:19
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Install C # application with SQL Server database

I made a C # program of simple registrations using SQL Server 2008 database. When I went to install another computer, I came across the following error:    A network-related or instance-specific error occurred while establishing a connecti...
asked by 01.08.2016 / 22:41
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Error when using TempData in ASP.NET 5: Session has not been configured for this application or request

I need to use TempData in a web application but it gives the following error in runtime : InvalidOperationException: Session has not been configured for this application or request. em Microsoft.AspNet.Http.Internal.DefaultHttpContext....
asked by 31.07.2016 / 17:50
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How to delete a specific line from a file?

My goal is that when the user removes an item from a Listbox , the program deletes a particular line from a file. I have this text in a file .txt : linha1 linha2 linha3 No Listbox contains the contents of the .txt...
asked by 09.08.2016 / 14:54
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How to save Image to a specific folder?

I have the following code: protected void btnSalvarDestaque_Click(object sender, EventArgs e) { if (fuFotos.HasFile) { string strname = fuFotos.FileName; fuFotos.PostedFile.SaveAs(Server.MapPath(".") + "//Content/Destaq...
asked by 28.09.2016 / 04:31
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Dynamic Image Gallery ASP.Net C #

I have the following code,  It loads the photos in that placeholder. ID="phPhotos" > public partial class ImovelDetalhe : System.Web.UI.Page { private ImovelBo _imovelBo; protected void Page_Load(object sender, EventAr...
asked by 17.08.2016 / 21:21
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POST encoding

In Web requests when posting data on a server a string from the template below (using the parameters): string hello = "hello"; string token = "teste=="; It is transformed into post data like the ones shown below: string post = "msg=hell...
asked by 12.08.2016 / 16:12