Questions tagged as 'c#'

Tagged questions
2
answers

The network path was not found

At the moment of giving click in the listbox where it shows me the IP address where the folder is located and see the comments that it has, it throws me the following:    IOException The network path was not found The addres...
asked by 04.07.2017 / 20:04
1
answer

Draw a picturebox, drawing lines and joining points

I have a form with winForms and c # where I have two pictureboxes and some textboxes that fill in these values generate a graphic joining the points x1 - > x2 ... then x2 - > x3 and so on. The code I have is this. In the textChanged e...
asked by 29.05.2017 / 10:08
1
answer

Print of tickets C #

Good evening: I would like to ask for help with a program that prints sales tickets, I have made all the printing of tickets but I need to add a header image and a barcode at the end and I do not know how to do it :(, I hope you can help me I...
asked by 19.05.2017 / 05:37
1
answer

Fill cascading combos in MVC

In a view I have 4 combos. The first 3 I fill them without problems with data of tables of a BD. But the 4th one I need to fill it with information from another table, which I should filter depending on the selected in the 3 previous combos....
asked by 17.05.2017 / 15:27
1
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treeview binded in wpf disable nodes

I have a treeview that is binded to a class: The problem is that I want to add a property that if they have the treeviewitem, to activate or deactivate parts of the tree, but when bindear a class of its own, I do not know how to add that prop...
asked by 06.09.2017 / 19:33
1
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search for word in directory

I need in C # Forms, go through all the files in a folder and search for a word and that the program tells me the name of the files in which I can find this word ## faz. } the code I have is using System; using System.Collections.Generic; u...
asked by 15.06.2017 / 19:06
1
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C # Progress Bar, Thread, Nested Foreachs

Good morning ... I have the following situation: I have two lists, the first of about 9000 objects, and the second of 44000 (this can vary from one execution to the next). Now, I have to find each item in list A in list B, set a couple...
asked by 15.06.2017 / 20:45
1
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Do not upload the table to the datagridview and give me a warning of invalid operation exception

I have the following problem. I try to upload a table to the datagridview, but when I try it, it gives me a warning with the message invalid operation exception . I leave the exception details given. System.InvalidOperationException w...
asked by 12.04.2017 / 19:59
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I have problems with the datetimepicker when I select a row in the datagridview: "String was not recognized as a valid DateTime"

I have a datagridview that I want when I select some information contained in the table of my MySQL database, I return the values to the respective text boxes and comboboxes and datetiemepicker, but I receive this exception. System.FormatExcep...
asked by 13.04.2017 / 22:15
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How do I clean the cache of my project of visual studio 2010?

I have a problem and I really do not know what is due and I think it is due to the cache that can be filled in my project, but I do not know how to delete the cache of my project in .net. Since I am currently making very, very basic changes t...
asked by 13.04.2017 / 18:40