I want to disable a button while the method does not finish. I used button01.Enabled = false; , but even clicking while the button is disabled, the method is called again after it finishes.
For example, when I execute the method below a...
Good morning, I have a doubt, I have a datagridviwer, I have cleared the option to change the fields, and I need to do that when the user clicks on the change button I release the grid to change, how can I do this?
Hello, I'm having a somewhat complicated need, I'm developing an application that sends pdf files to an application via webservices.
I just want to let this problem start in some different ways.
I'll try to explain by example.
When I have a file...
First is the code of the bank I'm using:
CREATE TABLE perguntas (
cod_pergunta SERIAL PRIMARY KEY NOT NULL,
pergunta VARCHAR(500),
opcao_um VARCHAR(500),
opcao_dois VARCHAR(500),
opcao_tres VARCHAR(500),
opcao_quatro V...
How can I use the DataGridView.CellClick event to click on a single column?
The way I did it in my code if I click any part of the datagrid it does the action, and did not want it to be that way I want to click one and a specific colum...
Suppose you have two forms, the first form1 is the main screen which gives you an option to open another form, when this form is open, the user can not go to the main form until he closes / closes form2 .
How do I do this?
I'm working with C # and need to do a usability tutorial, just like in games that darken the screen, highlight a component and display a hint right below.
So far I made a Form on top of the other, because I could not make a layer without it i...
I'm developing an application where multiple UserControls will be shown in a Panel from the code below:
UserControl1 u1 = new UserControl1();
panel1.Controls.Add(u1);
And I remove them from this code:
panel1.Controls.Clear();...
In my project I'm developing in C # using Form Form windows with the default Layer development I'm not sure if this form is correct? because I already researched a lot on layers, but I realize that each person develops in a way.
Have the foll...
I'm working on a winforms program that basically uses WebBrowser to access the federal revenue site using the digital certificate.
My problem is as follows, first of all, I got this project ready and I'm hammering it as needed, it need...