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Hello Colleagues, here I am again asking colleagues for advice. I have two methods in my application that are giving me a headache, one reads a json file and saves it in txt and the other prints some results on the screen, everything was working perfectly until a week ago, and suddenly an...

Hello guys, here I am again asking for support. I have a Form1 that contains a DataGrid and a 'Call' Button that calls Form2, on Form2 I have 2 TextBox and an 'OK' Button I need to transfer the contents of the TextBox from Form2 to the Grid of Form1 when clicking the OK Button, I did a lot of...

hello guys, I'm having a problem deleting and editing a Contest in SqLite, sometimes it works and sometimes it doesn't. Catch: Enter the Try Catch exceptions on Edit: I get the message database is locked I have the following code; My Form private void editar() { if...

I have problems in my textbox array, there are 15 indexes, each index receives two digits, however if I type letters it is accepting. I wanted it to accept only numerical digits, two numbers per index, Anyone willing to give me some information on how I can proceed with this? I am very...

Hello guys, I'm having problems calling a search method, when I put the method on the form and call it on the button, the method works perfectly, I want to put this method in the Controller class and call it to the form, and I am not able to call this method from the Controller class, I tried to...

I'm trying to save my list of numbers with a Zero to the left of the numbers <=9 and it's not having any effect, I'm using the following code in Insert: cmd.Parameters.AddWithValue("@_01", número._01.ToString("D2")); I have the same code on Sql server and it works perfect, would there be...

Hello Colleagues, I would like to take a doubt! Personal apologies if this is something I could google, but as you know there are a lot of articles with no opinion on the subject, I spent days reading and got nowhere. I prefer your opinion... I recently changed my project, disconnected from the...

I have a text file that is generated daily and can contain several lines with 15 numbers drawn from 01 to 25 in each line, the text can have one line or several lines, it changes every day. I need to compare with an array 'Result' and count how many numbers in each line are equal to the numbers...

I'm creating a label array where the Label EntryLabel creates 12 Random numbers in ascending order and an EntryText where 3 numbers are added by the user, on the click of the button the 12 numbers generated plus the 3 typed form an array of LabelResults of 15 numbers, so far Perfect, the...

I'm trying to retrieve 12 label and 3 textBox numbers and put in another 15 label, I tried with array, but I don't really get into arrays yet, I would like if anyone can help me, I'm very grateful, I'll leave an Ex: I'm using this on the button to generate 12 numbers on the label from Class...