Posts by alannrs • 169 points
17 posts
-
1
votes1
answer20
viewsQ: Close current windowsForm when opening next
My current form is called Frmvender (The one that is open) when clicking a button inside the Frmvender, I want it (Frmvender) to close and open the form I call which in case is Frmvendaprint.…
-
3
votes3
answers2862
viewsQ: Changing data from a List<>
Hello I have a collection like this made on top of a class: public class Produto { public int Id { get; set; } public string Descricao { get; set; } public int Quantidade { get; set; } public…
-
0
votes2
answers44
viewsQ: Inserting data from a datagridview c# in another datagridview giving 2 clicks
I’m setting up a sales system. On the sales screen I own 2 datagridview Being the 1st (product research) where I receive the data of the product research, and the 2nd (selected products) will be…
-
4
votes3
answers6177
viewsQ: Date Mask in Edittext
How to put date mask on EditText android, so that stay dd/mm/aaaa ?
-
1
votes1
answer1028
viewsQ: Fill object list with Sqlite data
I have a state object containing the following attributes. idState (String), siglaState (String) And I have a table already filled in the database with the same attributes above. But I would like to…
-
0
votes2
answers2265
viewsQ: Insert data when creating Sqlite table
In my database I have a table State and Cities, I would like to enter this data once the app is installed, ie when creating the database these records are already inserted in the tables at once. I…
-
1
votes2
answers467
viewsQ: Authentication screen with Sqlite
I have to authenticate the user, but when I inform the user and the correct password he enters the menu screen, so far so good. The problem is that when I type an incorrect password or user, I want…
-
1
votes1
answer213
viewsQ: Thread calling method to query a web service always returns null
When I call this method to follow in another class it is returning null. However I have already performed the debug in the line "Return listNotes;" and it’s being filled normally. Method code:…
-
0
votes0
answers182
viewsQ: Fill Listview with an array
I have an Array List where I store the subjects with the respective grades of a particular student. This array has only 2 attributes: nomendDiscipline valuer I would like to know how to fill a…
-
0
votes0
answers82
viewsQ: Problem with Return returning null to another class
I have a class responsible for downloading a list of students in a web service through a method where I pass as parameter a string with the teacher’s code and it returns me an array of students. The…
-
1
votes1
answer46
viewsQ: Problem with logging in using sqlite
My method is not returning the professor logged in. public Professor autenticarUsuario(String usuario, String senha) { String SQL = "select * from PROFESSOR where USUARIO = ? and SENHA = ? ";…
-
0
votes0
answers23
viewsQ: Error calling another Activity
I’m creating an app for launching student frequency. The app features web service communication. By clicking enter button: The app will check if you have internet connection to update the teacher…
-
1
votes0
answers612
views -
1
votes1
answer185
viewsQ: Call Activity after thread is executed
I have an app that logs a teacher into a webservice and right after logging in it inserts the user into the android database. If the result is different from null, I want you to call the Activity…
-
1
votes1
answer110
viewsQ: Sqlite check if data already exists
Hello I have an application where when logging in if you have internet connection it should bring the data from the web service and enter in the bank. So far so good, but my doubt is as follows:…
-
1
votes1
answer185
viewsQ: Insert website data into sqlite
I have a webservice that returns to me the following data Codigodisciplina, Disciplina, Codigoturma. Starting from a principle that the teacher can have more than one discipline, for example,…
-
0
votes1
answer443
viewsQ: Consume Webservice C# on android
I have a Web Service created in C# where I access a certain method to authenticate a teacher, if the user and password data passed through parameters exiting in the database the web service returns…