All Questions
643 questions
-2
votes
1
answer
43
views
SQL table column value won't increment anymore after 2?
The following code should increment the SQL table column "num" value and set the text of a text field to the value of "num" after incrementing. But when it reaches 2, the value won'...
- 27
-1
votes
1
answer
61
views
mysql database connection to xampp install in a different machine
I recently crate a java project in NetBeans with MySQL database in xampp. Local connection is working without any problem. I want to make my project client server. I install xampp on windows server ...
-1
votes
1
answer
97
views
Why "HTTP Status 500 - Internal Server Error" happened after I clicked the Update button? [duplicate]
This error happens when I tried to edit the profile in the JSP work.
Error Message
The error shown below in NetBeans:
|#]
org.apache.catalina.util.Enumerator@3b90e68c|#]
StandardWrapperValve[...
0
votes
1
answer
48
views
Check if ANYYY values exists in table MySQL
I am making a java Program about User Account Creating and i want to check if there was any username of password before in table.
String kullanici_adi = KullaniciAdi.getText();
String sifre = ...
0
votes
1
answer
131
views
How to store an sql result in a variable to be used [closed]
Good day all,
I am working on a java project, in netbeans.
I have a class called dbcon, which has a bunch of methods and a constructor that connects to a Mysql database.
One such method is a login ...
- 3
0
votes
0
answers
41
views
'java.lang.ClassNotFoundException: com.mysql.jdbc.Driver', no library [duplicate]
I'm making a system that integrates java and sql, but when connecting it to the database, the error 'java.lang.ClassNotFoundException: com.mysql.jdbc.Driver' appears, and I imagine that it's because I ...
1
vote
0
answers
22
views
Keep getting warning java.sql.SQLSyntaxErrorException [duplicate]
warning image
i keep getting this message in netbeans while doin project for collage
how to fix it?
try{
stmt = conn.createStatement();
int stdId = Integer....
0
votes
0
answers
44
views
I am trying to add image to jTable from mysql Database. but it Shows some text given in the following image
Trying science morning.
but no success.
I posted codes that can have problems please help me.
This Is output. Instead of an Image, it shows this text.
TheModel.java javaclass --->(I think the ...
0
votes
1
answer
38
views
Connecting local MySQL database linked to Java project into another computer
I have a Java project with a local MySQL database linked to it. It has a login page with stored login details in the database. Let's say this is stored in Computer A. I have made this project into an ...
0
votes
0
answers
39
views
Get all column values from database and display in another class in Java using Netbeans [duplicate]
I'm pretty new to Java, but I need help with this. I'm trying to display information from a class method in another class, but I'm only able to display it in the console in the same class.
Here's my ...
- 53
0
votes
1
answer
177
views
inserting to database using java gui
I am trying to insert data from my netbeans to mysql workbench. there is no problem with the query but when I run the program a message box appear "Unknown column 'empJob' in 'field list '" ...
0
votes
0
answers
42
views
How can I insert only certain columns from a mysql table to netbeans?
I'm doing a calendar program in Netbeans using Mysql database. there is a table for every event which has many column, one of them being a Boolean called "Tarea" (Task). This determines if ...
- 15
0
votes
0
answers
111
views
Passing Username from one JFRAME to Another Using MYSQL in NetBeans
I am trying to get the username used to login so as to create a query for that specific user under MySQL. With that query i will be able to display all data from that specific row. i.e From this ...
- 86
-1
votes
1
answer
89
views
How to make setup file(.exe) from netbeans. And don't need to open xamp for database
Hope you guyes very fine! Well, i like to create application with netbeans using java code. I can make simple application with mysql database. Though after "built and run" if we run the jar ...
1
vote
0
answers
37
views
The program can't find Connector J [duplicate]
I want to connect to my DB, but always get an exeption: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
I've installed Connector J as a library on NetBeans:
enter image description here
Here ...
