How to remove rows from JTable in swing?

How to remove rows from JTable in swing?

We can remove a selected row from a JTable using the removeRow() method of the DefaultTableModel class.

How do I remove a selection from a JTable?

To completely remove the selection capability from JTable component we can change its focusable state to false by calling the setFocusable(boolean focusable) method.

How do you delete a row in Java?

Deleting a row can be straightforward: Just use deleteRow method of the ResultSet: rs. deleteRow( ); However, the Driver we are using, the ClientDriver, leaves a blank row in place of the data that was deleted.

How do I know if a JTable row is selected?

3 Answers. So you can call table. getSelectionModel(). isSelectionEmpty() to find out if any row is selected.

How do I make a row non editable in JTable?

From the Navigation Pane, expand JScrollPane and right-click on JTable and Select Customize Code as shown below:

1. On the code customizer, select the second drop down and choose custom property.
2. Now paste this: {public boolean isCellEditable(int row, int column){return false;}} before the last closing blacket );

How do you make a JTable column not editable?

Right-click on the table cells. From popup menu, choose “Table Contents..”. Uncheck the editable check box for the column you want to make it non-editable.

What is delete row?

Deleting a row is the third way to modify a ResultSet object, and it is the simplest. All you do is move the cursor to the row you want to delete and then call the method deleteRow . For example, if you want to delete the fourth row in the ResultSet uprs , your code will look like this: uprs.

How do you delete a record in Java?

There are four steps to delete a record from a table using JDBC API.

1. Open connection to the database.
2. Create a statement object to perform a delete query.
3. Execute the executeUpdate() method of statement object to submit a SQL query to database.
4. Close connection to the database.

How do I know if JTable is empty?

We can validate whether the JTable cell is empty or not by implementing the getValueAt() method of JTable class. If we click on the “Click Here” button, it will generate an action event and display a popup message like “Field is Empty” to the user.

What is JTable function?

The JTable is used to display and edit regular two-dimensional tables of cells. See How to Use Tables in The Java Tutorial for task-oriented documentation and examples of using JTable .

How can we remove a selected row from a JTable in Java?

We can remove a selected row from a JTable using the removeRow () method of the DefaultTableModel class.

How is JTable used in Model View Controller?

JTable is a subclass of JComponent class for displaying complex data structures. JTable can follow the Model View Controller (MVC) design pattern to display data in rows and columns. JTable can generate ListSelectionListener, TableColumnModelListener, TableModelListener, CellEditorListener and RowSorterListener interfaces.

How to apply a filter to a JTable?

The correct way to apply a filter to a JTable is through the RowFilter interface added to a TableRowSorter. Using this interface, the view of a model can be changed without changing the underlying model.

When to add new rows to the end of the model?

If the new size is greater than the current size, new rows are added to the end of the model If the new size is less than the current size, all rows at index rowCount and greater are discarded. But as you can’t find removeRoweither I suspect you haven’t typed you model variable as DefaultTableModelperhaps, maybe just TableModel?