Problem with the return value from a tablemodel after filtering

Question

I have a form (consult that return a value) with a jtextfield and a jtable. when the user types in the textfield, the textfield call a method to filter the tablemodel.
everything works fine, but after filtering the model, the references are lost and the return value does not match with the selected row.
I read that convertColumnIndexToView, convertRowIndexToView, vertColumnIndexToModel and convertRowIndexToModel, solve the problem, but I used all and nothing.
**** This is the code to fill the jtable
DefaultTableModel modelo=(DefaultTableModel)this.jTable1.getModel();
while(rs.next()){
Object[] fila= new Object[2];
fila[0]=rs.getObject("id_categoria");
fila[1]=rs.getObject("nombre");
modelo.addRow(fila);
this.jTable1.getColumnModel().removeColumn(this.jTable1.getColumnModel().getColumn(0));
// I delete the first column because is a ID, I dont want that the user see it. the value is only for me**** this is the method to filter from the jtextfield
private void FiltrarJtable1() {
TableRowSorter sorter = new TableRowSorter(this.jTable1.getModel());
sorter.setRowFilter(RowFilter.regexFilter("^"+this.jTextField1.getText().toUpperCase(), 1));
this.jTable1.setRowSorter(sorter);
this.jTable1.convertRowIndexToModel(0);
}*** this is the method that return the ID (id_categoria) from the tablemodel
private void SeleccionarRegistro(){
if(this.jTable1.getSelectedRow()>-1){
String str_id =this.jTable1.getModel().getValueAt(this.jTable1.getSelectedRow(),0).toString();
int_idtoreturn=Integer.parseInt(str_id);
this.dispose();
}else{
JOptionPane.showMessageDialog(this,"there are no records selected","Warning!",1);
}Who I can solve this problem?

Answer 1

m_ilio wrote:
I have a form (consult that return a value) with a jtextfield and a jtable. when the user types in the textfield, the textfield call a method to filter the tablemodel.
everything works fine, but after filtering the model, the references are lost and the return value does not match with the selected row.
I read that convertColumnIndexToView, convertRowIndexToView, vertColumnIndexToModel and convertRowIndexToModel, solve the problem, but I used all and nothing.
You're right in that you have to use convertRowIndexToModel(), but you are using it wrong. That method takes as input the index of a row in the view, i.e. the table, and returns the corresponding row in the underlying TableModel. No data is changed by the call, so this:
this.jTable1.convertRowIndexToModel(0);is meaningless by itself.
What you need to do is the following:
int selectedRow = this.jTable1.getSelectedRow(); // This is the selected row in the view
if (selectedRow >= 0) {
    int modelRow = this.jTable1.convertRowIndexToModel(selectedRow); // This is the corresponding row in the model
    String str_id =this.jTable1.getModel().getValueAt(modelRow, 0).toString();
}Hope this helps.