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Thread: About deleting rows from table model.

  1. #1
    Junior Member
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    Apr 2013
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    Post About deleting rows from table model.

    How to delete row from the table model without selecting it? The user will just input a number which matches the data from the table?


    ID | Name | Year |
    1 | Derpina D. | 3rd year |
    2 | Zsannen M. | 2nd Year |

    *The program will ask for an existing ID that will be deleted.

    ENTER ID #: 1

    *Once the user entered a valid ID, all the information about ID #1 will be deleted.

    ID | Name | Year |
    2 | Zsannen M. | 2nd Year |

    *The information is saved to a .txt file. Whenever i input ID number, the information about the entered ID will be deleted on the .txt file. The problem is, only in the GUI, the table, is not being deleted.

    *When deleting, you don't select the row. Instead, you have to input the ID #.

    Would someone help me with this? Thanks in return.
    Badly confused here. I've tried some codes but it doesn't work out.


    int select = Integer.valueOf(data.toString());
    int nRow = tableModel.getRowCount();
    Object[] tableData = new Object[nRow];
    for (int i = 0 ; i < nRow ; i++){
    tableData[i] = tableModel.getValueAt(i, i);

  2. #2
    Junior Member
    Join Date
    Nov 2011
    Aarhus, Denmark
    Thanked 1 Time in 1 Post

    Default Re: About deleting rows from table model.

    Have a look at the javadoc for the DefaultTableModel, it has the needed delete methods. Then you have to create your JTable with your own DefaultTableModel and use that.


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