How to fix the value of first column in the JTable in java swing for every

Hi ,
I have a swing page that have table panel in which there is a table of size 7x4 now when I click on the perticulat row then that row data will displayin the table like that the selected row become the second column in the new table and the fist column of this table will remain constant for all the entry but the second column update according to the roe which is selected .How it is possible .
Thanks in Advace,
anu

One thing you can do is to prevent the user from editing that column and programatically supply the values of that column yourself.
JTable table = new JTable() {
   public boolean isCellEditable(int row, int col) {
       if(col == 0) {
          return false;
       return super.isCellEditable(row, col);
};This allows you to prevent the user from editing the column information so you can supply some sort of a default value for the column always
ICE

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Hi Sam,
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Read From Measurement File... removes X Values of first column?

During one of our tests, two instruments were switched at the terminal by accident. I need to read in the massive lvm files, remove the wrong scaling and apply the correct scaling, while switching the values in the columns and right it all to new files. Simple right?
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The read from measurement file keeps removing the first column from the data! It outputs the data as a signal (dynamic data) and I have to use the dynamic to numeric array express vi. For some reason, before I even get to that point, the first column is not in the data.
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Below you can see the first column completely removed from the data.
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The alternatives seem less than adequate. The read from spreadsheet file vi wants an offset of a specific number of characters not rows. The problem is that this is not constant between rows for some reason, when hidden characters are taken into account so I cant just set the number of characters in 100 rows and increment the offset in a loop... like I normally would. That means I might miss data or get a corrupted row.
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[will work for kudos]
Attachments:
Scaling Factor Correction.zip ‏1109 KB

That is a great workaround. The help talked about putting a check next to "read lines" but for the life of me I couldn't find where to do that. I wonder what other VIs have mystery check options in the right mouse click menu. I mean normally options like those are inputs, I thought. I'm going to start right clicking on every VI I drop to see if there are options there I never realized.
I would still have to use the set file position VI and specify the byte offset right? How would I know where that is? I guess each character is a byte and I would count the characters in the string retrieved and then offset by that amount on the next iteration using a shift register?
While waiting for help, I ended up using the read from text file and using the match string to look for the new line character, and using the spreadsheet string to array vi, analyzed the files line by line. Thats just because I couldn't easily come up with a regular expression to get 100 lines. It was slow but it worked.
However, that still really doesn't answer the question of why it is impossible to get the first column with the read from measurement file express VI. Does anyone know? Is this a known bug?
[will work for kudos]

K-Bits (1) : Interchange the values of two columns

Hi Everyone
I wanted to get started a mechanism of knowledge sharing in the way of a series of threads called “K-Bits” (Knowledge Bits).
In our day to day work, we learn some new things which can be useful for others. However we hardly get a chance to share it with others.
Here is the opportunity to share your knowledge in the form of “K-Bits”.
Here we start with the First Tip of this series.
You might face a situation where you need to interchange the values of 2 columns in an Oracle database table.
E.g. there is a table employee having columns EMPID, FIRST_NAME, LAST_NAME and SALARY. By mistake the values of FIRST_NAME and LAST_NAME have been interchanged. Now you need to bring the data in correct state.
You can think about following few options:
Option-1_
1.     Alter table employee and add a new column TEMP_NAME to it.
2.     Update the values of LAST_NAME to TEMP_NAME.
3.     Update the LAST_NAME with the values of FIRST_NAME.
4.     Update the FIRST_NAME with the values of TEMP_NAME.
5.     Drop the column TEMP_NAME.
Option-2 (For Oracle version 9i or higher)_
1.     Alter table employee and rename LAST_NAME column to TEMP_NAME.
2.     Alter table employee and rename column FIRST_NAME to LAST_NAME.
3.     Alter table employee and rename column TEMP_NAME to FIRST_NAME.
Probably you can go ahead with any other solution as well. However there is one very simple solution.
Option-3_
Let do it by example:
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CREATE TBALE EMPLOYEE
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,LAST_NAME         VARCHAR2(30)
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INSERT INTO EMPLOYEE VALUES (1,'Khan','Jaheer', 10000);
INSERT INTO EMPLOYEE VALUES (1,'Agarkar','Ajit', 10000);
INSERT INTO EMPLOYEE VALUES (1,'Dravid','Rahul', 10000);
SELECT *
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UPDATE EMPLOYEE
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SELECT *
FROM EMPLOYEE; The update statement above solves the purpose. Is not it simple? But how does it work??
For any DML (Insert, Update or Delete) oracle internally fires the row level triggers. You can read more about triggers at
http://download-east.oracle.com/docs/cd/B10501_01/server.920/a96524/c18trigs.htm
and
http://download-east.oracle.com/docs/cd/B10501_01/appdev.920/a96590/adg13trg.htm#431
As you know in row level triggers the values of each column is stored in :OLD and :NEW parameters. For the above UPDATE statement oracle stores the old values of FIRAT_NAME and LAST_NAME in :OLD.FIRST_NAME and :OLD.LAST_NAME parameters respectively and then update FIRST_NAME with :OLD.LAST_NAME and LAST_NAME with :OLD.FIRST_NAME.
Regards
Arun Kumar Gupta

For any DML (Insert, Update or Delete) oracle internally fires the row level triggers.Any pointer to the documentation supporting this ?
Edited by: Saubhik on Dec 7, 2010 5:58 PM

How to fix the value of first column in the JTable in java swing for every

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