Header for each column of data

I am struggling to get header for each column in attached code. I would like to see this data in excel with header at the top. Also I wonder how to know which column belongs to which plot and which axis.
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Attachments:
saving for excel.vi ‏130 KB

I would keep this in the original thread.

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Problem with header for each column

Hi,
I want change column header-text dynamically in the table control of module pool programming.Please help me.

Hi Abhijit,
no need to put '&' in the variable .You just give the name of the variable as lw_text and also dont forget to expand the Def.Length attribute to equal to the length of that variable in the decalration.It is working for me.
put the follwoing code in PAI module.
Data:lw_text(15).
If cond1 = true.
lw_text = 'Description 1'.
elseif cond2 = true.
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Endif.
Using the above code u can modify dynamically.

JTable - One Column Heading for Two Columns

Can you adjust the default JTable to have one column heading for two columns of data? Is there a simple span command? I've looked at the api for JTable and JTableHeader and didn't see anything, is there something I'm missing? Any help would be appreciated.

What i am trying to accomplish is have column 'E' span 2 columns.
This is my code thus far, however it give the error from my pryor message. I am pretty sure it is because I'm using and Object[][] and a String[] instead of Vectors. What corrections do I need to make in order for my goal of:
[ A ][ B ][ C ][ D ][ E ][ F ][ G ]
[ 1 ][ 2 ][ 3 ][ 4 ][5][6][ 7 ][ 8 ]
Object[][] data = new Object[ROWS][COLUMNS];
String[] columnNames = {"A","B","C","D","E","E","F","G"};
table = new JTable(data, columnNames);
table.setBackground(Color.white);
table.addKeyListener(this);
DefaultTableCellRenderer d = new DefaultTableCellRenderer();
d.setHorizontalAlignment(JLabel.CENTER);
table.setDefaultRenderer(table.getColumnClass(0),d);
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TableColumn aColumn = header.getColumnModel().getColumn(i);
TableCellRenderer renderer = aColumn.getHeaderRenderer();
if (renderer == null) {
renderer = new DefaultTableCellRenderer(){
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column){
JTableHeader header = table.getTableHeader();
if (header != null) {
setForeground(header.getForeground());
setBackground(header.getBackground());
setFont(header.getFont());
setHorizontalAlignment(JLabel.CENTER);
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Get frequent data for each column of a table

What is the best way to get the most frequent data in each column of a table.
we have around 25 tables and each table has around 20 columns , so rather than writing group by for each column of table , is there any easy way to find this?
example we have table
Column A       Column B         Column C
Apple             Monday             Red
orange            Tuesday            Green
Apple              Monday            Red
Lemon            Wednesday       Green
Apple               Thursday         Red
in this table, column A's frequnt data is Apple , column B's frequent data is Monday , Column C's frequnt data is Red
Apple 3          Monday 2                  Red 3
Orange 2        Tuesday 1                 Green 2
Lemon 1          Wednesday 1
                      Thursday 1
Group by kind of query will give this result, but with 20 tables each having 20 - 30 columns if we need similar kind of result .. is there any way to get this data.

Hi,
GROUP BY (using aggregate functions) is the best way to do what you described.
PIVOT and UNPIVOT are probably what you'd want in this case. The phrase "GROUP BY" may not actually appear in your code, but you'll essentially be doing a GROUP BY.
Analytic functions (rather than aggregate functions) can do the job, too, but they'll be less efficient. Analytic functions get you results about the groups, without losing each row's identify, but in this case, losing each row's identity is eactly what you want to do. You only want 'Apple' to appear 1 time, not 3 times.
The fact that you need to do the same query on 20 different tables suggests that there's something wrong with your table design. Wouldn't it be better to have 1 big table, with a new column that has 20 unique values instead?
I hope this answers your question.
If not, please post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) from all tables involved, so that the people who want to help you can re-create the problem and test their ideas.
Also post the results you want from that data, and an explanation of how you get those results from that data, with specific examples.
Simplify the problem as much as possible. For example, instead of posting a problem with 20 tables, each having 25 columns, post a similar problem involving, say, 2 tables, each with 3 columns.
Always say which version of Oracle you're using (for example, 11.2.0.2.0).
See the forum FAQ: https://forums.oracle.com/message/9362002

How to put the proper header at each column in write to measurement file (.lvm) ?

Hi,
i would like to know one thing about the write to measurement file. Can i put the proper header at each column in write to measurement file (.lvm) ? and how can i do for it ? Could you show me a way to make it ?
i am looking forward your kindly reply.
thank you so much ..
best regard,
roxy

Hi Mike,
Thank you very much for your help. It works .
By the way, i would like to ask you about setting time interval. In the pic, X_Value column is for time column
i would like to ask that when i use the write to measurement file, there got the x column that show time inside the excel file. In this column, i would like to set the time interval at every 210ms .The data may come in every msec but i just want to record the data at every 210ms . for example, 210ms-420ms-630ms ..etc. how can i set it ?
One more thing .. can i do it in graph as well ?
i am looking forward your kindly reply.
Thank you for your time.
Best Regard,
Roxy

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We are using RTF templates to create XML Letters.
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2) Can we have a data filed column in the header?
Thanks,

Ha ha, Thanks, that is exactly what I needed! How perfectly obvious, but somehow easy to miss! Thanks so much.
Eric

Multi-column Index vs One index for each column

Hello everyone,
i have one table about 20 000 000 rows, some developers have to generate reports on it and i want to create indexes on this table.
The table has 34 columns, no primary key, no unique keys.
The "where..." clause of the reports usually use 8 columns but some reports uses 8 + some other columns.
can any one help me on what kind of indexes do i have to create?
1. one index for each column used in "where clause"
2. one index for 8 columns and some other indexes for other used columns
3. one index for all columns
or something else etc...
br flag

i have one table about 20 000 000 rows, some developers have to generate reports on it and i want to create indexes on this table.
The table has 34 columns, no primary key, no unique keys.
The "where..." clause of the reports usually use 8 columns but some reports uses 8 + some other columns.
can any one help me on what kind of indexes do i have to create?
1. one index for each column used in "where clause"
2. one index for 8 columns and some other indexes for other used columns
3. one index for all columns
or something else etc...What's the version of your data base? what kind of database you have, DWH or OTLP? The answer might depend on the type of database as far as bitmap indexes might suit or might not depending if you are runing DWH or OLTP kind of database
Let me suppose that you are runing OLTP database and you have a where clause with 8 columns.
1) are all those where clause equalities (where col1 = and col2 =) or there are inequalities?
2) could you evaluate the most repetitive columns?
3) could you know the column that could have the best clustering factor (the column which most follow a certain order in the table)
Based on that I would suggest to create one b-tree index having 8 columns (even though that it seems for me to high) this index should follow the following points:
1) put the most repetitive column at the leading edge (and compress the index if necessary)
2) put the columns that are used in equalitity predicate first
3) put the column having the best clustering factor first
The most precise index you have the best access you could gain.
Of course that you have to know that an index access is not always good and a FULL table scan is not always bad.
Best regards
Mohamed Houri
www.hourim.wordpress.com

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Hi all,
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I have a "commandButton" at the bottom of DataModel, and whenever someone checks some of the rows on that list of rows,
I need to get the selected dataModel(fragment of the list) in my backing bean.
How do I achieve this functionality in JSF?
Thanks,
Meghasyam.

Hi all,
I need to add a checkbox control for each row of data
on a DataModel object.
I have a "commandButton" at the bottom of DataModel,
and whenever someone checks some of the rows on that
list of rows,
I need to get the selected dataModel(fragment of the
list) in my backing bean.
How do I achieve this functionality in JSF?
Thanks,
Meghasyam.You'll want to have a wrapper class as suggested above, which has a "selected" boolean in it. Then use the "binding" attribute of the h:selectBooleanCheckbox component to bind the checkbox to that property... Make the property public and specify the properties exact name in the binding... bindings do not append "get" to the EL.
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<h:dataTable id="namestable"
value="#{myBackingBean.names}"
var="aName">
<h:column>
<h:selectBooleanCheckbox binding="#{aName.selected}"/>
<h:outputText value="#{aName.nameText}"/>
</h:column>
</h:dataTable>
Let me know if that isn't clear enough and I'll see if I can find a better way to explain it...
-Garrett

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HI!,
I am using CL_GUI_DOCKING_CONTAINER to display 3 ALV grids on single screen, i t's working fine, now want to show separate title (Heading ) for each grid, Please someone tell me how to do that..

Hi,
Declare a layout as follows :
data : grid_layout type table of lvc_s_layo with header line.
grid_layout-grid_title = 'Title1'.
and then pass the layout with the required title.
call method ob_grid1->set_table_for_first_display
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              it_fieldcatalog = it_slis.
This will help for sure.
Regards,
Sonal

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I'm using MVC for my app, which pulls data from other sites, (news, blogs, video, twitter). Would I have a model for each set of data, or one for all that fires differint events depending on the data?
Thanks in advance!

Attached please find the screenshots and help me out. You can maximize to view em.
Thanks,
Attachments:
Air water2000.vi ‏490 KB

How to boldface the header for ONE column

hi,
I want to know how to boldface the header for ONE column. The following will boldface the header for all the columns in the table
table.getTableHeader().setFont(new java.awt.Font("Dialog", 1, 12));
Thanks.
Jrabi

jtable.getColumnModel().getColumn( indexOfBoldColumn ).setHeaderRenderer( TableCellRenderer aRenderer )

Single heading for Multiple columns in ALV

Hi Experts,
      I need to display a common column heading for multiple columns in my ALV Grid Display output. I am giving the sample output here.
MATNR...WERKS..| Unrestricted Stock|....|Stock in transfer        |....|Stock in Quality|.
............................| CAT | SAP | Differe| .. | CAT   | SAP | Diff   | .. | CAT   | SAP | Diff |
As I shown above, for 3 columns CAT, SAP, and for Difference, I need to get "Unrestricted Stock" as column heading... and so on...
Pl. suggest me on this.
Thanks in Advance
Ramakrishna

Hello Ramki,
NOT POSSIBLE IN ALV AT ALL :-((
You have to use classical report using WRITE stmts for this.
If your client does not want to lose ALV functionalities, then you can try something like.
Unrestricted Stock-SAP | Unrestricted Stock-CRM | Unrestricted Stock-Diff. Stock ... and so on !!!
BR,
Suhas
Edited by: Suhas Saha on Jan 21, 2009 3:00 PM

Matrix with different dimensions for each column

Hi,
I would like to have a matrix with different dimensions (rows) for each
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With a simple array it is not possible, and then I make an array (for
my columns) of clusters and each cluster has another array (rows for
that column). Is it the best way to do it? Is it correct?
Thanks,
ToNi.

Yes, everything we told you in this old thread is still true!
LabVIEW Champion . Do more with less code and in less time .

Want some discription for each column

Hi expert, I have one req.
I created my rpd with around 100 tables and 800 column. Now my user having discription of each column in on excel sheet. Now we want to show discription of each column (once we put our mouse on it in answer). So how can we do it. We dont want to write discription of each column manually. So is there any way to impliment this.
Thanks

Hi Gys,
Thanks for replying.
Kishore thanjks for suggestion .
User need to go our indivisual column in some place , Search that column out of 800 column and then see the discription.
So we are thinking for that type of implimentation.
Kart Thanks for link. But again we have to do it for each column manually i.e for 800 columns. But we dont want that.
Thannks

How to dump block and identify the bytes stored for each column

SQL> select header_file, header_block
2 from dba_segments
3 where segment_name = 'APARTMENTS';
HEADER_FIL HEADER_BLO
4 1692
1 row selected.
SQL> alter system dump datafile 4 block 1693;
Statement processed.
How can I see the dump block and identify the bytes stored for each column?
tab 0, row 0, @0x73b
tl: 125 fb: H-FL lb: 0x1 cc: 4
col 0: [25]
52 65 64 77 6f 6f 64 20 53 68 6f 72 65 73 20 41 70 61 72 74 6d 65 6e 74 73
col 1: [20] 00 54 00 01 02 08 00 00 00 01 00 00 00 01 00 00 00 00 1b 8d
col 2: [53]
00 54 00 01 02 0c 00 00 00 01 00 00 00 01 00 00 00 00 1b 8e 00 21 09 00 00
00 00 00 00 11 00 00 00 00 00 01 45 6d 65 72 67 65 6e 63 79 20 44 65 74 61
69 6c 73
col 3: [20] 00 54 00 01 01 08 00 00 00 01 00 00 00 01 00 00 00 00 1b 8f

SQL> select header_file, header_block
2 from dba_segments
3 where segment_name = 'APARTMENTS';
HEADER_FIL HEADER_BLO
4 1692
1 row selected.
SQL> alter system dump datafile 4 block 1693;
Statement processed.
How can I see the dump block and identify the bytes stored for each column?
tab 0, row 0, @0x73b
tl: 125 fb: H-FL lb: 0x1 cc: 4
col 0: [25]
52 65 64 77 6f 6f 64 20 53 68 6f 72 65 73 20 41 70 61 72 74 6d 65 6e 74 73
col 1: [20] 00 54 00 01 02 08 00 00 00 01 00 00 00 01 00 00 00 00 1b 8d
col 2: [53]
00 54 00 01 02 0c 00 00 00 01 00 00 00 01 00 00 00 00 1b 8e 00 21 09 00 00
00 00 00 00 11 00 00 00 00 00 01 45 6d 65 72 67 65 6e 63 79 20 44 65 74 61
69 6c 73
col 3: [20] 00 54 00 01 01 08 00 00 00 01 00 00 00 01 00 00 00 00 1b 8f

Header for each column of data

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