How to get the column count at the bottom of the column

Hi Friends,
How to get the column count at the bottom of the column
Thanks
Raj

You mean row count? Add another column, click on the fx button and type RCOUNT(1).
If you want just the total you can make it MAX(RCOUNT(1)), hide this column and then add a Narrative View after your report and enter "Total Number of Records: @n" where "n" represents what order your column is from the left side.

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Example :
in the column "TT_NAME"
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I want this result
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<name>
<firstname>aaa</firstname>
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</name>
</TT_NAME>
but, I have this result
<TT_NAME>
<name>
<firstname>aaa</firstname>
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</name>
</TT_NAME>

Can you post some of your code, so I can take a look ?
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How to make the calculation or formula in bottom of the coloum

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Hi Ros
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SUM(some item - some other item) - this will not total if the original items themselves are in the query and are also being summed. This is because you are mixing aggregate and detail items within the total.
Try changing the formula like this:
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Michael Armstrong-Smith
URL: http://learndiscoverer.com
Blog: http://learndiscoverer.blogspot.com

How to get visible row count in JTable ?

I have one table which is added to one scroll pane. For example my table have total 1000 rows, but at a time only 20 rows should be visible to the scroll pane. And I want to scroll the rows and show only 20 at a time.When user scrolls JTable then next time he can view only 1 to 21, then 2 to 22, and so on. I want to know how to get that number which represents the visible row( in this case it is 20).So kindly help me how to get visible row count. Any help regarding this will be appriciated.
Thanks and Regards,
Sheetal

how to get visible row count.First you need to get the viewport used by the scrollpane. Then you can use methods like getViewPosition() and getViewSize() to get information about the current postition of and size of the viewport.
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When user scrolls JTable then next time he can view only 1 to 21, then 2 to 22, and so onThis is the default behaviour when a "block" scroll is done.
However when you click on the arrow button on the scrollbar it will only scroll a single row. You could override the getScrollableUnitIncrement() method to return the value from the getScrollableBlockIncrement() method.
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How to get file line count.

Hey guys,
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What I'd do is you create an infofetcher, register a listener, implement gotMore() and have that scan for '\n'
Some might suggest getting rid of the listener/sender pattern or use multiple threads to make ii faster. This might help a little, but only if your I/O is super-duper speedy.
you are welcome to use and modify this code, but please don't change the package or take credit for it as your own work.
InfoFetcher.java
============
package tjacobs.io;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
* InfoFetcher is a generic way to read data from an input stream (file, socket, etc)
* InfoFetcher can be set up with a thread so that it reads from an input stream
* and report to registered listeners as it gets
* more information. This vastly simplifies the process of always re-writing
* the same code for reading from an input stream.
* 
* I use this all over
 public class InfoFetcher implements Runnable {
 public byte[] buf;
 public InputStream in;
 public int waitTime;
 private ArrayList mListeners;
 public int got = 0;
 protected boolean mClearBufferFlag = false;
 public InfoFetcher(InputStream in, byte[] buf, int waitTime) {
 this.buf = buf;
 this.in = in;
 this.waitTime = waitTime;
 public void addInputStreamListener(InputStreamListener fll) {
 if (mListeners == null) {
 mListeners = new ArrayList(2);
 if (!mListeners.contains(fll)) {
 mListeners.add(fll);
 public void removeInputStreamListener(InputStreamListener fll) {
 if (mListeners == null) {
 return;
 mListeners.remove(fll);
 public byte[] readCompletely() {
 run();
 return buf;
 public int got() {
 return got;
 public void run() {
 if (waitTime > 0) {
 TimeOut to = new TimeOut(waitTime);
 Thread t = new Thread(to);
 t.start();
 int b;
 try {
 while ((b = in.read()) != -1) {
 if (got + 1 > buf.length) {
 buf = IOUtils.expandBuf(buf);
 int start = got;
 buf[got++] = (byte) b;
 int available = in.available();
 //System.out.println("got = " + got + " available = " + available + " buf.length = " + buf.length);
 if (got + available > buf.length) {
 buf = IOUtils.expandBuf(buf, Math.max(got + available, buf.length * 2));
 got += in.read(buf, got, available);
 signalListeners(false, start);
 if (mClearBufferFlag) {
 mClearBufferFlag = false;
 got = 0;
 } catch (IOException iox) {
 throw new PartialReadException(got, buf.length);
 } finally {
 buf = IOUtils.trimBuf(buf, got);
 signalListeners(true);
 private void setClearBufferFlag(boolean status) {
 mClearBufferFlag = status;
 public void clearBuffer() {
 setClearBufferFlag(true);
 private void signalListeners(boolean over) {
 signalListeners (over, 0);
 private void signalListeners(boolean over, int start) {
 if (mListeners != null) {
 Iterator i = mListeners.iterator();
 InputStreamEvent ev = new InputStreamEvent(got, buf, start);
 //System.out.println("got: " + got + " buf = " + new String(buf, 0, 20));
 while (i.hasNext()) {
 InputStreamListener fll = (InputStreamListener) i.next();
 if (over) {
 fll.gotAll(ev);
 } else {
 fll.gotMore(ev);
InputStreamListener.java
====================
package tjacobs.io;
 public interface InputStreamListener {
 * the new data retrieved is in the byte array from start to totalBytesRetrieved in the buffer
 public void gotMore(InputStreamEvent ev);
 * reading has finished. The entire contents read from the stream in
 * in the buffer
 public void gotAll(InputStreamEvent ev);
InputStreamEvent
===============
package tjacobs.io;
* The InputStreamEvent fired from the InfoFetcher
* the new data retrieved is from start to totalBytesRetrieved in the buffer
public class InputStreamEvent {
 public int totalBytesRetrieved;
 public int start;
 public byte buffer[];
 public InputStreamEvent (int bytes, byte buf[]) {
 this(bytes, buf, 0);
 public InputStreamEvent (int bytes, byte buf[], int start) {
 totalBytesRetrieved = bytes;
 buffer = buf;
 this.start = start;
 public int getBytesRetrieved() {
 return totalBytesRetrieved;
 public int getStart() {
 return start;
 public byte[] getBytes() {
 return buffer;
ParialReadException
=================
package tjacobs.io;
public class PartialReadException extends RuntimeException {
 public PartialReadException(int got, int total) {
 super("Got " + got + " of " + total + " bytes");
}

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hi,
plz tell me how to get succefuly loaded count into a table if i m using bulk collect & forall .

Check out the documentation:
Counting Rows Affected by FORALL with the %BULK_ROWCOUNT Attribute
The cursor attributes SQL%FOUND, SQL%ISOPEN, SQL%NOTFOUND, and SQL%ROWCOUNT, return useful information about the most recently executed DML statement. For additional description of cursor attributes, see "Implicit Cursors".The SQL cursor has one composite attribute, %BULK_ROWCOUNT, for use with the FORALL statement. This attribute works like an associative array: SQL%BULK_ROWCOUNT(i) stores the number of rows processed by the ith execution of an INSERT, UPDATE or DELETE statement.

How to get a distinct count of multiple columns

I've done this before and I'll be darned why I can't recall this.
Table with 3 columns with the primary key defined in column a.
Row a b c
num.
1 020 how abc
2 030 why def
3 010 not ghi
4 040 how abc
5 050 yes def
6 060 why def
So what I want is a count of the unique values for columns b and c as if b and c were actually one field.
So the result of the query would be:
Count = 4 unique rows.
Hopefully I'm making some sort of sense. It's a bit much to ask about the number of occurrences of each duplicate value, I'm sure just getting count of the unique rows of the non-indexed rows will be sufficient. Since the query is meant to be universal for multiple columns of numeric and alphanumeric data and can be expanded for multiple columns, I am simply trying to get a basic skeleton that works for an "on the fly" analysis.

Thanks to all of you. I had the idea and just couldn't nail it down. You did it.
All of you understood what I poorly communicated. My apologies for the lack of prep with a table, I was running patches on the system and couldn't dare interrupt it on my laptop and starting Oracle 11 while Micro$lop was patching all sorts of evil code. This is something I'm setting up on my own time so it's a work I'm going to try to be proud of. So there will be plenty of instrumentation and debugging code for timing.
I'd thought of concatenating columns and was worried it wouldn't backport to older Oracle versions (work goes back to 8.1.7) with nulls and other goofy things like long raw fields or lob/clobs plus the other DBs that are at various sites. What I'm trying to do is improve on a crappy data analysis tool SAP provides to use with reporting unique columns. (Basis people could recognize this as DB05). I tried dragging out the SQL that their ABAP/4 language generates from an SQL trace but it was unusable and often dies on internal storage which on most sites is about 4GB per process. Needless to say, the program is wasteful and I'm trying to keep the work on the DB where it belongs and discourage cowboys from doing this in the DB on the fly and at the same time make it simpler for junior members to use while having a semblance of an audit trail.
What I'm trying to do is work out a tool that checks all the crappy secondary indexes that were created by folks who seem to think in ways that are from an alien species not yet speculated about even with the strongest psychedelics. One of them actually decreases performance by a minimum factor of 5. It's not much when it's 5 seconds but when the response time averages about 3 hours beforehand, you can imagine what it was like afterward. In this particular case, the "logic" was that the index needed to be defined by the order of the fields of the select clause. Some myths never die. So it's not easy to work out which ones haven't been used in a long time, so it's down to finding which of the custom ones are actually bad in terms of selectivity. Some of these may have made a little bit of sense when the system was started up, now that some of these have millions of rows instead of a few thousand, thaw tend to expose the flaws in design.
I'm also trying to make this work on multiple DBs such as DB2, MaxDB and (sob) SQL Squealer. The idea is to write this in ABAP code as a utility without the overhead of internal tables in ABAP as some of these tables are many millions of rows and I have to account for the size in memory. (ABAP field sizes in internal memory are generally much larger than the actual DB lengths. so every bit helps!) So I'm trying to create actual SQL on the fly and use it internally without going through the SAP DB interface which limits the type of SQL functions used and all the overhead. It's intended to grab a secondary index and if there are more than 2 fields defined, work it backwards to show unique values for all columns, all columns - 1, all columns - 2 and so on back to the initial column in the index.
Why does this seem important? On Oracle I can generate histograms but those can often screw up SAP. On other DBs, the indexing cardinality is much more important, particularly with DB optimizers that make some odd decisions. So I need evidence I can push to folks who will only understand if there's a plain and simple analysis that explains it (almost) in crayon.
I'm testing null values next (which worked!) but these suggestions all seem to follow the same idea which won't work in ABAP without some serious memory issues. So I'm down to this type of coding:
exec sql.
<dynamically generated true SQL>
end-exec.
rather than using ABAP with their concept of "open SQL" and the DB interface with all the overhead.
RB's suggestion of the UNION ALL wasn't quite what I was looking for BUT it made me think that this would be a nice enhancement for evaluations!
So the candidates that seem to work for what I wanted are as follows:
SQL> SELECT COUNT (MIN (0)) AS distinct_col3_col4_cnt
2 from rb group by b, c;
DISTINCT_COL3_COL4_CNT
7
select count(distinct(b || c)) num_rows from rb;
So thanks also to Frank, APNL and Nimesh for their examples. Now the fun starts as I spec out the processing.

How To Get rid of Exponential format in datagridview when the number is very large

When the number is very large like :290754232, I got 2.907542E +08. in datagridview cell
I using vb.net , framework 2.0.
how can I get rid of this format?
Thanks in advance

should I change the type of this column to integer or long ?
The datagridview is binded to binding source and a list ( Of).
Mike,
I'll show you an example that shows the correct way to do this and a another way if you're stuck using strings in exponential format. The latter being the "hack way" I spoke about Friday. I don't like it, it's dangerous, but I'll show both anyway.
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First, I have a DataGridView with three columns. I've populated the data just by creating longs starting with the maximum value in reverse order for 100 rows:
The way that I created the data is itself not a great way (there's no encapsulation), but for this example "it'll do".
Notice though that the third column (right-most column) isn't formatted at all. I commented out the part that does that so that I could then explain what I'm doing. If it works, it should look like the first column.
The first column represents an actual Int64 and when I show the code, you can see how I'm formatting that using the DGV's DefaultCellStyle.Format property. That's how it SHOULD be done.
The third column though is just a string and because that string contains a letter in it, Long.TryParse will NOT work. This is where the "hack" part comes in - and it's dangerous, but if you have no other option then ...
You can see that now the third column matches the first column. Now the code:
Option Strict On
Option Explicit On
Option Infer Off
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, _
ByVal e As System.EventArgs) _
Handles MyBase.Load
With DataGridView1
.AllowUserToAddRows = False
.AllowUserToDeleteRows = False
.AllowUserToOrderColumns = False
.AllowUserToResizeRows = False
.AlternatingRowsDefaultCellStyle.BackColor = Color.Aquamarine
.ReadOnly = True
.SelectionMode = DataGridViewSelectionMode.FullRowSelect
.MultiSelect = False
.RowHeadersVisible = False
.RowTemplate.Height = 30
.EnableHeadersVisualStyles = False
With .ColumnHeadersDefaultCellStyle
.Font = New Font("Tahoma", 9, FontStyle.Bold)
.BackColor = Color.LightGreen
.WrapMode = DataGridViewTriState.True
.Alignment = DataGridViewContentAlignment.MiddleCenter
End With
.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.DisableResizing
.ColumnHeadersHeight = 50
.DataSource = Nothing
.Enabled = False
End With
CreateData()
End Sub
Private Sub CreateData()
Dim longList As New List(Of Long)
For l As Long = Long.MaxValue To 0 Step -1
longList.Add(l)
If longList.Count = 100 Then
Exit For
End If
Next
Dim stringList As New List(Of String)
For Each l As Long In longList
stringList.Add(l.ToString("e18"))
Next
Dim dt As New DataTable
Dim column As New DataColumn
With column
.DataType = System.Type.GetType("System.Int64")
.ColumnName = "Actual Long Value (Shown Formated)"
dt.Columns.Add(column)
End With
column = New DataColumn
With column
.DataType = System.Type.GetType("System.String")
.ColumnName = "String Equivalent"
dt.Columns.Add(column)
End With
column = New DataColumn
With column
.DataType = System.Type.GetType("System.String")
.ColumnName = "Formated String Equivalent"
dt.Columns.Add(column)
End With
Dim row As DataRow
For i As Integer = 0 To longList.Count - 1
row = dt.NewRow
row("Actual Long Value (Shown Formated)") = longList(i)
row("String Equivalent") = stringList(i)
row("Formated String Equivalent") = stringList(i)
dt.Rows.Add(row)
Next
Dim bs As New BindingSource
bs.DataSource = dt
BindingNavigator1.BindingSource = bs
DataGridView1.DataSource = bs
With DataGridView1
With .Columns(0)
.DefaultCellStyle.Format = "n0"
.Width = 150
End With
.Columns(1).Width = 170
.Columns(2).AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill
.Enabled = True
End With
End Sub
' The following is what I commented
' out for the first screenshot. ONLY
' do this if there is absolutely no
' other way though - the following
' casting operation is NOT ADVISABLE!
Private Sub DataGridView1_CellFormatting(ByVal sender As Object, _
ByVal e As System.Windows.Forms.DataGridViewCellFormattingEventArgs) _
Handles DataGridView1.CellFormatting
If e.ColumnIndex = 2 AndAlso e.Value.ToString IsNot Nothing Then
' NOTE! The following is dangerous!
' I'm going to use coercion to force the
' string into a type long. TryParse will
' NOT work here. This can easily throw an
' exception if the string cannot be cast
' to a type long. I'm "depending on" the
' the string to cast. At the very least
' you might put this in a Try/Catch but
' that won't stop it from failing (if
' it doesn't work).
Dim actualValue As Long = CType(e.Value.ToString, Long)
Dim formattedValue As String = actualValue.ToString("n0")
e.Value = formattedValue
End If
End Sub
End Class
Like I said, only use that hack way if there's no other option!
I hope it helps. :)
Still lost in code, just at a little higher level.

How to get my ipad to connect to itune if the password is locked

How to get ipad to connect to itune if the password is locked.

note total data loss
recovery mode
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plug cable into computer not iOS device
turn device off
hold home button and plug cable into IOS device. do not release home button until an itunes graphic appears on IOS device.
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Peace, Clyde
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How to get the column count at the bottom of the column

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