Number to exponential format in mapping

Hi Experts,
I want to convert number to exponential format. (Example number 254 to 2.5400000000E+01), is this possible using FormatNumber function??? if not can you anyone provide me UDF for this.

Yes. You can use number format function.
http://wiki.sdn.sap.com/wiki/display/XI/StandardFunctionsinPI7.0
http://wiki.sdn.sap.com/wiki/display/HOME/MessageMappingFormat+Number
http://download.oracle.com/javase/1.3/docs/api/java/text/DecimalFormat.html
Refer this if you want to acheive this using udf-
http://www.exampledepot.com/egs/java.text/FormatNumExp.html

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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.
In this example, I'm using Int64 because I don't know the range of yours. If your never exceeds Int32 then use that one instead.
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.

About the number of rows used to map data in Xcelsius

Hi Everyone:
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Edited by: skull_buck on Aug 6, 2009 7:40 PM

Hi Greg
Thanks for your fast reply.
What you suggested is exactly what I am doing now, and also I increased the number of rows allowed to map en Xcelsius which are 512 by default.
I would like to know now, how many rows are advisable to increase? Because I am using some components and you must specify for each one a certain number of rows.
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Skull

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Hi ABAPers,
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EAN Code - 4011100191006
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Thanks.
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eg... a no. like 8.00000000000004E-01
8.88888888888884E-01
and
a no. like 1.50000000000000E+00
9.44444444444442E-01

I think you can just move from type F to type p.
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Hi, folks. My company buy a third party component, it contains a scale editor which is subclass of JTextField. However, I don't why this map scale editor allows people to entry number , ,alpha and space in it(it means every letter shown on the keyboard can be typed in the scale editor). My just want to know to how to set the certain format to let people to only type in the following format: 1/200000.
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Dear Friends,
Could you please help me with a code that will take 'sum of all values of a column' as input parameter & return its value in word format.
Number can be negative , it can/can't contain digits after decimal.
i have two ways but it won't work when my no. becomes negative
Moreover i want that it should work on both type of data, numbers without decimal & number with decimal.
that is what i possess:
1)
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p_number number;
type myArray is table of varchar2(255);
l_str myArray := myArray( '',
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' billion ', ' trillion ',
' quadrillion ', ' quintillion ',
' sextillion ', ' septillion ',
' octillion ', ' nonillion ',
' decillion ', ' undecillion ',
' duodecillion ' );
l_num varchar2(50);
l_return varchar2(4000);
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p_number:=num1;
l_num:=trunc( p_number );
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and
2)
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Common question.
But you will have realised that already if you'd bothered to search the forum...
http://forums.oracle.com/forums/search.jspa?threadID=&q=number+to+word&objID=f75&dateRange=all&userID=&numResults=30

Number to exponential format in mapping

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