Form displays NULL values

A page is using PL/SQL script to display data. There are 2 display variables. Instead of bringing initial set of data, it displays NULL values. It "fixes" itself after changing variable values from a drop down menu. Why is that and how to fix it?

If you plan on performing all of the work under the Click event, then you won't need to worry about assigning a Script scope to the variables, but if you are planning on using those variables outside of the Event, then David's answer is the way to go.
Another option is to use a hash table as it also works around the issue with variable scope in a UI Event.
#Define at beginning of script
$hashtable = @{}
$OKButton.Add_Click({$hashtable.SelectedTemplate=$Something})
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Need to display null values against table

Hi All,
I have one table in which I only need to display null values along with the rest of columns. for example
ename sal date
scott 2000 15/07/06
Michal
now my query should return---
ename sal date
michal
hare krishna
Alok

Maybe it is something like this?:
michaels> select column_name || ' contains ' ||
       dbms_xmlgen.getxmltype ('select sum(nvl2(' || column_name || ',0,1)) c from ' || table_name ).extract ('//text()').getnumberval() ||
       ' NULL values' null_columns
from cols
where table_name = 'EMP'
   and dbms_xmlgen.getxmltype ('select sum(nvl2(' || column_name || ',0,1)) c from ' || table_name ).extract ('//text()').getnumberval() > 0
NULL_COLUMNS
MGR contains 1 NULL values
COMM contains 10 NULL values

Grouping to display null values for all the missing dates

Hi SAP,
I am trying to display '0.00' value for all the missing dates in my crystal reports as follows:
17-Jan-14     40.00
18-Jan-14       0.00
19-Jan-14       0.00
20-Jan-14     80.00
However, my crystal report is showing as follows:
17-Jan-14     40.00
18-Jan-14       0.00
19-Jan-14
20-Jan-14     80.00
The missing dates with no data are group together and my '0.00' value is not. Kindly advise me the solution. The formula is shown as per attached.
Thank you.
Regards.

Hi,
Thanks for your reply.
Fyi, I am using a formula field in crystal report to display "0.00" for days in between as follows:
whileprintingrecords;
if Days_Between({Command.DocDate},next({Command.DocDate}),'dd-MMM-yy') = "" then "" else "0.00"
There is another formula field in crystal report to display the missing dates in between as follows:
whileprintingrecords;
Days_Between({Command.DocDate},next({Command.DocDate}),'dd-MMM-yy')
Below is my report custom functions:
Function Days_Between (datefield as datetime, nextdatefield as datetime, format as string)
' This function is only used to display what data is missing within a specified date range...output type is text
dim thisdate as date
dim nextdate as date
dim output as string 'output is the text display
dim daysbetween as number
dim looptimes as number
looptimes = 0
daysbetween = 0
output = ""
thisdate = datevalue(datefield) + 1
nextdate = datevalue(nextdatefield)
if nextdate - thisdate > 1 then daysbetween = nextdate - thisdate else daysbetween = 1
do
if nextdate - thisdate > 1 _
then output = output + totext(thisdate, format) + chr(10) _
else _
if nextdate - thisdate > 0 _
then output = output + totext(thisdate, format)
looptimes = looptimes + 1
thisdate = thisdate + 1
loop until looptimes = daysbetween
    Days_Between = output
End Function
The issue arise when when there is more than one missing dates in between but the null values ("0.00") displayed is only for the first missing dates and not for all the missing dates.
Regards,
Ting Wei

Cannot display NULL values as 0

I am trying to display a count by dates (which I am grouping by), but when the value is null, nothing displays and the dates are not displayed either. I want to display every date in the range entered in the prompt and its respective count, even if the count is '0', I want to see a '0'.
I have tried every suggestion posted on this forum for that same issue and nothing has worked.
I have checked the boxes under Report Options for 'Convert Database NULL values to Default' and 'Convert Other NULL Values to Default'. I had also created a formula for the count and had selected 'Default Values For Nulls', and that didn't work either.
Can someone suggest something else I may need to check on my report? I can't find any solution,and I'm desperate at this point.
Thanks.

You can do so but using a stored procedure.I have done this...since I have got the same requirement.
I am pasting a sample of the stored procedure.This stored procedure is created in Oracle.
create or replace procedure call_as_all_dates(
allDates IN OUT PKG_PCI_Compliance.allDates,
bDate IN solidcor.AS_SS_EVENTS.EVT_TIMESTAMP%TYPE,
eDate IN solidcor.AS_SS_EVENTS.EVT_TIMESTAMP%TYPE
as
dateDiff number;
begin
dateDiff :=TRUNC(TO_NUMBER(SUBSTR((eDate-bDate),1, INSTR(eDate-bDate,' '))));
open allDates FOR select rownum,0 as custID,to_char(null) as gName,to_char(null) as hName,trunc(bDate+ rownum) AS_DATE,to_char(null) as uName,to_char(null) as
evtName,to_char(null) as evtObject from sys.all_objects where rownum<dateDiff
union all
select rownum,asCust.ID,asGroup.NAME,ssEvents.HOST_NAME,ssEvents.evt_timestamp,ssEvents.evt_username,ssEvents.EVT_DISPLAY_NAME,ssEvents.EVT_OBJECT from solidcor.as_solidifier_groups asGroup inner join solidcor.as_ssgrp_ss_assoc ssGrpAssoc on (asGroup.GROUP_ID= ssGrpAssoc.GROUP_ID) right outer join solidcor.as_solidifiers asSf on (ssGrpAssoc.SS_ID=asSf.SS_ID) right outer join solidcor.as_ss_events ssEvents on (asSf.UUID=ssEvents.HOST_UUID) right outer join solidcor.AS_CUSTOMERS asCust on (ssEvents.CUSTOMER_ID=asCust.ID) where ssEvents.EVT_NAME in ('FILE_ATTR_SET_UPDATE', 'FILE_ATTR_CLEAR_UPDATE', 'ACL_MODIFIED', 'ACL_MODIFIED_UPDATE', 'FILE_CREATED', 'FILE_DELETED', 'FILE_MODIFIED', 'FILE_ATTR_MODIFIED', 'FILE_RENAMED', 'FILE_CREATED_UPDATE', 'FILE_DELETED_UPDATE', 'FILE_MODIFIED_UPDATE', 'FILE_ATTR_MODIFIED_UPDATE', 'FILE_RENAMED_UPDATE', 'FILE_SOLIDIFIED', 'FILE_RESOLIDIFIED', 'FILE_UNSOLIDIFIED', 'FILE_ATTR_CLEAR', 'FILE_ATTR_SET');
end;
Regards,
Amrita

Display null values

Am writing a 3 tier program. I am using java applets and mysql. One of the functions is to display values from the table in an applet. The condition is to display fields from the table that are null. I have been able to disply not null values (but not in an applet) but not null values. Can someone please tell me if it is possible and if so how. Sample code would be soooo helpful.
thanx

http://forum.java.sun.com/thread.jsp?thread=503983&forum=48&message=2386043

Display null value

hi how can i display the null value in th following query , where c512 got null value in position column
SELECT par.c_code,tab_to_string(cast(COLLECT(per.lastname) AS t_varchar2_tab)) AS lastname,Tab_to_string(cast(COLLECT(ATYPE.NAME) AS t_varchar2_tab)) AS POSITION
FROM SMS_PARTIES per,
SMS_ORGANISATION_CONTACTS con,
               SMS_PARTIES par,
               SMS_AFFILIATION_TYPES atype
WHERE per.id = con.per_id
AND par.ID = con.ORG_ID
AND ATYPE.ID = CON.ATYPE_ID
AND par.C_CODE IN ('C512','C70')
GROUP BY par.c_code
C_CODE LASTNAME POSITION
C70 Meyer,McPherson Chairperson,Treasurer
Edited by: user603350 on 2011/07/13 12:27 AM
Edited by: user603350 on 2011/07/13 12:27 AM

user603350 wrote:
i try this
SELECT par.c_code,Tab_To_String(cast(COLLECT(NVL(per.lastname,' ')) AS t_varchar2_tab)) AS lastname,
Tab_To_String(cast(COLLECT(NVL(ATYPE.NAME,' ')) AS t_varchar2_tab)) AS POSITION
FROM SMS_PARTIES per,
SMS_ORGANISATION_CONTACTS con,
               SMS_PARTIES par,
               SMS_AFFILIATION_TYPES atype
WHERE per.id = con.per_id
AND par.ID = con.ORG_ID
AND ATYPE.ID = CON.ATYPE_ID
AND par.C_CODE IN ('C512','C70')
GROUP BY par.c_code
but stil does not show null column it only show the c70 columnwhere is that c70 column?
do you mean this, c_code column which contains c70 data?
AND par.C_CODE IN ('C512','C70') If I understand you correctly: you want to display c_code column with null values, 'C512', and 'C70'.
AND nvl(par.C_CODE, 'C512') IN ('C512','C70')

Keeping table description on change and not displaying NULL values

I have the table grouped by BFY and then showing by fund. I can only get the description section to show up for the first fund and then when it changes funds nothing shows up. Then when the year changes again it appears.
ex.
BFY: 2005: 0100AXXXXD
but when the fund changes from 0100AXXXXD........nothing shows up.
Also I wanted to not include any funds/years that are null. I had the following code in but it isn't stopping the null values.
<?if: SEC_ZERO_INDICATOR !=0?>
Thanks for any help.

Need to see your xml data structure. Can you send me the xml and RTF file to [email protected]? I will take a look.
Thanks,
Bipuser

Display NULL values in iGrids as space?

Is there any way to tell the iGrid, that it should show columns containing DB NULL simply blank (e.g. one SPACE or anything else which is unvisible)? Actually NULL values are shown as "NA" for numbers resp. "---" for strings, which is rather annoying.

Hi Bodo,
Use this code to replace NULL values like "NA" or "---" with SPACE -
     for (i=0; i<=objGrid.getGridObject().getRowCount(); i++)
          for (j=0; j<=objGrid.getGridObject().getColumnCount(); j++)
               if (objGrid.getGridObject().getCellValue(i, j) == "" ||
                    objGrid.getGridObject().getCellValue(i, j) == "---" ||
                    objGrid.getGridObject().getCellValue(i, j) == "NA")
                    objGrid.getGridObject().setCellValue(i, j, " ");
Another way is if you are using a stylesheet then you can modify the stylesheet to handle NULL.
Regards,
Anil

Display null value:Report Filter using Show/hide report filter

Hi,
Is there any documentation from SAP BO that says "Report Filters don't display nulls."?
Report Filter as in by clicking the Show/Hide Report Filter in the Infoview toolbar.
Please help.
Thank you.

Hai
u r Thread is similar to
http://www.forumtopics.com/busobj/viewtopic.php?p=848982&sid=2a66a2348c7042773baaf7bfd10241b2

Hidden field in form returns null value

Hi all - I searched for this but found nothing that fit my problem although various other problems came up.
I have a Login jsp, with a simple form for username and password:
<form name="login" method="post" action="servlet/ControlServlet"
onSubmit="return validateForm()"><table width="180" border="0"
cellspacing="0" cellpadding="0">
            <tr>
              <td width="96" class="logintext">Username</td>
              <td width="84"> </td>
            </tr>
            <tr>
              <td><input name="username" type="text" size="15"
maxlength="15"></td>
              <td><input type="submit" name="Submit" value="Login"></td>
            </tr>
            <tr>
              <td class="logintext">Password</td>
              <td> </td>
            </tr>
            <tr>
              <td class="logintext"><input name="password" type="password"
size="15" maxlength="15"></td>
              <td><input name="actionCode" type="hidden" value="0"></td>
            </tr>
            <tr>
              <td> </td>
              <td><div align="center"><a href
="Register.jsp"><i>Register</i></a></div></td>
            </tr>
          </table>
          </form>Nothing complex in that form. my hidden field is actionCode and it should pass a 0 to my ControlServlet servlet.
Here is a snippet from my servlet:
import java.io.* ;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class ControlServlet extends HttpServlet {
public void doPost(HttpServletRequest request,
                    HttpServletResponse response)
      throws ServletException, IOException {
    response.setContentType("text/html");
            //get the printwriter to output for debugging
            PrintWriter out = response.getWriter();
            //read in form variables
        //String formUsername = request.getParameter("username");
        //String formPassword = request.getParameter("password");
        String action = request.getParameter("actionCode");
        //convert String to int for action
        //int actionInt = Integer.parseInt(action);
        //add action variable to request
        request.setAttribute("aktion", action);
            //debug point 1
            //use requestDispatcher to forward session info to JSP
           RequestDispatcher dispatcher =
           request.getRequestDispatcher("/mvcoutput.jsp");
           dispatcher.forward(request, response);I have commented out a bit for debugging purposes, but basically, the form variables are read in, the username and password don't give me any problems, but the actionCode does. Upon forwarding to a basic jsp for testing my output displays value "null" when using the command:
request.getAttribute("aktion")Any reason why the hidden field is playing silly buggers ??
cheers

Anyone ???
If I have a field in an html form which is hidden, do I retrieve it in the SAME WAY that I retrieve the non hidden form fields i.e. using the request.getParameter() method ??
Cheers.

Reset form to null values...except readonly fields.

I need the ability to set all of my checkboxes to a state where they are not Checked...and my dropdowns to a value of zero....and non-readonly text boxes to null string.
However, I have several text boxes with information I want to retain. They are set to readonly.
Do I have to write my own reset function to do this or can I configure the form fields in a manner that Adobe's resetForm will do the trick ?

You can set their default value to their current value. That will mean that
the resetForm command will not affect them.
If you don't want to do that then you'll need to write your own code to
reset the file, yes.
On Fri, Oct 24, 2014 at 4:35 PM, syswizardx <[email protected]>

Display null values in crosstab report.

I have a crosstab that will be sparsely populated. The datatype of the cells in the crosstab are numeric. I would like to have the cells that contain no data to have no value, but Crystal Reports inserts a zero there instead.
Is there anyway to tell CR that I want nulls to be treated as nulls and not zeros?
Thanks.
Regards,
Thanh

There is a Display String formula for fields, accessed by right-clicking the field and selecting Format Field. This is used to tell Crystal exactly what should be displayed for the field. Add the following logic (basic syntax):
if CurrentFieldValue = 0 then
formula = ""
else
formula = cstr(CurrentFieldValue, "0.00")
end if
This will cause all zero values to display as blank. I added the "0.00" parameter to the cstr() function to show that's how you tell cstr() how you want the number formatted. See the online help for cstr() for details.
HTH,
Carl

Form Returns Null Values or Empty Values For Variables After Clicking OK Button

I'm trying to create a new user based on a template user. Right now I just want to get the variables right, I just want to be able to select a template user, fill in the information that will be different, and click Create User.
I'm not sure why this isn't working. I think the problem is in the code for the OK button or Enter keypress but I'm not sure what's wrong with the code I've entered. Any advice would be helpful. I'm sure it's something simple but I'm fairly new to powershell
and syntax has been rather tricky for me. Sorry if it's a rookie mistake and thanks for any advice.
[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Drawing")
Write-Host "Creating The Form For Selecting Templates"
$TemplateForm = New-Object System.Windows.Forms.Form
$TemplateForm.Text = "Select a Template"
$TemplateForm.Size = New-Object System.Drawing.Size(640,700)
$TemplateForm.StartPosition = "CenterScreen"
Write-Host "Enabling Keystroke Response on Form"
$TemplateForm.KeyPreview = $True
Write-Host "Defining Keystroke Response for Enter Key"
$TemplateForm.Add_KeyDown({if ($_.KeyCode -eq "Enter")
{$SelectedTemplate=$TemplateListBox.SelectedItem;$newuserfirstname=$FnameTextBox.Text;$newuserlastname=$LnameTextBox.Text;$newusertitle=$TitleTextBox.Text;$newuserhiringmanager=$MgrNameTextBox.Text;$newuserphonenumber=$PhoneNumberTextBox.Text;$newuserdepartment=$DeptTextBox.Text;$TemplateForm.Close()}})
Write-Host "Defining Keystroke Response for Esc Key"
$TemplateForm.Add_KeyDown({if ($_.KeyCode -eq "Escape")
{$TemplateForm.Close()}})
Write-Host "Placing OK Button On Form"
$OKButton = New-Object System.Windows.Forms.Button
$OKButton.Location = New-Object System.Drawing.Size(75,550)
$OKButton.Size = New-Object System.Drawing.Size(75,23)
$OKButton.Text = "Create User"
$OKButton.Add_Click({$SelectedTemplate=$TemplateListBox.SelectedItem;$newuserfirstname=$FnameTextBox.Text;$newuserlastname=$LnameTextBox.Text;$newusertitle=$TitleTextBox.Text;$newuserhiringmanager=$MgrNameTextBox.Text;$newuserphonenumber=$PhoneNumberTextBox.Text;$newuserdepartment=$DeptTextBox.Text;$TemplateForm.Close()})
$TemplateForm.Controls.Add($OKButton)
Write-Host "Placing Cancel Button On Form"
$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Location = New-Object System.Drawing.Size(150,550)
$CancelButton.Size = New-Object System.Drawing.Size(75,23)
$CancelButton.Text = "Cancel"
$CancelButton.Add_Click({$TemplateForm.Close()})
$TemplateForm.Controls.Add($CancelButton)
Write-Host "Placing Label On Template List Box"
$TemplateListLabel = New-Object System.Windows.Forms.Label
$TemplateListLabel.Location = New-Object System.Drawing.Size(10,20)
$TemplateListLabel.Size = New-Object System.Drawing.Size(280,20)
$TemplateListLabel.Text = "Please fill out the following new user information:"
$TemplateForm.Controls.Add($TemplateListLabel)
Write-Host "Creating Template List Box for Form"
$TemplateListBox = New-Object System.Windows.Forms.ListBox
$TemplateListBox.Location = New-Object System.Drawing.Size(10,40)
$TemplateListBox.Size = New-Object System.Drawing.Size(260,20)
$TemplateListBox.Height = 520
Write-Host "Placing Label On First Name Box for Form"
$FnameTextLabel = New-Object System.Windows.Forms.Label
$FnameTextLabel.Location = New-Object System.Drawing.Size(300,20)
$FnameTextLabel.Size = New-Object System.Drawing.Size(95,20)
$FnameTextLabel.Text = "First Name:"
$TemplateForm.Controls.Add($FnameTextLabel)
Write-Host "Creating First Name Box for Form"
$FnameTextBox = New-Object System.Windows.Forms.TextBox
$FnameTextBox.Location = New-Object System.Drawing.Size(300,40)
$FnameTextBox.Size = New-Object System.Drawing.Size(95,20)
$TemplateForm.Controls.Add($FnameTextBox)
Write-Host "Placing Label On Last Name Box for Form"
$LnameTextLabel = New-Object System.Windows.Forms.Label
$LnameTextLabel.Location = New-Object System.Drawing.Size(400,20)
$LnameTextLabel.Size = New-Object System.Drawing.Size(95,20)
$LnameTextLabel.Text = "Last Name:"
$TemplateForm.Controls.Add($LnameTextLabel)
Write-Host "Creating Last Name Box for Form"
$LnameTextBox = New-Object System.Windows.Forms.TextBox
$LnameTextBox.Location = New-Object System.Drawing.Size(400,40)
$LnameTextBox.Size = New-Object System.Drawing.Size(95,20)
$TemplateForm.Controls.Add($LnameTextBox)
Write-Host "Placing Label On Department Box for Form"
$DeptTextLabel = New-Object System.Windows.Forms.Label
$DeptTextLabel.Location = New-Object System.Drawing.Size(500,20)
$DeptTextLabel.Size = New-Object System.Drawing.Size(95,20)
$DeptTextLabel.Text = "Department:"
$TemplateForm.Controls.Add($DeptTextLabel)
Write-Host "Creating Department Box for Form"
$DeptTextBox = New-Object System.Windows.Forms.TextBox
$DeptTextBox.Location = New-Object System.Drawing.Size(500,40)
$DeptTextBox.Size = New-Object System.Drawing.Size(95,20)
$TemplateForm.Controls.Add($DeptTextBox)
Write-Host "Placing Label On Title Box for Form"
$TitleTextLabel = New-Object System.Windows.Forms.Label
$TitleTextLabel.Location = New-Object System.Drawing.Size(300,70)
$TitleTextLabel.Size = New-Object System.Drawing.Size(95,20)
$TitleTextLabel.Text = "Title:"
$TemplateForm.Controls.Add($TitleTextLabel)
Write-Host "Creating Title Box for Form"
$TitleTextBox = New-Object System.Windows.Forms.TextBox
$TitleTextBox.Location = New-Object System.Drawing.Size(300,90)
$TitleTextBox.Size = New-Object System.Drawing.Size(95,20)
$TemplateForm.Controls.Add($TitleTextBox)
Write-Host "Placing Label On Manager Name Box for Form"
$MgrNameTextLabel = New-Object System.Windows.Forms.Label
$MgrNameTextLabel.Location = New-Object System.Drawing.Size(400,70)
$MgrNameTextLabel.Size = New-Object System.Drawing.Size(95,20)
$MgrNameTextLabel.Text = "Manager's Name:"
$TemplateForm.Controls.Add($MgrNameTextLabel)
Write-Host "Creating Manager's Name Box for Form"
$MgrNameTextBox = New-Object System.Windows.Forms.TextBox
$MgrNameTextBox.Location = New-Object System.Drawing.Size(400,90)
$MgrNameTextBox.Size = New-Object System.Drawing.Size(95,20)
$TemplateForm.Controls.Add($MgrNameTextBox)
Write-Host "Placing Label On Manager Name Box for Form"
$PhoneNumberTextLabel = New-Object System.Windows.Forms.Label
$PhoneNumberTextLabel.Location = New-Object System.Drawing.Size(500,70)
$PhoneNumberTextLabel.Size = New-Object System.Drawing.Size(95,20)
$PhoneNumberTextLabel.Text = "Phone Number:"
$TemplateForm.Controls.Add($PhoneNumberTextLabel)
Write-Host "Creating Phone Number Box for Form"
$PhoneNumberTextBox = New-Object System.Windows.Forms.TextBox
$PhoneNumberTextBox.Location = New-Object System.Drawing.Size(500,90)
$PhoneNumberTextBox.Size = New-Object System.Drawing.Size(95,20)
$TemplateForm.Controls.Add($PhoneNumberTextBox)
Write-Host "Creating Fake List of Templates"
$TemplateGroupList = "Test"
$TemplateForm.Controls.Add($TemplateListBox)
Write-Host "Ensuring List Box appears in front of other windows"
$TemplateForm.Topmost = $True
$TemplateForm.Add_Shown({$TemplateForm.Activate()})
[void] $TemplateForm.ShowDialog()
$SelectedTemplate
$newuserfirstname
$newuserlastname
$newusertitle
$newuserhiringmanager
$newuserphonenumber
$newuserdepartment
Pause

If you plan on performing all of the work under the Click event, then you won't need to worry about assigning a Script scope to the variables, but if you are planning on using those variables outside of the Event, then David's answer is the way to go.
Another option is to use a hash table as it also works around the issue with variable scope in a UI Event.
#Define at beginning of script
$hashtable = @{}
$OKButton.Add_Click({$hashtable.SelectedTemplate=$Something})
Boe Prox
Blog |
Twitter
PoshWSUS |
PoshPAIG | PoshChat |
PoshEventUI
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How to display null values in the graphs, when i select a date range?

Hi,
Can you please help me in achieving the below requirement:
We have a date promt, i have selected the date range from 12-Oct-2009 to 15-Oct-2009 and clicked on the go button.
In the above date range, data is only availabe on 14-Oct-2009. here the requirement is to display as all the records (12th, 13th , 14th & 15th) in the bar graph.
Currently the graph view is displaying the data only for 14-Oct-2009 in the bar graph.
If data is not available it should display in the bar graph as empty for that particular dates.
Help is highly apprieciated.
Thanks in Advance.

Check out [this post|http://obiee101.blogspot.com/2009/04/obiee-showing-zero-in-bargraph.html].

Cannot Save NULL value to database

I cannot save a null value through the data tab in the multi-row updates pane. It always gives me an error such as "Invalid number". It works fine through normal SQL update statement. Is there a preference somewhere to turn this on?
thanks in advance
Paul P

Hi Paul,
Just use the backspace key to obliterate any existing value -- that makes it null. Afterwards, if you refresh or close/reopen the object, the data tab will display any null as the value set in Tools | Preferences | Database | Advanced | Display Null Value As .
Regards,
Gary
SQL Developer Team

Form displays NULL values

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