[How can i display date format like "7-NOV-2019'?]

I already change the java class into java.util.Date and change the pattern for that field into the format that i want but nothing happened.. i also set the pattern expression like this "new SimpleDateFormat("dd/MM/yyyy").format($F{yourdatefield})" but still cannot get the answer.. Hope any of you guys can help me :(

[Adding images from the database into Jaspersoft Studio report]

Seeking help for this error issue .. attach here with the error code 

net.sf.jasperreports.engine.JRException: net.sf.jasperreports.engine.JRException: Unable to get value for result set field "SIGNED" of class java.awt.Image.
    at com.jaspersoft.studio.editor.preview.view.control.ReportController.fillReport(ReportController.java:550)
    at com.jaspersoft.studio.editor.preview.view.control.ReportController.access$18(ReportController.java:525)
    at com.jaspersoft.studio.editor.preview.view.control.ReportController$1.run(ReportController.java:443)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: net.sf.jasperreports.engine.JRException: Unable to get value for result set field "SIGNED" of class java.awt.Image.
    at net.sf.jasperreports.engine.JRResultSetDataSource.getFieldValue(JRResultSetDataSource.java:389)
    at net.sf.jasperreports.engine.fill.JRFillDataset.setOldValues(JRFillDataset.java:1501)
    at net.sf.jasperreports.engine.fill.JRFillDataset.next(JRFillDataset.java:1402)
    at net.sf.jasperreports.engine.fill.JRFillDataset.next(JRFillDataset.java:1378)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.next(JRBaseFiller.java:1194)
    at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:108)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:615)
    at net.sf.jasperreports.engine.fill.BaseFillHandle$ReportFill.run(BaseFillHandle.java:135)
    at java.lang.Thread.run(Thread.java:748)
Caused by: net.sf.jasperreports.engine.JRException: Image read failed.
    at net.sf.jasperreports.engine.util.JRJdk14ImageReader.readImage(JRJdk14ImageReader.java:70)
    at net.sf.jasperreports.engine.util.JRImageLoader.loadAwtImageFromBytes(JRImageLoader.java:164)
    at net.sf.jasperreports.engine.JRResultSetDataSource.getFieldValue(JRResultSetDataSource.java:372)
    ... 8 more
 

[Why some of my fields did not go up to replace the position of field that is blank?]

i already use float and remove line when blank functions but nothing happen .. Kindly seek for your opinion tq

[How to display the number of the column which refer to the table?]

For example, there are 8 columns in my table and i want to display "Buyers 1 to 8 as follows" .. I have tried to use 'column count' but it did not count the number of column exist in the table and te result appears "Buyers 1 to 1 as follows".. PLEASE ELPPP

[How to convert value 1000.00 to 100,00.00?]

yeah it works tq sir :) .. i have casted the field that i want and it automatically convert the class from String to BigDecimal and i can set the pattern that provided by Jaspersoft Studio..

p/s: sorry for my bad english  peace from Malaysia   

[How to convert value 1000.00 to 100,00.00?]

I already try to change the pattern format for the number and use some pattern expression but nothing happen .. ELPP