hi,
to solve problem of Importing excel file in to JTable,I used
JTableReadTableModelTask class.
This class in not present in jdk version. Thats why I download one jar file named as...
datagrid-all.jar.
In enviornment variables,I set the classpath as
C:\datagrid\datagrid-all.jar
Now also my project give error as Can not find Class Symbol.
Is here any mistake to set the path.
Thanks,in advance.
Regards,
Vikas Sawant.
7 5272
How are you compiling the source files?
Thanks for reply.
I am using Editor-JCreator and there is buttons for compilation and execution,which I used.
Basically you need to tell your editor to use that jar as part of classpath when executing the javac command. How to do that may be documented in Jcreator's help (I don't use it and I don't know). If you can't find how you can always compile the files on the command line and provide the classpath yourself.
yes I make this modification.It works.My code for importing excel file is,
try {
String excelFileName = "Team1.xls";
File file = new File(excelFileName ); //‘file’ is the file you want to load.
JProgressBar progressBar = new JProgressBar(); //‘progressBar’ will show how much data it have loaded.
JTableReadTableModelTask task = new JTableReadTableModelTask(file,null,progressBar,mod el);
task.execute();
}
catch (IOException ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
}
but now it gives error that is,
D:\flb\Manual.java:1023: cannot find symbol
symbol : constructor JTableReadTableModelTask(java.io.File,<nulltype>,j avax.swing.JProgressBar,javax.swing.table.DefaultT ableModel)
location: class com.zfqjava.swing.JTableReadTableModelTask
JTableReadTableModelTask task = new JTableReadTableModelTask(file,null,progressBar,mod el);
What is the reason behind this error.
Thanks.
See the error message. It's trying to hard to tell what the problem is.
Basically that the JTableReadTableModelTask class does not have a constructor with parameters which match the arguments that you are passing when calling that constructor.
This is the constructor definition which i get from API ,
public JTableReadTableModelTask(Object urlObject,
Map readProperties,
JProgressBar progressBar,
JTable table)
Parameters:
urlObject - a java.io.File or java.net.URL object
readProperties - ModelIO
progressBar - a progress bar to monitor the read process
table - the result TableModel will set to JTable
please tell me what is wrong in my constructor.
Thanks,
Vikas Sawant
The error message that you got is telling you that you are passing a
javax.swing.table.DefaultTableModel where a JTable is expected.
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