How to set JTextField length?

pnlBkBorrow = new JLabel("Book borrowed");
pnlMain.add(pnlBkBorrow);
textBkBorrow = new JTextField(25);
pnlMain.add(textBkBorrow);I am using GridBagLayout, but the length is only 1 after compling

I'm not a swing expert (and never used GridBagLayout, actually) but as far as I know, you must use GridbagConstraints to do what you asked.
Look at this example with a JButton:
JButton button;
pane.setLayout(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.HORIZONTAL;
button = new JButton("Button 1");
c.weightx = 0.5;
c.gridx = 0;
c.gridy = 0;
pane.add(button, c);
button = new JButton("Button 2");
c.gridx = 1;
c.gridy = 0;
pane.add(button, c);
button = new JButton("Button 3");
c.gridx = 2;
c.gridy = 0;
pane.add(button, c);
button = new JButton("Long-Named Button 4");
c.ipady = 40;      //make this component tall
c.weightx = 0.0;
c.gridwidth = 3;
c.gridx = 0;
c.gridy = 1;
pane.add(button, c);
button = new JButton("5");
c.ipady = 0;       //reset to default
c.weighty = 1.0;   //request any extra vertical space
c.anchor = GridBagConstraints.PAGE_END; //bottom of space
c.insets = new Insets(10,0,0,0); //top padding
c.gridx = 1;       //aligned with button 2
c.gridwidth = 2;   //2 columns wide
c.gridy = 2;       //third row
pane.add(button, c);and the result should be like this http://java.sun.com/docs/books/tutorialJWS/uiswing/layout/example-1dot4/GridBagLayoutDemo.jnlp

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Bala

experts,
can anyone suggest how to deal with this issue.
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You may find the article below helpful,
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Hi,
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how do i go about setting a max length for a TextField in jdk1.1.8 ?
a while back there was a topic on this but it was for jdk1.0
please help

well if it works in 1.0 it will most likely also work in 1.1.8 if it is depricated you can use the -deprication option during compilation to see what is derpricated and what method i advised to use now.
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How to set max length to textfield?

I have a textfield. I want to set maxlength to this textfield. Example, length = 3.
Help me?

I succeeded. That link you sent very well. Thanks you. Then it's code:
JTextFieldLimit.java
import javax.swing.text.*;
//import com.sun.java.swing.*;
//import javax.swing.text.*;
public class JTextFieldLimit extends PlainDocument {
   private int limit;
   // optional uppercase conversion
   private boolean toUppercase = false;
   JTextFieldLimit(int limit)
    super();
    this.limit = limit;
   JTextFieldLimit(int limit, boolean upper) {
    super();
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   public void insertString
     (int offset, String str, AttributeSet attr)
       throws BadLocationException {
    if (str == null) return;
    if ((getLength() + str.length()) <= limit) {
      if (toUppercase) str = str.toUpperCase();
      super.insertString(offset, str, attr);
tswing.java
import java.awt.*;
import javax.swing.*;
//import javax.swing.*;
public class tswing extends JApplet{
    JTextField textfield1;
    JLabel label1;
    public void init() {
      getContentPane().setLayout(new FlowLayout());
      label1 = new JLabel("max 10 chars");
      textfield1 = new JTextField(15);
      getContentPane().add(label1);
      getContentPane().add(textfield1);
      textfield1.setDocument
         (new JTextFieldLimit(10));
TextField.html
<html>
<applet code=tswing width=500 height=500>
</applet>
</html>
By tungld_c0701m+

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Hi,folks. I have a JTextField instance. How can I set the format to only allow user to only type the map scale(e.g. 1/2000). I can only use the JTextField component. Thank you in advance.

I think the regex you're looking for is"1/[1-9]\\d*"Note that in the regex you posted"1[\\]\\d*"the closing bracket is quoted by the backslash, causing the error you mentioned. Not that you needed a backslash there anyways.
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import java.util.regex.Pattern;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;
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         @Override
         public void replace(int offs, int len, String text,
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            String newText = getText(0, offs) + text +
                  getText(offs + len, getLength() - offs - len);
            if (isValidText(newText)) {
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         private boolean isValidText(String text) {
            Matcher m = p.matcher(text);
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      frame.pack();
      frame.setLocationRelativeTo(null);
      frame.setVisible(true);
}db

How to set the length of the reverb? (GarageBand)

Hey Guys,
im from germany and im just mixing and recording some songs in my free time with garage band 11.
When im recording my Voice and im using a reverb for it, i just can set the loudness of the reverb. but i want to set the lenght of it, i want to ask you guys how i can do that?
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Gern geschehen! Take good care of the old GarageBand '11 and make sure you back up your system as it is now, just in case!
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Hi All,
             I am creating 1 dynamic internal table with refrence of field catalog, but in the dynamic IT tab and work area i am gettinf field length is 10 char.
But i want to change this into 15 or 20 char like this.... how can i change this
Please help me .
DATA: ep_tab TYPE REF TO data,
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FIELD-SYMBOLS: <l_table> TYPE table,
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CREATE DATA new_line LIKE LINE OF <l_table>.
ASSIGN new_line->* TO <l_line>.
This is my code.
Regards,
Arjun.

Hi,
try this
** ALV DECALRATION
DATA : wa_lvc_cat TYPE lvc_s_fcat,
       gt_lvc_cat TYPE lvc_t_fcat.
DATA : wa_fieldcat TYPE slis_fieldcat_alv,
       gt_fieldcat TYPE slis_t_fieldcat_alv.
DATA : wa_slis_layout TYPE slis_layout_alv.
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*&      Form CREATE_DYNAMIC_ITAB
*       text
* --> p1        text
* <-- p2        text
FORM create_dynamic_itab .
CLEAR g_pos .
PERFORM fill_gt_lvc_cat_fld USING 'MATNR' 18 . "fieldname outputlen.
PERFORM fill_gt_fieldcat_field USING c_x 'MATNR' 'CHAR' 18   text-006.
PERFORM fill_gt_lvc_cat_fld USING 'CODE' 40 .
PERFORM fill_gt_fieldcat_field USING ' ' 'CODE' 'CHAR' 40 text-024.
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*      -->P_18     text
FORM fill_gt_lvc_cat_fld USING   p_fieldname TYPE any
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wa_lvc_cat-fieldname = p_fieldname . " 'MATNR'
wa_lvc_cat-outputlen = p_outputlen.   " 18
APPEND wa_lvc_cat TO gt_lvc_cat.
CLEAR wa_lvc_cat.
ENDFORM.                    " FILL_gt_lvc_cat_FLD
*&      Form FILL_GT_FIELDCAT_FIELD
*       text
*      -->P_C_X text
*      -->P_0012   text
*      -->P_0013   text
*      -->P_18     text
*      -->P_TEXT_006 text
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                                      p_datatype   TYPE any
                                      p_outputlen TYPE any
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wa_fieldcat-key        = p_key .       " c_x.
wa_fieldcat-fieldname = p_fieldname. " 'MATNR'.
wa_fieldcat-datatype   = p_datatype.   " 'CHAR'.
wa_fieldcat-outputlen = p_outputlen.                     " 18.
wa_fieldcat-seltext_m = p_seletext_m. " text-006.   "'Material'.
APPEND wa_fieldcat TO gt_fieldcat.
CLEAR wa_fieldcat.
ENDFORM.                    " FILL_GT_FIELDCAT_FIELD
PERFORM fill_output_layout.          " Fill the output data into field symbol
*&      Form FILL_OUTPUT_LAYOUT
*       text
* --> p1        text
* <-- p2        text
FORM fill_output_layout .
ASSIGN new_table->* TO <fs_table>.
CREATE DATA new_line LIKE LINE OF <fs_table>.
ASSIGN new_line->* TO <fs_line>.
LOOP AT gt_mseg INTO wa_mseg.
      ASSIGN COMPONENT 'MATNR' OF STRUCTURE <fs_line> TO <fs_field>.
      <fs_field> = wa_mseg-matnr.
    READ TABLE gt_grdtrans INTO wa_grdtrans WITH KEY mawerk = wa_mseg-WERKS
                                                         matnr = wa_mseg-matnr
                                                         mat_doc = wa_mseg-mblnr binary search.
        IF sy-subrc = 0.
        LOOP AT gt_qmfe INTO wa_qmfe WHERE qmnum = wa_grdtrans-qmnum.
         READ TABLE gt_qpct2 INTO wa_qpct2 WITH KEY codegruppe   = wa_qmfe-fegrp
                                                     code        = wa_qmfe-fecod
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          IF sy-subrc = 0.
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          <fs_field> = wa_qpct2-kurztext.
         ENDIF.
         endloop.
         clear wa_qmfe.
        ENDIF.
ENDLOOP.
    CLEAR wa_mseg.
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*&      Form FILL_LAYOUT
*       text
* --> p1        text
* <-- p2        text
FORM fill_layout .
wa_slis_layout-zebra             = c_x.
wa_slis_layout-colwidth_optimize = c_x.
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Edited by: ShaliniSinha on Mar 30, 2009 1:49 PM
Edited by: ShaliniSinha on Mar 30, 2009 1:55 PM

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How to set field length

Hi,
im using sap crystal report version 13.0.2000.0...
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ya i followed your suggestion but im not getting full data in report
..this is my stored procedure
ALTER PROCEDURE [dbo].[GetSecretarywiseConsolidatedPurchases]
     -- Add the parameters for the stored procedure here
     @Fromdate datetime,
     @ToDate datetime,
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AS
BEGIN
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          (TBID int IDENTITY(1,1) NOT NULL,
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               RDValue Decimal(18,2),
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in report-->0001005002
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Edited by: kiran86 on Feb 3, 2011 11:29 AM

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TABLE_NAME
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PARENT1
COL2
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OWNER                          CONSTRAINT_NAME
TABLE_NAME
COLUMN_NAME
POSITION
USER1                          PARENT1_PK
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2 ;
emp_name
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SCOTT
KING
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ADAMS
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MILLER
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SQL> select ename from emp;
ENAME
SMITH
ALLEN
WARD
JONES
MARTIN
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CLARK
SCOTT
KING
TURNER
ADAMS
ENAME
JAMES
FORD
MILLER
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nadeesha
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{code}____________________________________________________
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