passing parameters to applet dynamically

[ritu mahajan]

Hi,
I need to develop an applet that generates a Bar graph by getting values from a spreadsheet that a user enters.
The spreadsheet is an HTML file with some JavaScript.
How do I get the values from the spreadsheet and pass it to the applet class in order to generate thr bar graph?
thanks.

[Manfred Leonhardt]

Hi Ritu,
You would use JavaScript to create the HTML file that used the PARAM HTML tag to send in the values to your applet.
Then your applet would use the getParameter method inside its' init method.
FOr example:
HTML CODE:
< APPLET CODE="Ex" WIDTH=200 HEIGHT=100 >
< PARAM NAME="Value1" VALUE="35" >
< /APPLET >
Applet Code:

public void init()
{
  int value1;
  String temp;
  temp = getParameter( "Value1" );
  if( temp != null && temp.length() > 0 )
  {
    try
    {
      value1 = Integer.parseInt( temp );
    }
    catch( NumberFormatException nfe )
    {
      // Default value.
      value1 = 10;
    };
  }
}

Regards,
Manfred.

[ritu mahajan]

Originally posted by Manfred Leonhardt:
Hi Ritu,
You would use JavaScript to create the HTML file that used the PARAM HTML tag to send in the values to your applet.
Then your applet would use the getParameter method inside its' init method.
FOr example:
HTML CODE:
< APPLET CODE="Ex" WIDTH=200 HEIGHT=100 >
< PARAM NAME="Value1" VALUE="35" >
< /APPLET >
Applet Code:

public void init()
{
  int value1;
  String temp;
  temp = getParameter( "Value1" );
  if( temp != null && temp.length() > 0 )
  {
    try
    {
      value1 = Integer.parseInt( temp );
    }
    catch( NumberFormatException nfe )
    {
      // Default value.
      value1 = 10;
    };
  }
}

Regards,
Manfred.

[ritu mahajan]

Originally posted by Manfred Leonhardt:
Hi Ritu,
You would use JavaScript to create the HTML file that used the PARAM HTML tag to send in the values to your applet.
Then your applet would use the getParameter method inside its' init method.
FOr example:
HTML CODE:
< APPLET CODE="Ex" WIDTH=200 HEIGHT=100 >
< PARAM NAME="Value1" VALUE="35" >
< /APPLET >
Applet Code:

public void init()
{
  int value1;
  String temp;
  temp = getParameter( "Value1" );
  if( temp != null && temp.length() > 0 )
  {
    try
    {
      value1 = Integer.parseInt( temp );
    }
    catch( NumberFormatException nfe )
    {
      // Default value.
      value1 = 10;
    };
  }
}

Regards,
Manfred.

Thanks Manfred.
I'll try that.