Moving Information from list box to textarea

Hi guys,

I have a problem with my javascript. I need to move values in the list box to a textarea in the same page but in different forms. When i select the value in the list box and click on the button it should print something like this:

start telnet 192.168.111.80
start /w LAN789.vbs
cls
start telnet 192.168.111.81
start /w LAN789.vbs
cls

The IP address is a value from the list box. I am also wondering if it is possible to select multiple and print it all out in the textarea like the above. The list box get its values from the database.

Thanks
Irwin

What have you got so far ?

To get help with your code, you have to show us your code.

This is my javascript:

<SCRIPT LANGUAGE="JavaScript"><!--

function additive() {
document.form1.BATfile.value += document.form1.select1.options[document.form1.select1.selectedIndex].text + "\n";
}
//--></SCRIPT>

This is my list box:

<form name="form1" method="post" action="">
<select name="select1" size="10">
<%
While (NOT objRS.EOF)
%>
<option value="<%=(objRS.Fields.Item("GRP").Value)%>" <%If (Not isNull((objRS.Fields.Item("GRP").Value))) Then If (CStr(objRS.Fields.Item("GRP").Value) = CStr((objRS.Fields.Item("GRP").Value))) Then Response.Write("SELECTED") : Response.Write("")%> ><%=(objRS.Fields.Item("GRP").Value)%></option>
<%
objRS.MoveNext()
Wend
If (objRS.CursorType > 0) Then
objRS.MoveFirst
Else
objRS.Requery
End If
%>
</select>
<br>
<input type="submit" name="Submit" value="Add" onClick="additive()">
<br>
</form>

This is the textarea:

<form action="<%=request.ServerVariables("SCRIPT_NAME")%>" method="post" name="formBATfile" id="formBATfile">
<font color="#4799B6" face="Arial, Helvetica, sans-serif">Enter BAT Commands:</font><br>
<textarea name="BATfile" cols="55" rows="18" wrap="VIRTUAL"><%=textFile1%></textarea>
<br>
<input name="saveBat" type="submit" id="saveBat" value="Save">
<input type="hidden" name="VB" value="<%=request("VB")%>">
<input type="hidden" name="BAT" value="<%=request("BAT")%>">
<input type="hidden" name="callback1" value="true">
</form>

Thanks
Irwin

This line

Code:

---

document.form1.BATfile.value += document.form1.select1.options[document.form1.select1.selectedIndex].text + "\n";

---

Should be

Code:

---

document.formBATfile.BATfile.value += document.form1.select1.options[document.form1.select1.selectedIndex].text + "\n";

---

And you might want to change the type attribute on the form1 add button from 'submit' to 'button' this avoids having the page reload to it's original state every time you press add.

Thanks for the help. I can now add the value in.

But there is still the other values like

start telnet 192.168.111.81
start /w LAN789.vbs
cls

The other values are fixed, is it possible to add them in.

If I want it to be able to add multiple values(shown above) how it is done.

Thanks
Irwin

This page shows an example of working with a multiselect in javascript.

http://www.mredkj.com/tutorials/tutorial004.html

Thanks alot. But I have values in the textarea and the values i send to the textarea is at the bottom of the textarea. How do I move it to the top.

Irwin

Quote:

---

Originally Posted by lchi

Thanks alot. But I have values in the textarea and the values i send to the textarea is at the bottom of the textarea. How do I move it to the top.

---

I would think something like

Code:

---

document.formBATfile.BATfile.value = document.form1.select1.options[document.form1.select1.selectedIndex].text + "\n" + document.formBATfile.BATfile.value;

---

Should do.

Thanks. But how you add the other values like

start telnet xxx.xxx.xxx.xxx
start /w LAN789.vbs
cls

Please help me on this.

Quote:

---

Originally Posted by lchi

Thanks. But how you add the other values like...

---

Ehh, add more options to the select.
Perhaps I'am not quite understanding you.

What I mean is when I add the IP address in, the other values will be added in the textarea as shown like this:

start telnet xxx.xxx.xxx.xxx
start /w LAN789.vbs
cls

The xxx.xxx.xxx.xxx being the value from the list box and the other values are fixed.

Sorry if I was not clear.

Thanks
Irwin

Don't you have any understanding of what a line like

Code:

---

document.formBATfile.BATfile.value = document.form1.select1.options[document.form1.select1.selectedIndex].text + "\n" + document.formBATfile.BATfile.value;

---

Does ?

It concatenates strings and assings the result to the text area.

To add more fixed values to the text area just add more string literals to the above line. Something like

Code:

---

document.formBATfile.BATfile.value = "start telnet " + document.form1.select1.options[document.form1.select1.selectedIndex].text + "\nstart /w LAN789.vbs\ncls\n" + document.formBATfile.BATfile.value;

---

I do not understand that line. I am very new at this and I only know very simple things. I am trying to understand the codes but it prove very difficult.

Irwin

Well I'll this is what this line does:

Code:

---

document.formBATfile.BATfile.value = document.form1.select1.options[document.form1.select1.selectedIndex].text + "\n" + document.formBATfile.BATfile.value;

---

Replace the content of the element named BATfile in the form named formBATfile with the content of the currently selected item in the list box named options appended to what is already in the element BATFile.

Hence, if the element BATfile contains the text:

"is my name"

and the value of the text of the currently selected list item is "Adam" then the above line of code will change the text of the element BATfile to:

"Adam
is my name"

I am afraid I cannot make it any clearer.

Quote:

---

Originally Posted by lchi

I do not understand that line. I am very new at this and I only know very simple things. I am trying to understand the codes but it prove very difficult.

Irwin

---

You need to go read some more tutorials, and don't just copy their code, try to understand what they are doing.

http://www.w3schools.com/js/default.asp

You cannot develop a javascript by asking for help everytime you need to change the tiniest bit.

Thanks both of you. I am starting to understand a little. I will do the tutorials to learn more. I will post more if i have any question. Thanks alot guys.

Irwin

I am now doing the multiselect. I can now multiselect and get the values but I do not know how to spilt the values. This is the code I am using, I understand what it does but I do not know how to seperate the values.

Irwin

Quote:

---

Originally Posted by lchi

...This is the code I am using...

---

Either I'am going blind or you didn't post your code.

As for seperating the values in a multiselect that is explained in the page I posted a link to back in comment #6.

You might also want to take a look at some string functions

http://www.w3schools.com/js/js_obj_string.asp

Opps looks like I forgot haha. I was in a hurry yesterday.

Here are the codes.

function loopSelected()
{
var BATfileObj = document.getElementById('BATfile');
var selectedArray = new Array();
var selObj = document.getElementById('select1');
var i;
var count = 0;
for (i=0; i<selObj.options.length; i++) {
if (selObj.options[i].selected) {
selectedArray[count] = selObj.options[i].value;
count++;
}
}
BATfileObj.value = selectedArray;
}

I got it from the codes from the tutorial you give me. The values it gives out are in this form value1,value2,value3,value4. I want to seperate the values. How do you do it.

Irwin

Quote:

---

Originally Posted by lchi

I want to seperate the values. How do you do it.

---

Ehh, you already got the values seperated inside the 'for' loop on this line

Code:

---

selectedArray[count] = selObj.options[i].value;

---

I assume what you meant to say, was that you want each of values the values on a line by itself, in the text area.
Again You obviouly haven't been paying any attention to what I have been telling you about concatenating strings.
To get the select values, each on a line by itself, you could just replace the above line with

Code:

---

selectedArray += selObj.options[i].value + "\n";

---

Although this is bit of a misnomer on my part, since selectArray is now a string rather than a Array of strings.

And once again please read some more tutorials and try to put a lot more work into your problems before asking for help. As far as I'am concerned you are rapidly becoming the boy how cried wolf.

Thanks. What I don't understand is the array part I thought that

for (i=0; i<selObj.options.length; i++) {
if (selObj.options[i].selected) {
selectedArray[count] = selObj.options[i].value;
count++;

this part just all the values and put it together I was not sure so I ask.

Sorry for the problem I cause. But I thank you for teaching me alot.

But one more question what is the count and count++ for?

Thanks
Irwin

Quote:

---

Originally Posted by lchi

But one more question what is the count and count++ for?

---

Again I must strongly suggest that you go read some tutorials, the ++ operator is explained at http://www.w3schools.com/js/js_operators.asp

You are building an array of the selected options from all the options, Every time you find a selected option you insert the value into result array at position count. And increment the count variable so that the next selected option will be inserted at the next position in the result array.

Thank you I understand what you mean. I know what a ++ means I was just wondering what the count is for as there is var i for the values. So the count is for selected values. Thanks alot.

Irwin