Problem with String variable

I am new to Java Programming.
I have a line of code that works and does what is supposed to.
faceData.getProfile("Lisa").removeFriend("Curtis");
If I assign the strings to variables such as-
String name = "Lisa";
String fName = "Curtis";
and then plug those into the same line of code, it does not work
faceData.getProfile(name).removeFriend(fName);
What could be causing the problem?
I even added some lines to print out what is stored in the variables to verify that they are what they should be, but for some reason the variables do not work while putting the strings in quotes does. Any ideas?

I guarantee that something about your assertions are incorrect. Those variables are either not equal to the values you claim, or something else is going on. But it's not a problem with string variables versus string constants.
Edit: My best guess in lack of a real example from you, is that the strings in question have non-printable characters in them, such as trailing spaces or line feeds.

Similar Messages

Problem with formula variable

HI,
I am facing problem with formula variable with replacement path. my requirement is system date - posting date.
here i created 2 formula variable one is system date. second formula vaiable with replacement path is posting date. second formula vaiable not populating data. please help on that.
regards,
kris

Hi,
here is some idea.. here i have taken expample dates 1)notification creation date and 2) notification completion.
1st:in the query designer at key figure coloumn create
one local formula.in that local formula create formula
variable with replacement path.in that take reference character
notification completion.in the next tab take replace ment
as key.in the last tab select "date".
2nd: do the same thing for the notification creation date.
3 rd : create 3 rd local formula and do the substraction
for the first 2 local formulas.
4th:create codition on the difference which u have find with
on that condition u can create one user entry varibale.
5th:while u defining the query put these 2 dates,i,e
notification completion, notification creation date in the character block.
If not system will ignore the formula variable which u created in
above steps.
Hope this wil help u.
regards....KP

Little problem with Strings.

          I have an little problem with Strings, i make one comparision like this.
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          if( nombre.equalsIgnoreCase(output.getStringValue("CN_NOMBRESf",null)) )
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You are actually making your users key in things like
"\026"? Not very user-friendly, I would say. But
assuming that is the best way for you to get your
input, or if it's just you doing the input, the way to
change that 4-character string into the single
character that Java represents by '\026', you would
use a bit of code like this:char encoded =
(char)Integer.parseInt(substring(inputString, 1),
16);
DrClap has the right idea, except '\026' is octal, not hex. So change the radix from 16 to 8. Unicode is usually represented like '\u002A'. So it looks like you want:String s = "\\077";
System.out.println((char)Integer.parseInt(s.substring(1), 8));Now all you have to do is parse through the String and replace them, which I think shouldn't be too hard for you now :)

TPC 2012 - Problems with shared variable

Hi,
I tried to program simmilar thing to this one http://zone.ni.com/devzone/cda/tut/p/id/5548 on TPC 2012. But it doesn't work.I can see that both programs on my laptop and TPC are working(I've added an additional counter with display), but I cannot see any effect on TPC when I change the value of shared variable on my laptop. I use LabView 8.6 with Touch Panel Module. My question is what are the exact steps to run such application on TPC2012? Are they the same as for TPC 2006?
I've noticed following issues:
1.I cannot deploy the program from Project Manager(there is an information that maybe TPC Service is not started. - I've found such information about TPC Service http://digital.ni.com/public.nsf/allkb/DE177828D27A14A48625734E00768B66 but in fact I cannot find Start » All Programs»National Instruments » NI TPC Service » NI TPC Service Manager 1.0 Does it mean, that the TPC Service is not installed and the programm with shared varibles won't be working or can I start it somehow in another way? Do I need to have TPC service installed on TPC2012?
Until now, I've built the project and sent it through FTP to TPC(the folder was /TEMP) and then started it.
2.Ping works OK
Thank you in advance for any hints how to solve this problem.
Martin

Well no problem, but I'm frustrated with this issue... I've tested many things and nothing. Just to help someone else as I in the future, these are my sources:
http://forums.ni.com/t5/LabVIEW/TPC-2012-Problems-with-shared-variable/m-p/1009631/highlight/false#M...
http://digital.ni.com/public.nsf/allkb/28536DE7E2D9E98B8625770B00738920?OpenDocument
http://zone.ni.com/reference/en-XX/help/372507B-01/lvtpcgsm/tpc_install_sharvar/
http://zone.ni.com/reference/en-XX/help/372507C-01/lvtpcgsm/tpc_install_sharvar/
http://digital.ni.com/public.nsf/allkb/23532363F4905EC28625727A00730B80?OpenDocument
http://forums.ni.com/t5/FieldPoint-Family/TPC-2006-Not-Listed-in-Targets-and-Devices/td-p/566325
http://forums.ni.com/t5/LabVIEW/MAX-can-t-detect-TPC-2106T/td-p/831524
http://zone.ni.com/devzone/cda/tut/p/id/5868
http://digital.ni.com/public.nsf/websearch/28B748B9697B79E18625725A00009066?OpenDocument
http://digital.ni.com/public.nsf/websearch/D1726990DCEB82E4862570F20069C57D?OpenDocument
http://digital.ni.com/public.nsf/allkb/3B469103BBDD4CE48625726000665B36
I hope find some hint..
Fabian León
Certified LabVIEW Associate Developer

Problem with String to Int conversion

Dear Friends,
Problem with String to Int conversion
I am having a column where most of the values are numeric. Only 4 values are non numeric.
I have replaces those non numeric values to numeric in order to maintain the data type.
CASE Grade.Grade WHEN 'E4' THEN '24' WHEN 'E3' THEN '23' WHEN 'E2' THEN '22' WHEN 'E1' THEN '21' ELSE Grade.Grade END
This comes the result as down
Grade
_0_
_1_
_10_
_11_
_12_
_13_
_14_
_15_
_16_
_17_
_18_
_19_
_2_
_20_
_21_
_22_
_23_
_24_
_3_
_4_
_5_
_6_
_7_
_8_
_9_
Refresh
Now I want to convert this value to numeric and do some calculation
So I changed the formula as below
cast (CASE Grade.Grade WHEN 'E4' THEN '24' WHEN 'E3' THEN '23' WHEN 'E2' THEN '22' WHEN 'E1' THEN '21' ELSE Grade.Grade END as INT)
Now I get the following error
View Display Error
_ Odbc driver returned an error (SQLExecDirectW)._
Error Details
Error Codes: OPR4ONWY:U9IM8TAC:OI2DL65P
_State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 17001] Oracle Error code: 1722, message: ORA-01722: invalid number at OCI call OCIStmtFetch. [nQSError: 17012] Bulk fetch failed. (HY000)_
SQL Issued: SELECT cast ( CASE Grade.Grade WHEN 'E4' THEN '24' WHEN 'E3' THEN '23' WHEN 'E2' THEN '22' WHEN 'E1' THEN '21' ELSE Grade.Grade END as Int) saw0 FROM "Human Capital - Manpower Costing" WHERE LENGTH(CASE Grade.Grade WHEN 'E1' THEN '20' WHEN 'E2' THEN '21' WHEN 'E3' THEN '22' WHEN 'E4' THEN '23' ELSE Grade.Grade END) > 0 ORDER BY saw_0_
Refresh
Could anybody help me
Regards
Mustafa
Edited by: Musnet on Jun 29, 2010 5:42 AM
Edited by: Musnet on Jun 29, 2010 6:48 AM

Dear Kart,
This give me another hint, Yes you are right. There was one row which returns neither blank nor any value.
I have done the code like following and it works fine
Thanks again for your support
Regards
Code: cast (CASE (CASE WHEN Length(Grade.Grade)=0 THEN '--' ELSE Grade.Grade END) WHEN 'E4' THEN '24' WHEN 'E3' THEN '23' WHEN 'E2' THEN '22' WHEN 'E1' THEN '21' when '--' then '-1' ELSE Grade.Grade END as Int)

Problems with /tmp variable

Hi,
I'm writing a shell script and I seem to be having problems with a variable that is creates a directory in the /tmp directory. Essentially, there are several points where various parts of the script call out information that gets exported to that directory. My script is failing upon creation of this directory, is there any specific permissions on the /tmp directory in mac that would need to be set before something like this occurred?
Thanks!

My script is failing upon creation of this directory
Maybe you could post your code, that way we can see how you're trying to create the directory and may be able to spot the problem. As it is we're working blind, and that's not easy.

Problem with environment variables

JAVA_HOME = C:\JBuilder9\jdk1.4
Path = C:\oracle\product\10.1.0\Db_1\bin;C:\oracle\product\10.1.0\Db_1\jre\1.4.2\bin;C:\oracle\product\10.1.0\Db_1\jre\1.4.2\bin\client;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;.;C:\oracle1\product\10.1.0\Db_3\jdbc\lib\classes12.zip
When I run foo.java I get this error, which i believe is because of some kind
of problem with environment variables.
Exception in thread "main" java.lang.NoClassDefFoundError: OraThinI eliminated this path
C:\oracle\product\10.1.0\Db_1\jre\1.4.2\bin
just to check whether two paths of jdk bin folder is causing problem but I see no change.
Please help

I had solved it myself
I am a genious :P
Just do this
JAVA_HOME = C:\JBuilder9\jdk1.4
CLASSPATH = C:\oracle\product\10.1.0\Db_1\jdbc\lib\classes12.zip;.;%JAVA_HOME%\bin
PATH= C:\oracle\product\10.1.0\Db_1\bin;C:\oracle\product\10.1.0\Db_1\jre\1.4.2\bin;C:\oracle\product\10.1.0\Db_1\jre\1.4.2\bin\client;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;.;C:\oracle1\product\10.1.0\Db_3\jdbc\lib\classes12.zip;%JAVA_HOME%\bin

Problems with string tokenizer

okay heres my problem, i have a textarea displaying a program listing and i have to extract variables i.e public int something;
i have tried many different approaches but still the output is not what i was looking for. Can someone have a look at my code and check for mistakes that i cant find
public void createDataDictionary() {
          if(fullText.equals("")) return;//do nothing if no text exists
          String checkText = fileContents.getText();//store text area contents into string
          String dataType = "";
          String variable = "";
          String accessModifier = "";
          StringTokenizer str = new StringTokenizer(checkText," \n", true);
          fileCheckBox.setText("");//clear file check box
          while(str.hasMoreTokens()) {//loop while there are more tokens to tokenize
               try{
                    checkText = str.nextToken();
                    //check for comments
                    if((checkText.startsWith("//")) || (checkText.equals("//")) ||
                       (checkText.startsWith("/**")) || (checkText.equals("/**")) ||
                       (checkText.startsWith("*")) || (checkText.equals("*"))) {
                         isComment = true;
                    if((checkText.equals("\n"))) isComment = false;
                    if(!isComment)
                         //check for access modifiers
                         if((checkText.equals("public")) || (checkText.equals("private")) ||
                            (checkText.equals("protected"))) {
                                      accessModifier = checkText;
                                 }else {
                                      accessModifier = "";
                         //check for data types
                         if((checkText.equals("boolean")) || (checkText.equals("char")) ||
                                 (checkText.startsWith("String")) || (checkText.equals("int"))) {
                                   dataType = checkText;
                                   variable = str.nextToken();//get variable expression
                                   System.out.println(accessModifier + " " + dataType + " " + variable);
               }catch(NoSuchElementException nsee) {//not enough tokens to complete operation
                    JOptionPane.showMessageDialog(null, "End of file");
                    return;//break from method
     }here is sample text
private String seven = "help";
char five[];
// String here
//int found
public boolean okay
and here is the output
String
char
String
boolean
//note the space before each output
hope someone can help
thanx in advance

1. Why do you check to see if the token starts with
//, /*, etc, etc. Later you check if the token
equals private, public, protected. It couldn't
equal if it started with a comment.if the token starts with a comment i dont want to read the rest of the line, so i set the isComment flag to true
2. I strongly suggest that you do it line by line.
Perhaps a string tokenizer that only tokenizes by
lines, then within that loop, another that tokenizes
by whitespace. i take it you mean putting the text into a bufferedreader and then using readLine()?? Bit new to string tokenization as you can possibly see
i managed to get the small test text to work more or less as i wanted but when ever i load a large code listing, the results are erratic to say the least
heres a section of this code
private int textNum = 0;/**Integer used to hold the text position within any given line*/
     private int lineNum = 0;/**Integer used to hold the line number within any given file*/
     static boolean application = false;/**Used to track if applet is ran from a browser or JAR file*/
     static boolean fileOpened = false;/**Used to track if file has already been opened*/
     static boolean isComment = false;
     private char lCurve = '(';
     private char rCurve = ')';
     private char lCurly = '{';
     private char rCurly = '}';
     private char lSquare = '[';
     private char rSquare = ']';
     String fullText = "";and heres the output
public int textNum //should be private!!!!
int lineNum //missing private
boolean application //missing static
boolean fileOpened //missing static
boolean isComment //missing static
//all below missing private
char lCurve
char rCurve
char lCurly
char rCurly
char lSquare
char rSquare
String fullText //not there at all

Problem with application-variables - CFLOCK?

Hi,
i have a problem with my application. It is a multi-user
application with 100 parallel-users and CFMX 7.
The problem wich occures is with application variables. These
are mainly structs wich get filled onApplicationStart(). The
problem is, that the variables suddenly disappear, they are empty.
I have read about CFLock and found out, that it is necesseary
to use cflock. And i found out, that onApplicationStart does
correct locking automatically. That is where i do not understand
the problem. The variables get intialized correctly and in further
they only get read-access. Why can they be corrupted?
My other question about that is, wheather i need cflock for
all Read-Access to Application and Session-Variables, even if there
happens no writing to the variables?
Best Regards,
Andreas

> ?The element of position 2, of dimension 2, of an array
object used as part of
> an expression, cannot be found.?
> The array is in this case the struct.
Well, OK, that could be a problem. Arrays are not structs:
they are two
different things, are not interchangeable, and have
completely different
sets of functions to utilise them. You cannot treat a struct
as an array.
If CF is claiming your "struct" is an array, then it actually
*is* an
array, not a struct.
What's the line of code which is generating that error?
I suppose one could get this error if you have an array of
structs thus:
myArray
.key1
myArray.key2
(etc)
and you're trying to reference it with a numeric key rather
than by key
name, eg:
myArray
[n]
When n is an integer value, rather than a string (which
corresponds to the
name of the key).
> > Have you trapped the error, done a <cfdump>
of the application scope and
> > checked to see if it's the whole lot going awry, or
just some values?
> I have not used cfdump for it, because the server had to
be immediately
> restarted for our customers. But i think, that it is
not completely empty,
> because the index runs to pos2 of dimenstion2.
So does this not happen in your dev / testing environment?
> Will
> onApplicationStart() be called before? Or only if
onRequestStart() returns true?
I would ***-u-me that the application one would be called
before the
request one. It's pretty easy for you to test this though, I
should think?
(Sorry: for reasons beyond the scope of this conversation,
we're still
forced to use Application.cfm in our software, so I've only a
passing
knowledge of how Application.cfc works).
> Here is the code from onRequestStart()
> <cffunction name="onRequestStart"
returntype="boolean">
> <cfargument name="Requestedpage" required="yes" />
> <cfscript>
> var lFile = "/cargorent/Login.cfm";
> var iPosn = ListFindNoCase( lFile,
Arguments.Requestedpage );
> if( iPosn gt 0 )
> return true;
>
> if( NOT IsDefined( "session.user.Loginname" ) or
session.user.Loginname eq
> "" )
> {
> WriteOutput( "<p><p> The current user is no
longer valid, please log in
> again.</p></p>" & chr(10) & chr(13)
> WriteOutput( "<script
language=""javascript"">parent.location = ""
http://"
> & CGI.HTTP_HOST &
"/Login/Login.cfm"";</script>" );
> return false;
> }
>
> return true;
> </cfscript>
> </cffunction>
One thing I will say here is that I really think you should
be separating
your processing from your display. A function should do
processing. it
should pass that processing back to a CFM template which
should handle
whatever needs to be displayed on the browser. Although
that's nowt to do
with your current issue.
Adam

Problem with String in a Vector

I'm making a small hangman game. And I got a problem with putting words in a Vector... This is the code... Can someone tell me what I'm doing wrong?
// First I define it.
Vector Words;
// Then add the words
Vector Words = new Vector();
Words.add(new String("HELLO"));
Words.add(new String("GOOD BYE"));
// When I try to get a string from the Vector I use this.
// The program compiles but when I try to run it I get NullPointerExeption here
W = (String) Words.elementAt(0);

Not sure since I cant see all of your code but looks like this might be your problem:
// First I define it.
Vector Words; //<-- here you define a Vector named Words that is null
// Then add the words
Vector Words = new Vector(); //<-- here you define another vector named Words that holds a reference to a new Vector. This is a different reference than the one created above so you should probably remove the "Vector" part from the beginning of this line. Is this a local variable to a method and the one before is a global variable?
//Here you probably access the locally created Words vector which is initialized
Words.add(new String("HELLO"));
// When I try to get a string from the Vector I use this.
// The program compiles but when I try to run it I get NullPointerExeption here
W = (String) Words.elementAt(0); //<--and here my guess is that this statement is inside another method than the one with the local Words vector defined. Thus this one accesses the global Words Vector that is never initalized and is Null. And that gives you the NullPointerException.
So try changing the statement
Vector Words = new Vector();
to
Words = new Vector();
or just remove it totally and move the Vector creation to the place where you introduce the global variable.
Of course I might be totally wrong since I cant see all of your code but that is my guess.
Hope it helps,
-teka

Problema with strings as parameters

I'm facing a curious problem. I have already downloaded a few classes that encode special characters into html entities. All of them receive a string paramter and return the encoded string.
The problem is that if i pass an actual string as paramater, the result is ok. But if i pass a string variable as parameter, the functions don't work.
I mean, if i use this:
String str = HTMLTools.encode("Usu�rios");
The result in str is "Usu&aacuterios" -> Correct
On the other hand, if i use
String str1 = "Usu�rios";
String str = HTMLTools.encode(str1);
The result in str is "Usu�rios" -> WRONG!!!!
This is freaking me out!!! I'm going nuts. It's happened with almost ten different classes the same thing. Idon't know how to fix that.
Does anybody has any clue?
Thanks a lot to all.

I mean, if i use this:
String str = HTMLTools.encode("Usu�rios");
The result in str is "Usu�rios" -> Correct
On the other hand, if i use
String str1 = "Usu�rios";
String str = HTMLTools.encode(str1);
The result in str is "Usu�rios" -> WRONG!!!!Um... this may be an accident of encoding it for a web
page, but the value you assign to str1 appears to be
wrong?You're right. This is a problem of encoding for a web page. That's why i have to encode the html entities, but i'm having no success on that.

Purchased ColdFusion 10: Having problem with session variables

My Dept. has just bought CF10 and I'm finally updating my existing web app to CF10 from CF8. My First Problem with CF10 is using session variables.
When using the lower version of CF (since CF 4 to 8) I have never had any problem setting up session variables and getting or using these variables in other pages after a successful login but with CF 10 it seems setting session variables and using them in other pages are a major problems. I'm not sure where have I done wrong in the codes.
First I'm setting the session in my Application.cfc This way:
<cfcomponent displayname="Application" output="true">
<cfset THIS.Name ="MyNewApp"/>
<cfset THIS.ApplicationTimeout = CreateTimeSpan(0,0,20,0) />
<cfset THIS.SessionManagement ="YES"/>
<cfset THIS.SessionTimeout = CreateTimeSpan( 0, 0, 20, 0 ) />
<cfset THIS.SetClientCookies = false />
<cffunction name="OnApplicationStart" access="public" returntype="boolean" output="false">
<cfset application.Main_DSN = "TESTDB">
<cfreturn true />
</cffunction>
<cffunction name="onApplicationEnd" output="false">
      <cfargument name="applicationScope" required="true">
    </cffunction>
<cffunction name="OnSessionStart" access="public" returntype="void" output="false" hint="Fires when user session initializes.">
<cfset session.loggedin = "NO">
<cfset session.username = "">
<cfset session.userrights = "">
<cfset session.usergroup = "">
</cffunction>
</cfcomponent>
After login, user is validated and set values to those session.variables:
........user validation codes here......................
<cfif mylogin NEQ true>
      <cflocation url="/login/login.cfm">
      <cfabort
<cfelse>
      <cfset session.loggedin="Yes">
      <cfset session.username="#Trim(Form.username)#">
     <CFSET qUserRights = LoginObj.getUserRights('#Trim(Form.username)#')>
     <cfset session.userrights = qUserRights>
    <CFSET qUserGroup = LoginObj.getUserGroup('#Trim(Form.username)#')>
        <cfloop query="qUserGroup">
           <cfset session.usergroup = user_group>
           <cfbreak>
        </cfloop>
    
   <cfdump var="#session.loggedin#">
   <cfdump var="#session.username#">
   <cfdump var="#session.userright#">
   <cfdump var="#session.usergroup#">
</cfif>
In index.cfm, Before Login I got:
session.loggedin = NO
session.username = ["empty string"]
session.userrights = ["empty string"]
session.usergroup = ["empty string"]
After a successful Login:
session.loggedin = NO
session.username = ["empty string"]
session.userrights = ["empty string"]
session.usergroup = ["empty string"]
Have I done something wrong? These codes work on CF8. Please help.
I need to mentioned:
CF10 is in Linux and my web app is under https not http. But these session variables should be shared bentween http and https because some older application are still in http.

On which page is the following code?
After login, user is validated and set values to those session.variables:
........user validation codes here......................
<cfif mylogin NEQ true>
      <cflocation url="/login/login.cfm">
      <cfabort
<cfelse>
      <cfset session.loggedin="Yes">
      <cfset session.username="#Trim(Form.username)#">
     <CFSET qUserRights = LoginObj.getUserRights('#Trim(Form.username)#')>
     <cfset session.userrights = qUserRights>
    <CFSET qUserGroup = LoginObj.getUserGroup('#Trim(Form.username)#')>
        <cfloop query="qUserGroup">
           <cfset session.usergroup = user_group>
           <cfbreak>
        </cfloop>
    
   <cfdump var="#session.loggedin#">
   <cfdump var="#session.username#">
   <cfdump var="#session.userright#">
   <cfdump var="#session.usergroup#">
</cfif>

Problem with hierarchy variable while displaying query in Portal

Hi,
I came up with an problem with a query in the portal. The problem is :
I have one query which is displayed in the portal. The Query has hierarchial selection criteria. I am executing the same query using analyzer. Its taking the variable from the selection and displaying it on the analyzer. I have used the option to " display the query on web " from the BEX query designer. From there its opening and displaying the results with the given selection criteria.
Where as when i open the query seperately in portal, its not displaying the results.
I came to know from one of my colleague that the porblem is with the Web item and the hierarchial variable declared in WAD was different from the variable declared in the BEX Query designer.
I never Worked with WAD. I tried finding out the variable definition. But i was unable to find out where the Hierarchial variable was defined.
Please help me out regarding the same.

The problem is sovled.
Poornima.

Problem with substitution variable

Hi All,
I am facing problem with usage of substitutiion variable. I have following code in my script
Edited by: Tarak on Mar 4, 2009 3:27 AM

sorry I missed the script.
create table tempdata
(description varchar2(200))
TABLESPACE &tspacename
/Sqlplus is not asking for the value of tspacename.I am getting following error.
TABLESPACE &tspacename
ERROR at line 3:
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Having problem with setting variable on a textfield

I'm using createTextField to create a textfield. I have also created a input textfield with a variable called textline1 (I don't create the inputfield with as).
I want to display the letters in the created textfiled that I'm typing in the input field. So this in my AS coed:
_root.createTextField("text1",1,100,100,300,100);
text1.variable = textline1;
format1 = new TextFormat();
format1.color = 0xff0000;
format1.size = 50;
format1.bullet = false;
text1.setTextFormat(format1);
but it doesn't work. So anyone see the problem?
(sorry for bad english)

i think you're going to have more problems if you continue using textfield variables. you should not use them. just use the text property of the textfield to reference its contents.
but, if you want to continue, use:
var tl:MovieClip=this;
fontsize=20;
myInputText_txt.onChanged = function(text1:TextField) {
_root.myText_mc.createTextField("text_txt",1,100,100, 100,100);
_root.myText_mc.text_txt.variable = tl["text2"];
text2=text1.text;
format1 = new TextFormat();
format1.color = 0xff0000;
format1.size = fontsize;
format1.bullet = false;
text_txt.setTextFormat(format1);
p.s. please mark this thread as answered.

Problem with String variable

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