Passing values to jSP on button click

Hello
I have multiple delete buttons on the JSP page. What i want is to get the value as to which delete button was clicked. I am not sure if i shld have multiple names for the buttons. For now all have the same name since its inside a while loop.
Also i want to confirm that the user really wants to delete the field. But i dont know how can i pass the value as well as the function at the same time through the onClick function.
I tried type="hidden" for the field value and onClick="function" (where function is a javascript function that confirms if the user does want to delete the field). BUt in this case with type = hidden i get all the values corresponding to the field.
Any pointers?
heres the sample HTML code if it helps.. this one is just to show how the screen looks like. The actual JSP has the while loop.. which is also pasted below
<HTML>
<HEAD><TITLE>File Format Management</TITLE>
<META http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<SCRIPT language="JavaScript" type="text/javascript">

</SCRIPT>
</head>
<body>
<BR>
<CENTER>
<TABLE border="1" cellpadding="0" cellspacing="0" marginwidth=0 marginheight=0>
<TR class="titlebar">
    <TD align="center">File Format Management</TD>
</TR>
<TR bgcolor="#cccccc">
    <TD>
<B>File Types:</B>
<p>The following file types are defined for this project.</p>
<div align="center">
<table cellpadding="3" cellspacing="0" border="0" width="100%">
<tr><td>Filetype��</td><td># of fields��</td><th></th><th></th></tr>
<tr><td>Demographics</td><td align="center">5</td><td><input type="submit" value="Edit"></a></td><td align="right"><input type="submit" value="Delete"></a></td></tr>
<tr><td>Clinical</td><td align="center">17</td><td><input type="submit" value="Edit"></td><td align="right"><input type="submit" value="Delete"></td></tr>
<tr><td>MS</td><td align="center">9</td><td><input type="submit" value="Edit"></td><td align="right"><input type="submit" value="Delete"></td></tr>
<tr><td>HLA</td><td align="center">20</td><td><input type="submit" value="Edit"></td><td align="right"><input type="submit" value="Delete"></td></tr>
<tr><td>SNP</td><td align="center">18</td><td><input type="submit" value="Edit"></td><td align="right"><input type="submit" value="Delete"></td></tr>
<tr><td colspan="4"><input type="submit" value="Add new filetype..."></td></tr>
</table>
</div>
<p align="center"><input type="submit" value="Return"></p>
</td>
</tr>
</table>
</body>
</html>
//actual while loop in JSP
<table cellpadding="3" cellspacing="0" border="0" width="100%">
            <tr class="titleitem"><td>Filetype��</td><td># of fields��</td><th></th><th></th></tr>
            <% if ((!fileTypesFormats.equals(null)) && (fileTypesFormats.size() > 0))
                    Iterator keyIter = fileTypesFormats.entrySet().iterator();
                    while (keyIter.hasNext())
                        Map.Entry CurrentEntry = (Map.Entry) keyIter.next();
                        String formatNos = CurrentEntry.getKey().toString();
                        String fileTypeName = CurrentEntry.getValue().toString();
                        count++;
             %>
                   <tr class="<%=htmlObj.getClassString(count)%>">
                     <td><input type="hidden" name="filetypeName" value="<%=fileTypeName%>"><%=fileTypeName%></td>
                     <td align="center"><%=formatNos%></td>
                     <td><input type="button" value="Edit" name="editBtn" onclick="location.href='edit_delete_filetype_format.jsp'"></a></td>
                     <td align="right"><input type="button" name="deleteBtn" value="Delete" onclick='confirmDelete(this.form)'></a></td>
                   </tr>
             <% } } %>
                    <tr class="<%=htmlObj.getClassString(count)%>"><td colspan="4"><input type="button" value="Add new filetype..." onclick="location.href='edit_delete_filetype_format.jsp'"></td></tr>
        </table>

Thanx for your help praveen
I appreciate that.. but i misguided you. I am sorry abt that
I want the value of the field beside the delete box to be passed to the Server side scripting.
so if u see the html page u see something like this
"Demographics 4 Edit Delete "
"Clinical 3 Edit Delete"
//note edit and delete are buttons
Of this when the user clicks on Delete I want the jsp to pass Demographics value to the JSP.
Right now it will pass all the values like "Demographics Clinical" . I probably have to give different names to the buttons...lets c
Thanx for u r help

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          > classes).
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          > JSP picks them up, but somehow I have a feeling that this is not the
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                    <VirtualizingStackPanel Orientation="Vertical"></VirtualizingStackPanel>
                </ItemsPanelTemplate>
                <DataTemplate x:Key="headerTemplate">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="90" />
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="*" />
                        </Grid.ColumnDefinitions>
                        <TextBlock Text="Amount to Recharge" Grid.Column="0" TextWrapping="WrapWholeWords" FontFamily="{StaticResource
PivotHeaderItemFontFamily}" FontSize="{StaticResource ContentControlFontSize}"/>
                        <TextBlock Text="Bonus Amount" Grid.Column="1" TextWrapping="WrapWholeWords" FontFamily="{StaticResource
PivotHeaderItemFontFamily}" FontSize="{StaticResource ContentControlFontSize}"/>
                        <TextBlock Text="New Balance" Grid.Column="2" TextWrapping="WrapWholeWords" FontFamily="{StaticResource
PivotHeaderItemFontFamily}" FontSize="{StaticResource ContentControlFontSize}"/>
                        <TextBlock Text="Number of Rides" Grid.Column="3" TextWrapping="WrapWholeWords" FontFamily="{StaticResource
PivotHeaderItemFontFamily}" FontSize="{StaticResource ContentControlFontSize}"/>
                    </Grid>
                </DataTemplate>
            </ListView.Resources>
            <ListView.HeaderTemplate>
                <StaticResource ResourceKey="headerTemplate"/>
            </ListView.HeaderTemplate>
            <ListView.ItemsPanel>
                <StaticResource ResourceKey="FaresPanelTemplate"/>
            </ListView.ItemsPanel>
            <ListView.ItemTemplate>
                <StaticResource ResourceKey="FareTemplate"/>
            </ListView.ItemTemplate>
            <ListView.DataContext>
                <ViewModel:MainViewModel/>
            </ListView.DataContext>
        </ListView>
    </Grid>
</Page>
View Model
     /// <summary>
                /// Sets and gets the DayList property.
                /// Changes to that property's value raise the PropertyChanged event.
                /// </summary>
                public ObservableCollection<BonusChargesValue> Charges
                    get
                        return _charges;
                    set
                        if (_charges == value)
                            return;
                       // RaisePropertyChanging(ChargesListPropertyName);
                        _charges = value;
                        RaisePropertyChanged(ChargesListPropertyName);
                public RelayCommand ShowFaresCommand
                    get;
                    set;
          /// <summary>
                /// Initializes a new instance of the MainViewModel class.
                /// </summary>
                public MainViewModel()
                    if (IsInDesignMode)
                        // Code runs in Blend --> create design time data.
                       // BonusChargesValue bnc = new BonusChargesValue();
                        _charges = new ObservableCollection<BonusChargesValue>();
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 10.0, BonusAmount = 5, NewBalance = 15, NumberofRides = 5 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 12.0, BonusAmount = 6, NewBalance = 17, NumberofRides = 6 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 14.0, BonusAmount = 7, NewBalance = 19, NumberofRides = 7 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 16.0, BonusAmount = 8, NewBalance = 21, NumberofRides = 8 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 18.0, BonusAmount = 9, NewBalance = 23, NumberofRides = 9 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 10.0, BonusAmount = 5, NewBalance = 15, NumberofRides = 5 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 12.0, BonusAmount = 6, NewBalance = 17, NumberofRides = 6 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 14.0, BonusAmount = 7, NewBalance = 19, NumberofRides = 7 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 16.0, BonusAmount = 8, NewBalance = 21, NumberofRides = 8 });
                        _charges.Add(new BonusChargesValue { AmountToRecharge = 18.0, BonusAmount = 9, NewBalance = 23, NumberofRides = 9 });
                    else
                        // Code runs "for real"
                        Charges = new ObservableCollection<BonusChargesValue>();
                        ShowFaresCommand = new RelayCommand(GetValues, () => { return true; });
                      // ShowFares = new RelayCommand(() =>
                           // Words = new string(Words.ToCharArray().Reverse().ToArray());
                        //_charges = new ObservableCollection<BonusChargesValue>();
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 10.0, BonusAmount = 5, NewBalance = 15, NumberofRides = 5 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 12.0, BonusAmount = 6, NewBalance = 17, NumberofRides = 6 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 14.0, BonusAmount = 7, NewBalance = 19, NumberofRides = 7 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 16.0, BonusAmount = 8, NewBalance = 21, NumberofRides = 8 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 18.0, BonusAmount = 9, NewBalance = 23, NumberofRides = 9 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 10.0, BonusAmount = 5, NewBalance = 15, NumberofRides = 5 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 12.0, BonusAmount = 6, NewBalance = 17, NumberofRides = 6 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 14.0, BonusAmount = 7, NewBalance = 19, NumberofRides = 7 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 16.0, BonusAmount = 8, NewBalance = 21, NumberofRides = 8 });
                        //_charges.Add(new BonusChargesValue { AmountToRecharge = 18.0, BonusAmount = 9, NewBalance = 23, NumberofRides = 9 });
                private void GetValues()
                    CalculateMetroFare cmcf = new CalculateMetroFare();
                    if (!string.IsNullOrWhiteSpace(CurrentBalance))
                        var chr = cmcf.Add2ExistingCard(Convert.ToInt32(CurrentBalance));
                        foreach (BonusChargesValue bncv in chr)
                            Charges.Add(bncv);
                    }`enter code here`
                   // return _charges;
VAravind ---------------------------------------------------------------------------------------------------------------------------------- Please click "Propose As Answer" if a post solves your problem or "Vote As Helpful" if a post
has been useful to you. Blog
VAravind ---------------------------------------------------------------------------------------------------------------------------------- Please click "Propose As Answer" if a post solves your problem or "Vote As Helpful" if a post
has been useful to you. Blog

I am not getting error but the Listview is not getting updated after the relay command
VAravind ---------------------------------------------------------------------------------------------------------------------------------- Please click "Propose As Answer" if a post solves your problem or "Vote As Helpful" if a post
has been useful to you. Blog

Passing values to jSP on button click

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