print("code sample");

Ur Code

function deleteRecord(){ var doIt=confirm('Do you want to delete the record?'); if(doIt){ var f=document.myform; f.method="post"; f.action='../delete_sup?'; f.submit(); } else{ } }

Please post your code so that we can help you easily.

the values in textbox come by ajax after selecting id from dropdown

//this is my form and delete_sup is my servelet

<form  method="post" id="myform" name="myform" action="delete_sup" >

<center>
 <h3>Delete Supplier OR Edit Supplier</h3>
</center><br><br><br>
<font color=""> <center> <table border="0px" style="border-width: 2px; border-color:#4E387E;
                                            border-style: solid;border-spacing: 6px" bgcolor="#CCFB5D">
  <div id="mydiv"></div>
  <tr>
                            <td>
                                Supplier ID
                            </td>
                            <td>
                                <select name="suplierid" onchange="showEmp(this.value);">
                                    <option value="-1">Select</option>
                                    <% Class.forName("com.mysql.jdbc.Driver").newInstance();
      Connection con1 = DriverManager.getConnection("jdbc:mysql://localhost:3306/inventory", "root", "mca");
      Statement stmt1 = con1.createStatement();
      ResultSet rs2 = stmt1.executeQuery("Select s_id from supplier");
      while (rs2.next()) {
          String sup = rs2.getString(1);
                                    %>
                                    <option value="<%=sup%>"><%=sup%></option>
                                    <% }%>
                                </select><br>
                            </td>
                        </tr>
                        <tr>
                            <td>Name:<font color="red">*</font></td><td><input type="text" name="name" id="name"value="" size="25"onkeypress="return ischarkey(event)"/></td>

                        </tr>
                        <tr>
                            <td>Address:<font color="red">*</font></td><td><textarea name="address" id="address"rows="4" cols="20"onkeypress="return ischarkey(event)">
                                </textarea></td>
                        </tr>
                        <tr>
                            <td>Pin code:</td><td> <input type="text" name="pin code" id="pin code"value="" size="7" onkeypress="return isNumberKey(event)"/></td>
                            <td>Landline No:<font color="red">*</font></td><td><input type="text" name="landline" id="landline"value="" size="15" onkeypress="return isNumberKey(event)"/></td>
                            <td>Fax No:</td><td><input type="text" name="fax" id="fax"value="" size="15" onkeypress="return isNumberKey(event)"/></td>
                        </tr>
                        <td>Mobile No:</td><td><input type="text" name="mobile" id="mobile"value="" size="15" onkeypress="return isNumberKey(event)"/></td>
                        <td>Email 1:<font color="red">*</font></td><td><input type="text" name="email1" id="email1"value="" size="20"/></td>
                        <td>Email 2:</td><td><input type="text" name="email2" id="email2"value="" size="20"/></td>
                        <tr>

                        </tr>
                        <tr>
                            <td colspan="6"><br>
                                <center><input   onclick="deleteRecord();"type="submit"  value="Delete" name="insert"  />&nbsp;&nbsp;<input size="15" type="submit" value="Edit" name="insert" />&nbsp;&nbsp;<a href="Admin_main.jsp"><input type="button" value="Cancel" name="cancel" /></a>
</center><br>
                                    <%String msg = request.getParameter("msg");
                                 if (msg != null) {%>
                                <center><label><font  color="red"><%=msg%></font></label></center>
                                <% }
                                %>
                            </td>
                        </tr>
                    </table></center></font>
            <input type="hidden" name="username" value="<%= username%>" />
            <input type="hidden" name="pass" value="<%= pass%>" />
        </form>


//this is javascript function given by you
 function deleteRecord(){
                var doIt=confirm('Do you want to delete the record?');
                if(doIt){
                    var f=document.form;
                    f.method="post";
                    f.action='../delete_sup?';
                    f.submit();
                }
                else{
                }
            }