value get for edit using script MUST follow with QUERY-

Script :

<script language="JavaScript">
function submitData(teachGeneralId,tName,tDesig) {
    alert(teachGeneralId);
   
    teacherName = document.getElementById(tName).value;    // must get this way
    alert(teacherName);
   
    teacherDesig = document.getElementById(tDesig).value;  // must get this way   
    alert(teacherDesig);
   
window.location = "recallTeachListPageLoad.do?teachGeneralId="+teachGeneralId+"&teacherName="+teacherName+"&teacherDesig="+teacherDesig;


alert("S2");


}
</script>


jsp page:

<div style="float:left; height:auto; width:800px;">
<table style="width:500px; height:auto;">
  <tr>
    <td>&nbsp;</td>
    <td><input style="height:26px;" class="form-control input-sm" id="" name="" type="text" value="<s:property value='teachGeneralId'/>"/></td>
  </tr>
  <tr>
    <td width="159">Teacher Name :</td>
    <td width="329"><input style="height:26px;" class="form-control input-sm" id="tName" name="" type="text" value="<s:property value='teacherName'/>"/></td>
  </tr>
  <tr>
    <td>Designation Id/Name :</td>
    <td><input style="height:26px;" class="form-control input-sm" id="tDesig" name="" type="text" value="<s:property value='teacherDesig'/>"/></td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
   <td>&nbsp;</td>
   <td><input id="Input" name="Input" type="button"  value="EditORupdate" onClick="submitData('<s:property value='teachGeneralId'/>','tName','tDesig');"/></td>
  </tr>
</table>
</div>


java action class:


    private String eachTeacherVal;
    private String teachGeneralId;
    private String teacherName;
    private String teacherDesig;

   
    //teachGeneralId //No need 2nd time declare  
    //teacherName  //No need 2nd time declare  
    //eachTeacherVal //No need 2nd time declare 
   
    //Do Edit
    public String recallTeachListPage(){
       
       
        TeacherListSql teacherListSql = new TeacherListSql();
        teacherListSql.getUpdateTable(teachGeneralId,teacherName);
        teacherList();
        return "recallTeachListPage";       
    }
       




SQL file:

//Update statement
      public void getUpdateTable(String teachGeneralId,String teacherName){
          System.out.println("kaniz");
          boolean fg = true;
          con = dbc.connectDB();

           if (con == null) {
               fg = false;
           }
       
      if (fg) {
       try {

              st = con.createStatement();
     
     //query = "insert into fn_bank(BANK_ID,BANK_NAME,ENTRY_TIMESTAMP,COMPANY_NO) values ('"+bank_id+"','"+bankName+"',sysdate,'1')";
   
//queryUpdate = "update tech_general_info set TECH_NAME = '"+teacherName+"',DESIGNATION_NAME = '"+teacherDesig+"' where TECH_GENERAL_INFO_ID='"+teachGeneralId+"'";
queryUpdate = "update tech_general_info set TECH_NAME = '"+teacherName+"' where TECH_GENERAL_INFO_ID='"+teachGeneralId+"'";

     System.out.println("QueryUpdate" + queryUpdate);
      //st.execute(query);//It is use for insertQuery
      st.executeUpdate(queryUpdate);
     

   


      } catch (SQLException sq) {        
        sq.printStackTrace();
      } finally {
        try {
            if (rs != null) {
                rs.close();
            }
       
            con.close();
        } catch (SQLException ex) {
            ex.printStackTrace();
        }
      }
      }
   
              //return "getBankInfoPageReturn";  //Remember insert query not Return;.Only select query return List.
          }