value get for delete using script MUST follow with QUERY-

Using script :


<!-- Do Delete -->
<script language="JavaScript">
function doDeleteData(primaryKey) {
    alert("Delete1");
window.location = "adminTcDoDeleteLoad.do?primaryKey="+primaryKey;

alert("Delete2");


}
</script>





jsp page:

<% int k=0; %>
 <s:iterator value="teacherTypeList" status="status">
  <%  k+=1;%>
<tr  >
  <td width="2%"><s:property value='#status.count'/></td>
  <td width="2%"><s:property value='tech_general_info_id'/></td>
  <td   width="4%" style="text-align:left;"><s:property value='tech_name'/></td>
  <td id="recordId<%=k %>" width="15%"><s:property value='desig_id'/></td>
  <td width="2%">&nbsp;</td>
  <td width="4%">&nbsp;</td>
  <td >&nbsp;</td>
  <td width="15%">
  <span><a href="adminTcEditLadmin.do">Edit</a></span>
  <span><a href="#">Delete</a></span>
  </td>
  <td ><a href="#" onclick="doEditData('recordId<%=k %>','<s:property value='tech_general_info_id'/>','<s:property value='tech_name'/>','<s:property value='desig_id'/>');" style="font-family:Arial; font-size:12px; font-weight:bold; color:#000;">DoEdit</a></td>
<td ><a href="#" onclick="doDeleteData('<s:property value='tech_general_info_id'/>');" >DoDelete</a></td>
</tr>
 </s:iterator>



java action class :

//Do Delete   
    private String primaryKey;
    public String adminTcDoDelete(){
       
        TeacherListSql teacherListSql = new TeacherListSql();
        teacherListSql.getDeleteTable(primaryKey);
        teacherList();
        return "adminTcDoDelete";       
    }




sql class file:



  //Delete statement
     
      public void getDeleteTable(String priId){
          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+"'";
String queryDelete = "delete from tech_general_info  where TECH_GENERAL_INFO_ID='"+priId+"'";

     System.out.println("QueryDelete" + queryDelete);
      //st.execute(query);//It is use for insert Query
      st.execute(queryDelete);
     

   


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