Error in ajax on request process?

Hi all

Now, I did AJAX tow on request

1-name: Get_item_balance

Declare
  p_itemid  number ;
  p_balance  number ;
  Begin
      p_itemid  := apex_application.g_x04;

      select NET into p_balance
        from V_ITEMS_BAL
      where ID = p_itemid;

  -- return Balance fetched
  sys.htp.p(p_balance);
End;

and the call to this function

function f_fetch_balance(pThis) {
  var row_id  = pThis.id.substr(4);
  apex.server.process ( "Get_item_balance", {
      x04: $(pThis).val()
  }, { success: function( pData ) { $('#f06_'+row_id).val(pData); }
  });
}

Status = has worked successfully when process turn it back on.

2 -process name: Get_item_name

Declare
  p_itemid  number ;
  p_name  varchar2(200) ;
  Begin
      p_itemid  := apex_application.g_x04;

      select ITEM_NAME into p_name
        from T_ITEMS
      where ID = p_itemid;

  -- return Item_name fetched
  sys.htp.p(p_name);
End;

and the call to this function

function f_fetch_itemname(pThis) {
  var row_id  = pThis.id.substr(4);
  apex.server.process ( "Get_item_name", {
      x04: $(pThis).val()
  }, { success: function( pData ) { $('#f05_'+row_id).val(pData); }
  });
}

Status = Not worked and show the error (error: parsererror - SyntaxError: JSON.parse: unexpected character in column 1 of line 1 of the JSON data)

Please help me... Why the process did not work... ?

Thank you...

Jitendra

Hi Amr Abdeen,

AMR Abdeen wrote:

Please help me... Why the process did not work... ?

You don't have to write separate multiple process of Ajax and JavaScript function to retrieve multiple values for the same line.

build the JSON string in the summary for the Ajax treatment without 14,15.16.17 line

I am combining your two Ajax in a single process of Ajax and also combining your JavaScript as well.

I have also changed the name of function of process of Ajax and JavaScript, please check this as well.

Check this example

Step 1: Your Ajax process should be like this

Declare
  p_itemid  number ;
  p_name  varchar2(200) ;
  p_balance  number ;
  l_json_str varchar2(4000) := null;
  Begin
      p_itemid  := apex_application.g_x01;

      select ITEM_NAME,NET into p_name, p_balance
        from V_ITEMS_BAL
    where ID = p_itemid;

-- build a JSON string to return
  l_json_str  := '{
                  "NAME": "'||p_name||'",
                  "BALANCE": "'||p_balance ||'"
              }';

sys.htp.p(l_json_str);
End;

Step 2: Your Javascript function should be like this

See here the line not 6 to 10, how json parsing and assign them to the columns

function f_fetch_details(pThis) {
  var empDtlsJSON;
  var row_id  = pThis.id.substr(4);
  apex.server.process ( "Get_item_dtls", {
      x01: $(pThis).val()
  }, { type: "GET", dataType: "json", success: function( json ) {
      var name = json.NAME;
      var balance = json.BALANCE;
      $('#f05_'+row_id).val(name);
      $('#f06_'+row_id).val(balance);}

});
}

Step 3: call the function javascript in your column of lov popup as explained above

Go to the attributes report-> edit your column of lov popup-> column-> Attrbiutes element attributes-> put the code below

    onchange="javascript:f_fetch_details(this);"

Hope this helps you,

Kind regards

Jitendra

Tags: Database

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