Sometimes user forget to enter the fields which will be required when the process move forward just like salestaxinvoice In this Article I am showing you to how to Update Field in Grid through Button Click and our Scenario is to add REMITTANCE NUMBER ID in Vendor Details -Go to Vendor Detail and then click Transaction then go to Setup and Open VendTrans in AOT -Add Button through Designer -And then add Click method -And paste this code in Click Method void clicked() { VendTrans _ppt; str inv; int rec; dialog dlg; dialogField fldRemitanceNumber; dialogButton db; super(); dlg = new dialog("Update Remitance Number"); fldRemitanceNumber = dlg.addField( TypeID(BankRemittanceFileId), "Update Remitance Number :"); if (dlg.run()) { db = box::yesNo("Do you really want to update?",DialogButton::No,"Remitanc