Pre and Post Event Handlers in AX7 (Dynamics 365 for Operations)


Pre and Post Event Handlers in AX7 (Dynamics 365 for Operations)

 on   September 29, 2016   


 Ref
http://dynamicsaxaptablog.blogspot.ae/2016/03/event-handlers-and-prepost-methods-ax7.html
 https://devserra.wordpress.com/tag/ax7/
 https://stoneridgesoftware.com/event-handler-methods-in-ax7/
 i.e.
 Set Default Value in Custom Check box
 In Table Datasource Events --> right click on Init Value--> Copy Post Event Handlers
 Create new Class and below code
Table Method Event Handler
 class test_PurchTableEventHanlders
 {
     /// <summary>
     ///
     /// </summary>
     /// <param name="args"></param>
     [PostHandlerFor(tableStr(PurchTable), tableMethodStr(PurchTable, initValue))]
     public static void PurchTable_Post_initValue(XppPrePostArgs args)
     {
         PurchTable purchTable = args.getThis() as PurchTable;
         purchTable.test_PrintNote=NoYes::Yes;
     }
 }
 Form Event Handler - CustTableFormEventHandler
 class CustTableFormEventHandler
 {
     [FormDataSourceEventHandler(formDataSourceStr(CustTable, CustTable), FormDataSourceEventType::Activated)]
     public static void CustTable_OnActivated(FormDataSource sender, FormDataSourceEventArgs e)
     {
         CustTable           custTable     = sender.cursor();
         FormDataSource      custTable_ds  = sender.formRun().dataSource("CustTable");
         FormRun             element       = sender.formRun();
         FormControl         myNewButton   = element.design(0).controlName("MyNewButton");
         myNewButton.enabled(false);
     }
 }

Table Events Event Handler
 /// <summary>
     ///
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
     [DataEventHandler(tableStr(CustInvoiceTrans), DataEventType::Inserted)]
     public static void CustInvoiceTrans_onInserted(Common sender, DataEventArgs e)
     {
         ValidateEventArgs   event       = e as ValidateEventArgs;
         CustInvoiceTrans custInvoiceTrans=sender as CustInvoiceTrans;
         SalesTable salesTable=SalesTable::find(custInvoiceTrans.salesid);
         if(salesTable.SalesStatus==SalesStatus::Invoiced )
             {
        
          //code
             }
     }
Table Method's Post Event Handler (Table - SalesTable, method - updateBackStatus)
  /// <summary>
     ///
     /// </summary>
     /// <param name="args"></param>
     [PostHandlerFor(tableStr(SalesTable), tableMethodStr(SalesTable, updateBackStatus))]
     public static void SalesTable_Post_updateBackStatus(XppPrePostArgs args)
     {
         SalesTable salesTable=args.getThis();
  
         SalesTable salesTable=SalesTable::find(custInvoiceTrans.salesid);
         if(salesTable.SalesStatus==SalesStatus::Invoiced )
            {
                       //code
                 }
     }
Form Control Event Handlers
 https://stoneridgesoftware.com/event-handler-methods-in-ax7/
 // <summary>
     ///
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
     [FormControlEventHandler(formControlStr(SalesEditLines, OK), FormControlEventType::Clicked)]
     public static void OK_OnClicked(FormControl sender, FormControlEventArgs e)
     {
    
         FormCommandButtonControl  callerButton = sender as FormCommandButtonControl;  //Retrieves the button that we're reacting to
         FormRun form = callerButton.formRun(); //Gets the running SalesEditLines form
         //Get the salesId that was selected in the SalesEditLines form
         FormDataSource salesParmTable_ds = form.dataSource(formDataSourceStr(SalesEditLines, SalesParmTable)) as FormDataSource;
         SalesParmTable salesParmTable = salesParmTable_ds.cursor();
      
         SalesTable salesTable=salesParmTable.salesTable();
         if(salesTable.SalesStatus==SalesStatus::Invoiced)
         {
          //code
         }
     }
OnModified Event for String Control in Sales Table Form
 /// <summary>
     ///
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
     [FormControlEventHandler(formControlStr(SalesTable, Reason), FormControlEventType::Modified)]
     public static void Reason_OnModified(FormControl sender, FormControlEventArgs e)
     {
 //Retrieves the string control that we're reacting to
         FormStringControl   str_Reason = sender as FormStringControl ;
         FormRun form = strReason.formRun();
 OR
 //Retrieves the string control that we're reacting to
         // FormControl Reason = element.design(0).controlName("Reason");
      
         //Get the salesId that was selected in the SalesEditLines form
         FormDataSource salesLine_ds = form.dataSource(formDataSourceStr(SalesTable, SalesLine)) as FormDataSource;
         SalesLine  salesline = salesLine_ds.cursor();
                
 // do your logic
     }
Form Events Event Handler
Form SalesEditLines --> Events -->OnClosing
     /// <summary>
     ///
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
     [FormEventHandler(formStr(SalesEditLines), FormEventType::Closing)]
     public static void SalesEditLines_OnClosing(xFormRun sender, FormEventArgs e)
     {
  
             //Retrieves the button that we're reacting to
         FormDataSource salesParmTable_ds= sender.dataSource("SalesParmTable"); //Gets the running SalesEditLines form
         //Get the salesId that was selected in the SalesEditLines form
         SalesParmTable salesParmTable = salesParmTable_ds.cursor();

         SalesTable salesTable=salesParmTable.salesTable();
             SalesId salesid=salesTable.SalesId;
             if(salesTable.SalesStatus==SalesStatus::Invoiced )
             {
 //Any Code
             }
     }


Enable and Disable Form Control in Form Init Method in Form Extension Class based on Purch Parameters
 [ExtensionOf(formStr(PurchTable))]
 public final class S_PurchTableForm_Extension
 {
  
     /// <summary>
     ///
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
     [FormEventHandler(formStr(PurchTable), FormEventType::Initialized)]
     public static void PurchTable_OnInitialized(xFormRun sender, FormEventArgs e)
     {
         FormRun element = sender;
         FormControl S_SubPriceFieldsGrid = element.design(0).controlName("S_SubPriceFieldsGrid");
         S_SubPriceFieldsGrid.visible(PurchParameters::find().S_PriceFields); //
      
     }
 }
Enable ReceiptDateRequested and ShippingDateRequested based on Sales Origin Id in Sales Header
 If Sales Origin ID is EDI Then disable above both fields
 Sales Table Form --> Events --> OnActivated
  ////</summary>
      ////<param name="sender"></param>
      ////<param name="e"></param>
     [FormDataSourceEventHandler(formDataSourceStr(SalesTable, SalesTable), FormDataSourceEventType::Activated)]
     public static void SalesTable_OnActivated(FormDataSource sender, FormDataSourceEventArgs e)
     {
         boolean     allowEdit = true;
      
         SalesTable           SalesTable     = sender.cursor();
         FormDataSource      salesTable_ds  = sender.formRun().dataSource("SalesTable");
         FormRun             element       = sender.formRun();
         FormControl         ReceiptDateRequested   = element.design(0).controlName("Delivery_ReceiptDateRequested");
         FormControl         ShippingDateRequested   = element.design(0).controlName("Delivery_ShippingDateRequested");
         FormControl         SalesOriginId   = element.design(0).controlName("Administration_SalesOriginId");
         if (SalesTable.SalesOriginId == "EDI")
         allowEdit = false;
         ShippingDateRequested.enabled(allowEdit);
         ReceiptDateRequested.enabled(allowEdit);
         SalesOriginId.enabled(allowEdit);
     }

 Enable and Disable based on Sales Id Field value modifications.
 Sales Table Form --> Data Sources --> Sales Table --> SalesOriginId --> Events --> OnModified
    ////<summary>
      ////</summary>
      ////<param name="sender"></param>
      ////<param name="e"></param>
     [FormDataFieldEventHandler(formDataFieldStr(SalesTable, SalesTable, SalesOriginId), FormDataFieldEventType::Modified)]
     public static void SalesOriginId_OnModified(FormDataObject sender, FormDataFieldEventArgs e)
     {
         boolean     allowEdit = true;
      
         FormDataSource      salesTable_ds  = sender.dataSource();
         SalesOriginId salesOriginId = sender.getValue(0);
    
         if (salesOriginId == "EDI")
         allowEdit = false;
         salesTable_ds.object(fieldNum(SalesTable, ReceiptDateRequested)).allowEdit(allowEdit);
         salesTable_ds.object(fieldNum(SalesTable, ShippingDateRequested)).allowEdit(allowEdit);
         sender.allowEdit(allowEdit);
    
     }

Reference

 Post Event handler for Table CustInvoiceTrans and its method InitFromSalesLine

  /// <summary>
     ///
     /// </summary>
     /// <param name="args"></param>
     [PostHandlerFor(tableStr(CustInvoiceTrans), tableMethodStr(CustInvoiceTrans, initFromSalesLine))]
     public static void CustInvoiceTrans_Post_initFromSalesLine(XppPrePostArgs args)
     {
         CustInvoiceTrans        custInvoiceTrans    = args.getThis();
         SalesLine               salesLine           = args.getArg('salesLine');
         SalesParmLine _salesParmLine=  args.getArg('_salesParmLine');
      
       // Qty Calculation while creating Invoice
         custInvoiceTrans.Custommethodcalculate( _salesParmLine.DeliverNow );
           }

 Getting Custom field value from Warehouse to PO Header when creating New PO.
POST Event Handler for PurchTable OnModifiedField Event.
   ////<summary>
      ////</summary>
      ////<param name="sender"></param>
      ////<param name="e"></param>
     [DataEventHandler(tableStr(PurchTable), DataEventType::ModifiedField)]
     public static void PurchTable_onModifiedField(Common sender, DataEventArgs e)
     {
         ModifyFieldEventArgs event          = e as  DataEventArgs;
         PurchTable           purchTable     = sender as PurchTable;
         FieldId              fieldid        = event.parmFieldId();
         switch(fieldid)
         {
             case fieldNum(PurchTable, InventLocationId):
          
                purchTable.aaId =  InventLocation::find(purchTable.InventLocationId).aacId;
                 break;
         }
     }

Cost Price Validation while posting stock journals.
  [PostHandlerFor(tableStr(InventJournalTrans), tableMethodStr(InventJournalTrans, checkAmount))]
     public static void InventJournalTrans_Post_checkAmount(XppPrePostArgs args)
     {
         boolean ret = args.getReturnValue();
         InventJournalTrans  inventJournalTrans = args.getThis() as InventJournalTrans;
         if (InventJournalName::find(inventJournalTrans.Qty > 0 && inventJournalTrans.CostPrice == 0)
         {
             ret = checkFailed(strFmt("Cost Price is 0 for Line %1",inventJournalTrans.LineNum));
         }
         args.setReturnValue(ret);
     }
Form Sales Update Remain --> CloseOK Post Button
 [PostHandlerFor(formStr(SalesUpdateRemain), formMethodStr(SalesUpdateRemain, closeOk))]
    public static void SalesUpdateRemain_Post_closeOk(XppPrePostArgs args)
    {
        FormRun element = args.getThis();
        FormRun callerForm = element.args().caller();
        FormDataSource formDataSource = element.ObjectSet();
        SalesLine salesLine;
        FormRealControl   remainInventPhysical = element.design(0).controlName("RemainInventPhysical");
         if (callerForm && element.args().caller().name() == formStr(SalesTable))
        {
            salesLine = callerForm.dataSource(2).cursor() as SalesLine;
            //do your logic
        }

    }


Add new value for custom field in sales line via Sales Order Lines Data Entity (Pre Insert Entity )


 [PreHandlerFor(tableStr(SalesOrderLineEntity), tableMethodStr(SalesOrderLineEntity, insertEntityDataSource))]
    public static void SalesOrderLineEntity_Pre_insertEntityDataSource(XppPrePostArgs args)
    {
        DataEntityDataSourceRuntimeContext dataSourceCtx=args.getArgNum(2);
           
        switch (dataSourceCtx.name())
        {
            case dataEntityDataSourceStr(SalesOrderLineEntity, SalesLine):
                SalesLine salesLine = dataSourceCtx.getBuffer();
                salesLine.R_RefrigerationType  =  InventTable::find(salesLine.ItemId).R_RefrigerationType;
             
                break;
        }
    }
 Validate Field
[PostHandlerFor(tableStr(VendTable), tableMethodStr(VendTable, validateField))]
    public static void VendTable_Post_validateField(XppPrePostArgs _args)
    {
        VendTable   vendTable   = _args.getThis();
        boolean     returnValue = _args.getReturnValue();
         _args.setReturnValue(vendTable.S_validateField(_args.getArg('p1')) && returnValue);
    }
  /// <param name="_fieldId">
    /// Field identifier
    /// </param>
    /// <returns>
    /// True if field validation is ok otherwise false
    /// </returns>
    public boolean S_validateField(FieldId _fieldId)
    {
        switch(_fieldId)
        {
         
            case fieldNum(VendTable, S_IsM):
            if (!this.S_IsManufacturer)
                {
                    return this.S_validateFieldM();
                }
                break;
        }
         return true;
    }
   // external item check
    private boolean S_validateFieldM()
    {
        boolean                     ret = true;
        S_VendExternalItem       vendExternalItem;
        CustVendExternalItem        custVendExternalItem;
         select firstOnly vendExternalItem
        where   vendExternalItem.VendAccount    == this.AccountNum;
         if (vendExternalItem)
        {
            select custVendExternalItem where custVendExternalItem.RecId == vendExternalItem.RefRecId;
             ret = checkFailed(strFmt("test", vendExternalItem.VendAccount, custVendExternalItem.ItemId));
        }
         return ret;
    }
 Pre Event Handler
 [PreHandlerFor(tableStr(PurchLineHistory), tableMethodStr(PurchLineHistory, update))]
    public static void PurchLineHistory_Pre_update(XppPrePostArgs args)
    {
        PurchLine _purchline;
        PurchLineHistory _purchLineHistory= args.getThis();
         //select   _purchline where _purchline.InventRefId ==_purchLineHistory.InventRefId
        //     && _purchline.ItemId ==_purchLineHistory.ItemId ;
         //_purchline =PurchLine::findInventTransId(_purchLineHistory.InventRefId);
         _purchline=PurchLine::find(_purchLineHistory.PurchId,_purchLineHistory.LineNumber );
            _purchLineHistory.PriceDiscTableRefRecId =_purchline.PriceDiscTableRefRecId;
    

    }
 FormDataSourceEventHandler
  /// <summary>
    ///
    /// </summary>
    /// <param name="sender"></param>
    ///// <param name="e"></param>
    [FormDataSourceEventHandler(formDataSourceStr(EcoResProductDetailsExtended, BUSInventTable), FormDataSourceEventType::Creating)]
    public static void  BUSInventTable_OnCreating(FormDataSource sender, FormDataSourceEventArgs e)
    {
     
        FormRun             element1       = sender.formRun();
        element1.numberSeqFormHandler().formMethodDataSourceCreatePre();
    }
     /// <summary>
    ///
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    [FormDataSourceEventHandler(formDataSourceStr(EcoResProductDetailsExtended, BUSInventTable), FormDataSourceEventType::Created)]
    public static void BUSInventTable_OnCreated(FormDataSource sender, FormDataSourceEventArgs e)
    {
        FormRun             element1       = sender.formRun();
        element1.numberSeqFormHandler().formMethodDataSourceCreate();
    }
     /// <summary>
    ///
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    [FormDataSourceEventHandler(formDataSourceStr(EcoResProductDetailsExtended, BUSInventTable), FormDataSourceEventType::Deleting)]
    public static void BUSInventTable_OnDeleting(FormDataSource sender, FormDataSourceEventArgs e)
    {
        FormRun             element1       = sender.formRun();
        element1.numberSeqFormHandler().formMethodDataSourceDelete();
    }
     /// <summary>
    ///
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    [FormDataSourceEventHandler(formDataSourceStr(EcoResProductDetailsExtended, BUSInventTable), FormDataSourceEventType::Written)]
    public static void BUSInventTable_OnWritten(FormDataSource sender, FormDataSourceEventArgs e)
    {
        FormRun             element1       = sender.formRun();
        element1.numberSeqFormHandler().formMethodDataSourceWrite();
    }
     /// <summary>
    ///
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    [FormDataSourceEventHandler(formDataSourceStr(EcoResProductDetailsExtended, BUSInventTable), FormDataSourceEventType::ValidatingWrite)]
    public static void BUSInventTable_OnValidatingWrite(FormDataSource sender, FormDataSourceEventArgs e)
    {
        FormRun             element1       = sender.formRun();
     //   element1.numberSeqFormHandler().formMethodDataSourceWrite();
        boolean ret = true;
        ret = element1.numberSeqFormHandler().formMethodDataSourceValidateWrite();
    }

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