Merge pull request #4261 from Syncfusion-Content/hotfix/hotfix-v29.2.4

DOCINFRA-2341_merged_using_automation

Author: SyncfusionBuild

ej2-asp-core-mvc/code-snippet/gantt/pdf-export/showhidecolumns/razor

@@ -1,6 +1,6 @@
 @(Html.EJS().Gantt("GanttContainer").DataSource((IEnumerable<object>
     )ViewBag.DataSource).AllowPdfExport(true).TaskFields(ts => ts.Id(
-    "TaskId").Name("TaskName").StartDate("StartDate").Duration("Duration").Progress("Progress").Child("SubTasks")).Columns(col =>
+    "TaskId").Name("TaskName").StartDate("StartDate").Duration("Duration").Progress("Progress").ParentID("ParentId")).Columns(col =>
     {
         col.Field("TaskId").Width(100).HeaderText("Task Id").Add();
         col.Field("TaskName").HeaderText("Task Name").Width(150).Add();

ej2-asp-core-mvc/code-snippet/gantt/pdf-export/showhidecolumns/tagHelper

@@ -1,6 +1,6 @@
 <ejs-gantt id='GanttContainer' dataSource="ViewBag.DataSource" toolbar="@(new List<string>() { "PdfExport" })"
            toolbarClick="toolbarClick" beforePdfExport="beforePdfExport" allowPdfExport="true">
-    <e-gantt-taskfields id="TaskId" name="TaskName" startDate="StartDate" duration="Duration" progress="Progress" child="SubTasks">
+    <e-gantt-taskfields id="TaskId" name="TaskName" startDate="StartDate" duration="Duration" progress="Progress" parentID="ParentId">
     </e-gantt-taskfields>
     <e-gantt-columns>
         <e-gantt-column field="TaskId" headerText="Task ID" width="150" textAlign="Left"></e-gantt-column>
@@ -15,7 +15,7 @@
         var gantt = document.getElementById("GanttContainer").ej2_instances[0];
         if (args.item.id === 'GanttContainer_pdfexport') {
             gantt.pdfExport();
-            }
+        }
     }
     function beforePdfExport(args) {
         var obj = (document.getElementById('GanttContainer')).ej2_instances[0]