System.Activities System.Activities.Statements System.Activities.Expressions System.Activities.Validation System.Activities.XamlIntegration Microsoft.VisualBasic Microsoft.VisualBasic.Activities System System.Collections System.Collections.Generic System.Data System.Diagnostics System.Drawing System.IO System.Linq System.Net.Mail System.Xml System.Xml.Linq UiPath.Core UiPath.Core.Activities System.Windows.Markup System.Reflection System.Runtime.InteropServices System.Activities.DynamicUpdate System.ComponentModel UiPath.UIAutomationNext.Enums System.Collections.ObjectModel System.Runtime.Serialization System.Xml.Serialization UiPath.Excel.Activities UiPath.Excel UiPath.CV UiPath.Shared.ObjectLibrary UiPath.CV.Activities UiPath.CV.Activities.Interfaces System.Activities Microsoft.VisualBasic mscorlib System.Data System.Data.DataSetExtensions System System.Drawing System.Core System.Xml System.Xml.Linq PresentationFramework WindowsBase PresentationCore System.Xaml UiPath.System.Activities UiPath.UiAutomation.Activities System.Reflection.Metadata System.Memory UiPath.UIAutomationNext UiPath.Excel.Activities UiPath.CV UiPath.UIAutomationCore UiPath.CV.Activities True [dtOutput] [dtInput.Clone] [dtOutput] [(From row In dtInput.asenumerable Group row By k = row("ColumnA").tostring Into grp = Group Let ra = New Object() {grp(0)("ColumnA"),grp.Count} Select dtOutput.rows.add(ra)).copytodatatable]