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 UiPath.Excel System.Collections.ObjectModel UiPath.Excel.Activities System.Activities.DynamicUpdate System.ComponentModel System.Runtime.Serialization System.Xml.Serialization System.Reflection System.Runtime.InteropServices 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 UiPath.Excel.Activities.Design UiPath.Excel.Activities UiPath.Excel System.Runtime.Serialization True True [dtResult] [dtData.Clone] [Groups] [(From d In dtData Group d By k1=d("Name").toString.Trim, k2=d("Day").toString.Trim, k3=d("Type").toString.Trim Into grp=Group Select g = grp.ToList).toList] True True [totalSum] [grp.Sum(Function (x) CDbl(x("First Sum").toString.Trim))] [totalSum] [totalSum - CDbl(grp(midx - 1)("First Sum").toString.Trim)]