UiPath Data Manipulation and Variables Flashcards

Which UiPath data type is used to store tabular data with rows and columns, similar to a spreadsheet?

Answer: DataTable

DataTable is a .NET type that holds structured tabular data and is widely used for Excel, CSV, and database operations in UiPath.

What VB.NET expression converts the string '42' to an integer in UiPath?

Answer: All of the above

All three expressions — Int32.Parse, CInt, and Convert.ToInt32 — correctly parse a numeric string into an integer in VB.NET within UiPath.

How do you access the third element of a UiPath array variable named 'myArray'?

Answer: myArray(2)

In VB.NET syntax used by UiPath, arrays are zero-indexed and accessed with parentheses: myArray(2) returns the third element.

Which UiPath activity adds a new row to an existing DataTable variable?

Answer: Add Data Row

The 'Add Data Row' activity appends a new row to a DataTable, accepting either an array of values or a DataRow object.

What does the 'Build Data Table' activity in UiPath do?

Answer: Creates a new DataTable with defined columns and optionally adds rows

Build Data Table opens a wizard to define column names and data types, generating a new DataTable variable you can populate programmatically.

Which expression returns the number of rows in a DataTable variable named 'dt' in UiPath?

Answer: dt.Rows.Count

The .Rows.Count property on a DataTable returns the number of data rows currently in the table.