Looks up a value either from a one-row or one-column range or from an array. Provided for backwards compatibility.
| Name | Type | Description |
| arg1 | any | Is a value that LOOKUP searches for in Lookup_vector and can be a number, text, a logical value, or a name or reference to a value. |
| arg2 | ApiRange | Is a range that contains only one row or one column of text, numbers, or logical values, placed in ascending order. |
| arg3 | ApiRange | Is a range that contains only one row or column, the same size as Lookup_vector. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
var ids = ["ID", 1, 2, 3, 4, 5];
var clients = ["Client", "John Smith", "Ella Tompson", "Mary Shinoda", "Lily-Ann Bates", "Clara Ray"];
var phones = ["Phone number", "12054097166", "13343943678", "12568542099", "12057032298", "12052914781"];
for (var i = 0; i < ids.length; i++) {
oWorksheet.GetRange("A" + (i + 1)).SetValue(ids[i]);
}
for (var j = 0; j < clients.length; j++) {
oWorksheet.GetRange("B" + (j + 1)).SetValue(clients[j]);
}
for (var n = 0; n < phones.length; n++) {
oWorksheet.GetRange("C" + (n + 1)).SetValue(phones[n]);
}
oWorksheet.GetRange("E1").SetValue("Name");
oWorksheet.GetRange("E2").SetValue("Ella Tompson");
oWorksheet.GetRange("F1").SetValue("Phone number");
var oRange1 = oWorksheet.GetRange("B2:B5");
var oRange2 = oWorksheet.GetRange("C2:C5");
oWorksheet.GetRange("F2").SetValue(oFunction.LOOKUP("Ella Tompson", oRange1, oRange2));
builder.SaveFile("xlsx", "LOOKUP.xlsx");
builder.CloseFile();