Averages the values in a column in a list or database that match conditions you specify.
| Name | Type | Description |
| arg1 | ApiRange | Is the range of cells that makes up the list or database. A database is a list of related data. |
| arg2 | number | Is either the label of the column in double quotation marks or a number that represents the column's position in the list. |
| arg3 | string | Is the range of cells that contains the conditions you specify. The range includes a column label and one cell below the label for a condition. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue("Name");
oWorksheet.GetRange("B1").SetValue("Age");
oWorksheet.GetRange("C1").SetValue("Sales");
oWorksheet.GetRange("A2").SetValue("Alice");
oWorksheet.GetRange("B2").SetValue(20);
oWorksheet.GetRange("C2").SetValue(200);
oWorksheet.GetRange("A3").SetValue("Andrew");
oWorksheet.GetRange("B3").SetValue(21);
oWorksheet.GetRange("C3").SetValue(300);
oWorksheet.GetRange("E1").SetValue("Sales");
oWorksheet.GetRange("E2").SetValue(">200");
var oRange1 = oWorksheet.GetRange("A1:C3");
var oRange2 = oWorksheet.GetRange("E1:E2");
oWorksheet.GetRange("E4").SetValue(oFunction.DAVERAGE(oRange1, "Sales", oRange2));
builder.SaveFile("xlsx", "DAVERAGE.xlsx");
builder.CloseFile();