In Version 7.3 is okay. Version 7.4. writes a “0” in the cell
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
oWorksheet.GetRange("A2").SetValue("");
builder.SaveFile("xlsx", "GetRange.xlsx");
builder.CloseFile();
DocumentBuilder version: 7.4
Installation method: Installer Docbuilder 7.4
OS: Windows 10