📅  最后修改于: 2022-03-11 15:00:39.887000             🧑  作者: Mango
var options = new List{"Option1","Option2","Option3"};
var validOptions = $"\"{String.Join(",", options)}\"";
ws.Cell(1,1).DataValidation.List(validOptions, true);
//validOptions contains :
"Option1,Option2,Option3"`
//Your own code should change to :
.List("\"one,two,three\"", true);