整数验证

//Add a List validation to the C column
var val3 = worksheet.DataValidations.AddIntegerValidation("E:E");
//For Integer Validation, you have to set error message to true
val3.ShowErrorMessage = true;
val3.Error = "The value must be an integer between 0 and 10";
//Minimum allowed Value
val3.Formula.Value = 0;
//Maximum allowed Value
val3.Formula2.Value = 10;
//If the cells are not filled, allow blanks or fill with a valid value, 
//otherwise it could generate a error when saving 
val3.AllowBlank = true;