21 lines
578 B
C#
21 lines
578 B
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
using System.Windows.Controls;
|
|
|
|
namespace MetroGauges.General
|
|
{
|
|
public class NotEmptyValidationRule : ValidationRule
|
|
{
|
|
public override ValidationResult Validate(object value, CultureInfo cultureInfo)
|
|
{
|
|
return string.IsNullOrWhiteSpace((value ?? "").ToString())
|
|
? new ValidationResult(false, "此项不能为空")
|
|
: ValidationResult.ValidResult;
|
|
}
|
|
}
|
|
}
|