HuNan_DM_MultiBatch/DM_Weight/Validation/NotEmptyValidationRule.cs

21 lines
579 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 DM_Weight.Validation
{
public class NotEmptyValidationRule : ValidationRule
{
public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
return string.IsNullOrWhiteSpace((value ?? "").ToString())
? new ValidationResult(false, "字段不能为空")
: ValidationResult.ValidResult;
}
}
}