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