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28 lines
885 B
28 lines
885 B
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 BindingValidationRuleSample.Validation
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{
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public class AgeRangeException : ValidationRule
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{
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public int MinAge { get; set; } = 0;
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public int MaxAge { get; set; } = 150;
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public override ValidationResult Validate(object value, CultureInfo cultureInfo)
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{
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int age = 0;
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if (!int.TryParse(value.ToString(), out age))
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return new ValidationResult(false, "Wrong value.");
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if (age >= this.MinAge && age <= this.MaxAge)
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return new ValidationResult(true, null);
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else
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return new ValidationResult(false, $"Valid age range is {this.MinAge}~{this.MaxAge}");
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}
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}
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}
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