21 lines
579 B
C#
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;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|