public string this[string PropertyName]
{
get
{
if (!this.IsEnabled)
return string.Empty;
//Inspired by WAFFramework's DataErrorInfoSupport
var ErrorMessages = new System.Text.StringBuilder();
var ValidationResults = new List<ValidationResult>();
if (string.IsNullOrEmpty(PropertyName))
Validator.TryValidateObject(this.Instance, new ValidationContext(this.Instance, null, null), ValidationResults);
else
{
var Property = this.Instance.GetType().GetProperty(PropertyName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
if (Property == null || !Property.CanRead)
throw new ArgumentException(PropertyName + " is not a valid property name.", PropertyName);
Validator.TryValidateProperty(Property.GetValue(this.Instance, null), new ValidationContext(this.Instance, null, null) { MemberName = PropertyName }, ValidationResults);
}
var ErrorMessage = new System.Text.StringBuilder();
foreach (var Result in ValidationResults)
ErrorMessage.AppendInNewLine(Result.ErrorMessage);
return ErrorMessage.ToString();
}
}
public string this[string PropertyName]
{
get
{
if (!this.IsEnabled)
{
return(string.Empty);
}
//Inspired by WAFFramework's DataErrorInfoSupport
var ErrorMessages = new System.Text.StringBuilder();
var ValidationResults = new List <ValidationResult>();
if (string.IsNullOrEmpty(PropertyName))
{
Validator.TryValidateObject(this.Instance, new ValidationContext(this.Instance, null, null), ValidationResults, true);
}
else
{
var Property = this.Instance.GetType().GetProperty(PropertyName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
if (Property == null || !Property.CanRead)
{
throw new ArgumentException(PropertyName + " is not a valid property name.", PropertyName);
}
Validator.TryValidateProperty(Property.GetValue(this.Instance, null), new ValidationContext(this.Instance, null, null)
{
MemberName = PropertyName
}, ValidationResults);
}
var ErrorMessage = new System.Text.StringBuilder();
foreach (var Result in ValidationResults)
{
ErrorMessage.AppendInNewLine(Result.ErrorMessage);
}
return(ErrorMessage.ToString());
}
}
