public static string ToDisplay <T, TProp>(Expression <Func <T, TProp> > propertyExpression, DisplayProperty property = DisplayProperty.Name)
{
var propInfo = propertyExpression.GetPropInfo();
var attr = propInfo.GetAttribute <DisplayNameAttribute>(false);
return(attr.GetType().GetProperty(property.ToString()).GetValue(attr, null) as string ?? propInfo.Name);
}
public static string EnumToDisplayName(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
var attribute = value.GetType().GetField(value.ToString())
.GetCustomAttributes <DisplayAttribute>(false).FirstOrDefault();
if (attribute == null)
{
return(value.ToString());
}
var propValue = attribute.GetType().GetProperty(property.ToString()).GetValue(attribute, null);
return(propValue.ToString());
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
if (Assert.NotNull <Enum>(value))
{
object attribute = value.GetType().GetField(value.ToString()).GetCustomAttributes(false).FirstOrDefault();
//CustomAttributeData customAttributeData = value.GetType().GetField(value.ToString()).CustomAttributes.FirstOrDefault(c => c.AttributeType == typeof(DisplayAttribute));
if (Assert.NotNull <object>(attribute))
{
object propVal = attribute.GetType().GetProperty(property.ToString()).GetValue(attribute);
//return customAttributeData.NamedArguments.FirstOrDefault(a => a.MemberName == property.ToString()).TypedValue.Value.ToString();
return(propVal.ToString());
}
}
return(value.ToString());
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
Assert.NotNull(value, nameof(value));
List <string> Messages = new List <string>();
var attribute = value.GetType().GetField(value.ToString())
.GetCustomAttributes <DisplayAttribute>(false).FirstOrDefault();
if (attribute == null)
{
return(null);
}
return(attribute.GetType().GetProperty(property.ToString()).GetValue(attribute, null).ToString());
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
Assert.NotNull(value, nameof(value));
var attribute = value.GetType().GetField(value.ToString())
.GetCustomAttributes(false).FirstOrDefault();
if (attribute == null)
{
return(value.ToString());
}
var propValue = attribute.GetType().GetProperty(property.ToString()).GetValue(attribute, null);
return(propValue.ToString());
}
public static string ToDisplay(this Enum value, DisplayProperty property = DisplayProperty.Name)
{
if (value == null)
{
return(null);
}
var attributes =
(DisplayAttribute[])
value.GetType().GetField(value.ToString()).GetCustomAttributes(typeof(DisplayAttribute), false);
if (attributes.Length > 0)
{
var attr = attributes[0];
var propValue = attr.GetType().GetProperty(property.ToString()).GetValue(attr, null);
return(propValue as string);
}
return(value.ToString());
}
/// <summary>
/// Gets the display name.
/// </summary>
/// <typeparam name="TModel">The type of the model.</typeparam>
/// <typeparam name="TField">The type of the field.</typeparam>
/// <param name="selector">The selector.</param>
/// <param name="involveAlnnotation">if set to <c>true</c> [involve alnnotation].</param>
/// <param name="displayProperty">The display property.</param>
/// <returns></returns>
public static string GetDisplayName <TModel, TField>
(Expression <Func <TModel, TField> > selector, bool involveAlnnotation = false,
DisplayProperty displayProperty = DisplayProperty.Name)
{
try
{
System.Linq.Expressions.Expression body = selector;
if (body is LambdaExpression)
{
body = ((LambdaExpression)body).Body;
}
if (body.NodeType == ExpressionType.MemberAccess)
{
PropertyInfo propInfo = (PropertyInfo)((MemberExpression)body).Member;
if (involveAlnnotation)
{
DisplayAttribute attribute = propInfo.GetCustomAttributes(typeof(DisplayAttribute), true)
.Select(prop => (DisplayAttribute)prop).FirstOrDefault();
if (attribute != null)
{
return(attribute.GetType().GetProperty(displayProperty.ToString())
.GetValue(attribute, null).ToString());
}
else
{
return(propInfo.Name);
}
}
return(propInfo.Name);
}
}
catch (Exception ex)
{
ex.ExceptionValueTracker(selector, involveAlnnotation);
}
return(string.Empty);
}
