BindableBase.GetPropertyName<T>(Expression<Func<T>>) Method

Returns the name of a property identified by a lambda expression.

Namespace: DevExpress.Mvvm

Assembly: DevExpress.Mvvm.v21.2.dll

NuGet Packages: DevExpress.Mvvm, DevExpress.Uwp.Controls, DevExpress.Win.Design, DevExpress.WinUI

Declaration

C#

public static string GetPropertyName<T>(
    Expression<Func<T>> expression
)

VB.NET

Public Shared Function GetPropertyName(Of T)(
    expression As Expression(Of Func(Of T))
) As String

Parameters

Name	Type	Description
expression	Expression<Func<T>>	A lambda expression selecting the property.

Type Parameters

Name
T

Returns

Type	Description
String	The name of the property accessed by expression.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the GetPropertyName<T>(Expression<Func<T>>) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

wpf-data-editors-create-registration-form/CS/RegistrationForm.Lesson4/Common/ValidationRules.cs#L18

public static string GetErrorMessage<T>(Expression<Func<T>> expression, object fieldValue, object nullValue = null) {
    string fieldName = BindableBase.GetPropertyName(expression);
    return GetErrorMessage(fieldName, fieldValue, nullValue);

VB.NET

wpf-data-editors-create-registration-form/VB/RegistrationForm.Lesson4/Common/ValidationRules.vb#L20

Public Shared Function GetErrorMessage(Of T)(ByVal expression As Expression(Of Func(Of T)), ByVal fieldValue As Object, ByVal Optional nullValue As Object = Nothing) As String
    Dim fieldName As String = BindableBase.GetPropertyName(expression)
    Return GetErrorMessage(fieldName, fieldValue, nullValue)