Datagrid binding in WPF

Question

I know this has been asked already but I have done almost everything what is suggested by developers    lt DataGrid x Name  Imported  VerticalAlignment  Top  DataContext   Binding Source list    AutoGenerateColumns  False  CanUserResizeColumns  True  gt       lt DataGrid Columns gt                           lt DataGridTextColumn Header  ID  Binding   Binding Path ID    gt           lt DataGridTextColumn Header  Date  Binding   Binding Path Date    gt       lt  DataGrid Columns gt   lt  DataGrid gt    I am trying to show this in modal dialog box and populating the license list in the constructor of the modal dialog box  But still nothing is getting populated inside the datagrid   Constructor code   public diagboxclass         List lt object gt  list   new List lt object gt         list   GetObjectList       public class object       string id      DateTime date      public string ID               get   return id            set   id   value              public DateTime Date               get   return date            set   date   value              Do you guys think something to do with the object list

User · Answer

Without seeing said object list  I believe you should be binding to the DataGrid s ItemsSource property  not its DataContext    lt DataGrid x Name  Imported  VerticalAlignment  Top  ItemsSource   Binding Source list    AutoGenerateColumns  False  CanUserResizeColumns  True  gt       lt DataGrid Columns gt                           lt DataGridTextColumn Header  ID  Binding   Binding ID    gt           lt DataGridTextColumn Header  Date  Binding   Binding Date    gt      lt  DataGrid Columns gt   lt  DataGrid gt     This assumes that the element  UserControl  etc   that contains the DataGrid has its DataContext bound to an object that contains the list collection  The DataGrid is derived from ItemsControl  which relies on its ItemsSource property to define the collection it binds its rows to  Hence  if list isn t a property of an object bound to your control s DataContext  you might need to set both DataContext  Binding list  and ItemsSource  Binding list  on the DataGrid

User · Answer

try to do this in the behind code     public diagboxclass                 List lt object gt  list   new List lt object gt              list   GetObjectList             Imported ItemsSource   null           Imported ItemsSource   list         Also be sure your list is effectively populated and as mentioned by Blindmeis  never use words that already are given a function in c

User · Answer

PLEASE do not use object as a class name   public class MyObject   better to choose an appropriate name       string id      DateTime date      public string ID              get   return id           set   id   value              public DateTime Date              get   return date           set   date   value              You should implement INotifyPropertyChanged for this class and of course call it on the Property setter  Otherwise changes are not reflected in your ui   Your Viewmodel class  dialogbox class should have a Property of your MyObject list  ObservableCollection lt MyObject gt  is the way to go   public ObservableCollection lt MyObject gt  MyList        get         set        In your xaml you should set the Itemssource to your collection of MyObject   the Datacontext have to be your dialogbox class     lt DataGrid ItemsSource   Binding Source MyList    AutoGenerateColumns  False  gt      lt DataGrid Columns gt                        lt DataGridTextColumn Header  ID  Binding   Binding ID    gt        lt DataGridTextColumn Header  Date  Binding   Binding Date    gt      lt  DataGrid Columns gt   lt  DataGrid gt

[c#] Datagrid binding in WPF

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