问题
I have BindingList object which is attched with DataGridView.
BindingList<FilesToProcessDataModels> Listfiles = new BindingList<FilesToProcessDataModels>();
dataGridFiles.DataSource = Listfiles;
I want to filter items list by given condition in Where. like following:
dataGridSheets.DataSource = Listfiles.Where(i => i.Status == FileStatus.NotProcessed).ToList();
Above code is working fine but I want to assign filter resut to the same type object [Listfiles] instead datagrid,
When I am doing this:
Listfiles = Listfiles.Where(i => i.Status == FileStatus.NotProcessed).ToList();
it gives following erorr
[Cannot implicitly convert type 'System.Collections.Generic.List to BindingList']
How can I convert generic list to BindingList<FilesToProcessDataModels>?
回答1:
below is the standard way - tho google should show this up easily -even on SO:
Convert IList<T> to BindingList<T>
var listFiles= new List<FilesToProcessDataModels>();
var listBindingFiles = new BindingList<FilesToProcessDataModels>(listFiles);
回答2:
Like this:
var yourList = new List<FilesToProcessDataModels>();
var listBinding = new BindingList<FilesToProcessDataModels>(yourList);
回答3:
Listfiles = Listfiles.Where(i => i.Status == FileStatus.NotProcessed).ToList();
I think you had defined ListFiles as BindingList<> bit now you are trying to assign a List<> to it.
That is the cause of that error
来源：https://stackoverflow.com/questions/20398832/convert-generic-list-to-bindinglistt