Grid problem

[itg-assistant]

Birol SARI asked 2016-05-24 13:57:00 UTC

When I click a column header for sorting application  and then aplication has a error.

Test project link :

http://www.huzursoft.com/TestGridProject.rar

[itg-assistant]

Luca answered 2016-05-24 16:34:23 UTC

Thank you for the sample.

The issue in the sample is that .ToList() converts the table to a list and .NET lists don't support column sorting. They have only one Sort() method which either uses the default comparer or requires a custom comparer.

In you sample you can simply assign the Table to the data source:

dataGridView1.DataSource = veri.customers; // instead of dataGridView1.DataSource = veri.customers.ToList();

In alternative, if you want to sort the list you need to implement a SortableBindingList: http://stackoverflow.com/questions/23661195/datagridview-using-sortablebindinglist

HTH

Best,

Luca