How to filter datatable with condition where int ID is null

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C#

I have gridview:

GridViewName.DataSource = table;

table values:

string myConnection = ConfigurationManager.ConnectionStrings["vizitka"].ToString();
string Query_sel = MySqlString;
MySqlConnection conDataBase = new MySqlConnection(myConnection);
MySqlCommand cmdDataBase_sel = new MySqlCommand(Query_sel, conDataBase);
  try
  {
     MySqlDataAdapter sda = new MySqlDataAdapter();
     sda.SelectCommand = cmdDataBase_sel;
     DataTable dbdataset = new DataTable();
     sda.Fill(dbdataset);
     BindingSource bSource = new BindingSource();
     bSource.DataSource = dbdataset;
     TableName.DataSource = bSource;
     sda.Update(dbdataset);
   }
     catch (Exception ex)
     {
        MessageBox.Show(ex.Message);
     }

I'm getting Values:
https://i.stack.imgur.com/G561j.jpg[^]

then, I'm adding new row to table:

DataRow newRow = table.NewRow();
table.Rows.Add(newRow);

and getting values with empty cells (also ID is empty and it's good for me):
https://i.stack.imgur.com/quGck.jpg>[^]
then:

GridViewName.DataSource = table;

all is good, but then if I want to delete from table this new created row, I cannot. I'm trying to filter and bind again GridViewName.

What I have tried:

DataView view = new DataView(table);
view.RowFilter = "CONVERT(id, System.String) = null or CONVERT(id, System.String) = ''";
Console.WriteLine(view);

but I'm getting empty table. why?????