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Eazfuscator. An error occurs when using the DataGridView control
IList<Users> myData = new List<Users>();

myData = HelperUsers.GetUsersList(); // return IList<Users>

BindingSource bsUsers = new BindingSource { DataSource = myData };
dataGridViewUsers.DataSource = bsUsers;

dataGridViewUsers.Columns["Name"].HeaderText = "Name";
dataGridViewUsers.Columns["LastName"].HeaderText = "Last name";

dataGridViewUsers.Invalidate();

dataGridViewUsers.Columns["Name"].HeaderText = "Name";

[System.Reflection.ObfuscationAttribute(Feature = "properties renaming")]
class MyOneThousandAndThirdClass {
    // ...
}

class MyOneThousandAndFourthClass {

    [System.Reflection.ObfuscationAttribute(Feature = "renaming")]
    public string DisplayName
    {
        get;
        set;
    }

}