/// <summary>
/// Store values in local atribbutes and update DataGridView.
/// </summary>
private void RefreshUserList()
{
// Retrieve all users from .json File
users = sendRequest.RequestUsers();
// Set Name from users in ComboBox
foreach (Users user in users)
{
comboBoxUsersList.Items.Add(user.Name);
}
// Set 0 as default ComboBox selected value.
comboBoxUsersList.SelectedIndex = 0;
// Store current combobox index
currentComboBoxIndex = comboBoxUsersList.SelectedIndex;
// Send current combobox index and sum one to fill DataGridView with selected user ID.
RefreshDataGrid(currentComboBoxIndex + 1);
}