System.ArgumentOutOfRangeException: InvalidArgument=Value of '0' is not valid for 'SelectedIndex'.
Parameter name: SelectedIndex
at System.Windows.Forms.ComboBox.set_SelectedIndex(Int32 value)
at BMT_TV.UserManager.resetUserForm() in C:\Users\Administrator\Documents\BMT\BMT_TV\BMT_TV\UserManager.cs:line 941
at BMT_TV.UserManager.button1_Click(Object sender, EventArgs e) in C:\Users\Administrator\Documents\BMT\BMT_TV\BMT_TV\UserManager.cs:line 415
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)