public Form15(Form6 f6_)
{
InitializeComponent();
this._f6 = f6_;
connection.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\Company\Database1.mdb";
}
private void btn_Spare_user_Click(object sender, EventArgs e)
{
Form6 f6 = new Form6();
f6.ShowDialog();
}