public frmStt()
{
InitializeComponent();
sto = Storage.getStorage();
string table = sto.stt_tb;
sql = new sqlfirst();
dt = new DataTable();
string cmd = "select * from " + table;
sql.datatable(cmd, ref dt);
dgvStt.DataSource = dt;
this.Height = dgvStt.Rows.Count * 30;
this.Width = dgvStt.Columns.Count * 150;
}