public void connection()
{
con = new SqlConnection("Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=practice;Data Source=HOME-78F3176757");
con.Open();
}
public DataSet filldata(string mystring)
{
connection();
adp = new SqlDataAdapter(mystring, con);
ds = new DataSet();
adp.Fill(ds);
return ds;
}
