public static FrmQuery Create(DAL db)
{
if (db == null) throw new ArgumentNullException("db");
FrmQuery frm = new FrmQuery();
frm.Dal = db;
return frm;
}
private void sQL查询器QToolStripMenuItem_Click(Object sender, EventArgs e)
{
var connName = "" + cbConn.SelectedValue;
if (String.IsNullOrEmpty(connName))
{
return;
}
FrmQuery.Create(DAL.Create(connName)).Show();
}
public static FrmQuery Create(DAL db)
{
if (db == null)
{
throw new ArgumentNullException("db");
}
FrmQuery frm = new FrmQuery();
frm.Dal = db;
return(frm);
}
