private void button1_Click(object sender, EventArgs e)//重载ComboBox
{
//CBB.Reload();//一般重载
CBB.Reset("select ContactName,CompanyName from Customers", "CompanyName", "ContactName");//更换SQL重载
}
private void button1_Click(object sender, EventArgs e)//重载ComboBox
{
//CBB.Reload();//一般重载
CBB.Reset("select ContactName,CompanyName from Customers", "CompanyName", "ContactName");//更换SQL重载
}