void ReloadData()
{
LBGroups.Reset("select GroupID,GroupName from LabelGroups where LocationID=" + INI.GetLocationID() + " order by GroupOrder", "GroupName", "GroupID");
try { FirstGroupID = ((DataRowView)LBGroups.Items[0])["GroupID"].ToString(); }
catch { FirstGroupID = "0"; }
LBLabels.Reset("select LabelName,Path from Labels where GroupID=" + FirstGroupID + " order by LabelOrder", "LabelName", "Path");
try { LBGroups.SelectedIndex = 0; }
catch { }
LBLabels.Focus();
}
private void button2_Click(object sender, EventArgs e)//重载ListBox
{
//LB.Reload();//一般重载
LB.Reset("select ContactName,CompanyName from Customers", "CompanyName", "ContactName");//更换SQL重载
}