/// <summary>
/// 料号模糊查询
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cbo_PN_TextUpdate(object sender, EventArgs e)
{
GetPN();
cbo_PN.Items.Clear();
cbo_PN.Items.Add(string.Empty);
var query_PN = (from PartNumber in lstPN where PartNumber.Contains(cbo_PN.Text.Trim().ToUpper()) select PartNumber).Distinct();
foreach (var item in query_PN)
{
cbo_PN.Items.Add(item.ToString());
}
this.cbo_PN.DroppedDown = true;
Cursor = Cursors.Default;
this.cbo_PN.SelectionStart = this.cbo_PN.Text.Length;
}